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Implement references VarDebugInfo.

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This commit is contained in:
Camille GILLOT 2023-05-07 15:39:47 +00:00
parent 1c36f50b3e
commit 2ec0071913
20 changed files with 439 additions and 361 deletions
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52
compiler/rustc_codegen_ssa/src/mir/debuginfo.rs
View file

@ -41,6 +41,9 @@ pub struct PerLocalVarDebugInfo<'tcx, D> {
/// `.place.projection` from `mir::VarDebugInfo`.
pub projection: &'tcx ty::List<mir::PlaceElem<'tcx>>,
/// `references` from `mir::VarDebugInfo`.
pub references: u8,
}
#[derive(Clone, Copy, Debug)]
@ -293,6 +296,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
dbg_var,
fragment: None,
projection: ty::List::empty(),
references: 0,
})
}
} else {
@ -366,14 +370,15 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
&self,
bx: &mut Bx,
local: mir::Local,
base: PlaceRef<'tcx, Bx::Value>,
mut base: PlaceRef<'tcx, Bx::Value>,
var: PerLocalVarDebugInfo<'tcx, Bx::DIVariable>,
) {
let Some(dbg_var) = var.dbg_var else { return };
let Some(dbg_loc) = self.dbg_loc(var.source_info) else { return };
let DebugInfoOffset { direct_offset, indirect_offsets, result: _ } =
let DebugInfoOffset { mut direct_offset, indirect_offsets, result: _ } =
calculate_debuginfo_offset(bx, local, &var, base.layout);
let mut indirect_offsets = &indirect_offsets[..];
// When targeting MSVC, create extra allocas for arguments instead of pointing multiple
// dbg_var_addr() calls into the same alloca with offsets. MSVC uses CodeView records
@ -387,28 +392,44 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
// LLVM can handle simple things but anything more complex than just a direct
// offset or one indirect offset of 0 is too complex for it to generate CV records
// correctly.
&& (direct_offset != Size::ZERO || !matches!(&indirect_offsets[..], [Size::ZERO] | []));
if should_create_individual_allocas {
let DebugInfoOffset { direct_offset: _, indirect_offsets: _, result: place } =
calculate_debuginfo_offset(bx, local, &var, base);
&& (direct_offset != Size::ZERO || !matches!(indirect_offsets, [Size::ZERO] | []));
let create_alloca = |bx: &mut Bx, place: PlaceRef<'tcx, Bx::Value>, refcount| {
// Create a variable which will be a pointer to the actual value
let ptr_ty = bx
.tcx()
.mk_ptr(ty::TypeAndMut { mutbl: mir::Mutability::Mut, ty: place.layout.ty });
let ptr_layout = bx.layout_of(ptr_ty);
let alloca = PlaceRef::alloca(bx, ptr_layout);
bx.set_var_name(alloca.llval, &(var.name.to_string() + ".dbg.spill"));
bx.set_var_name(alloca.llval, &format!("{}.ref{}.dbg.spill", var.name, refcount));
// Write the pointer to the variable
bx.store(place.llval, alloca.llval, alloca.align);
// Point the debug info to `*alloca` for the current variable
bx.dbg_var_addr(dbg_var, dbg_loc, alloca.llval, Size::ZERO, &[Size::ZERO], None);
} else {
bx.dbg_var_addr(dbg_var, dbg_loc, base.llval, direct_offset, &indirect_offsets, None);
alloca
};
if var.references > 0 {
base = calculate_debuginfo_offset(bx, local, &var, base).result;
// Point the debug info to `&...&base == alloca` for the current variable
for refcount in 0..var.references {
base = create_alloca(bx, base, refcount);
}
direct_offset = Size::ZERO;
indirect_offsets = &[];
} else if should_create_individual_allocas {
let place = calculate_debuginfo_offset(bx, local, &var, base).result;
// Point the debug info to `*alloca` for the current variable
base = create_alloca(bx, place, 0);
direct_offset = Size::ZERO;
indirect_offsets = &[Size::ZERO];
}
bx.dbg_var_addr(dbg_var, dbg_loc, base.llval, direct_offset, indirect_offsets, None);
}
pub fn debug_introduce_locals(&self, bx: &mut Bx) {
@ -441,7 +462,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
};
let dbg_var = dbg_scope_and_span.map(|(dbg_scope, _, span)| {
let (var_ty, var_kind) = match var.value {
let (mut var_ty, var_kind) = match var.value {
mir::VarDebugInfoContents::Place(place) => {
let var_ty = self.monomorphized_place_ty(place.as_ref());
let var_kind = if let Some(arg_index) = var.argument_index
@ -478,6 +499,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
}
};
for _ in 0..var.references {
var_ty =
bx.tcx().mk_ptr(ty::TypeAndMut { mutbl: mir::Mutability::Mut, ty: var_ty });
}
self.cx.create_dbg_var(var.name, var_ty, dbg_scope, var_kind, span)
});
@ -489,6 +515,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
dbg_var,
fragment: None,
projection: place.projection,
references: var.references,
});
}
mir::VarDebugInfoContents::Const(c) => {
@ -542,6 +569,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
Some(fragment_start..fragment_start + fragment_layout.size)
},
projection: place.projection,
references: var.references,
});
}
}

10
compiler/rustc_const_eval/src/transform/validate.rs
View file

@ -448,7 +448,15 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> {
};
match debuginfo.value {
VarDebugInfoContents::Const(_) => {}
VarDebugInfoContents::Place(place) => check_place(place),
VarDebugInfoContents::Place(place) => {
check_place(place);
if debuginfo.references != 0 && place.projection.last() == Some(&PlaceElem::Deref) {
self.fail(
START_BLOCK.start_location(),
format!("debuginfo {:?}, has both ref and deref", debuginfo),
);
}
}
VarDebugInfoContents::Composite { ty, ref fragments } => {
for f in fragments {
check_place(f.contents);

38
compiler/rustc_middle/src/mir/mod.rs
View file

@ -1111,6 +1111,10 @@ pub struct VarDebugInfo<'tcx> {
/// originated from (starting from 1). Note, if MIR inlining is enabled, then this is the
/// argument number in the original function before it was inlined.
pub argument_index: Option<u16>,
/// The data represents `name` dereferenced `references` times,
/// and not the direct value.
pub references: u8,
}
///////////////////////////////////////////////////////////////////////////
@ -1639,18 +1643,7 @@ impl<'tcx> Place<'tcx> {
return self;
}
let mut v: Vec<PlaceElem<'tcx>>;
let new_projections = if self.projection.is_empty() {
more_projections
} else {
v = Vec::with_capacity(self.projection.len() + more_projections.len());
v.extend(self.projection);
v.extend(more_projections);
&v
};
Place { local: self.local, projection: tcx.mk_place_elems(new_projections) }
self.as_ref().project_deeper(more_projections, tcx)
}
}
@ -1721,6 +1714,27 @@ impl<'tcx> PlaceRef<'tcx> {
(base, *proj)
})
}
/// Generates a new place by appending `more_projections` to the existing ones
/// and interning the result.
pub fn project_deeper(
self,
more_projections: &[PlaceElem<'tcx>],
tcx: TyCtxt<'tcx>,
) -> Place<'tcx> {
let mut v: Vec<PlaceElem<'tcx>>;
let new_projections = if self.projection.is_empty() {
more_projections
} else {
v = Vec::with_capacity(self.projection.len() + more_projections.len());
v.extend(self.projection);
v.extend(more_projections);
&v
};
Place { local: self.local, projection: tcx.mk_place_elems(new_projections) }
}
}
impl Debug for Place<'_> {

9
compiler/rustc_middle/src/mir/pretty.rs
View file

@ -551,8 +551,13 @@ fn write_scope_tree(
}
let indented_debug_info = format!(
"{0:1$}debug {2} => {3:?};",
INDENT, indent, var_debug_info.name, var_debug_info.value,
"{0:1$}debug {2} => {3:&<4$}{5:?};",
INDENT,
indent,
var_debug_info.name,
"",
var_debug_info.references as usize,
var_debug_info.value,
);
writeln!(

1
compiler/rustc_middle/src/mir/visit.rs
View file

@ -842,6 +842,7 @@ macro_rules! make_mir_visitor {
source_info,
value,
argument_index: _,
references: _,
} = var_debug_info;
self.visit_source_info(source_info);

1
compiler/rustc_middle/src/ty/structural_impls.rs
View file

@ -204,6 +204,7 @@ CloneLiftImpls! {
(),
bool,
usize,
u8,
u16,
u32,
u64,

2
compiler/rustc_mir_build/src/build/matches/mod.rs
View file

@ -2241,6 +2241,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
self.var_debug_info.push(VarDebugInfo {
name,
source_info: debug_source_info,
references: 0,
value: VarDebugInfoContents::Place(for_arm_body.into()),
argument_index: None,
});
@ -2260,6 +2261,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
self.var_debug_info.push(VarDebugInfo {
name,
source_info: debug_source_info,
references: 0,
value: VarDebugInfoContents::Place(ref_for_guard.into()),
argument_index: None,
});

2
compiler/rustc_mir_build/src/build/mod.rs
View file

@ -798,6 +798,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
};
self.var_debug_info.push(VarDebugInfo {
name,
references: 0,
source_info: SourceInfo::outermost(captured_place.var_ident.span),
value: VarDebugInfoContents::Place(use_place),
argument_index: None,
@ -828,6 +829,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
self.var_debug_info.push(VarDebugInfo {
name,
source_info,
references: 0,
value: VarDebugInfoContents::Place(arg_local.into()),
argument_index: Some(argument_index as u16 + 1),
});

19
compiler/rustc_mir_transform/src/ref_prop.rs
View file

@ -263,6 +263,7 @@ fn compute_replacement<'tcx>(
targets,
storage_to_remove,
allowed_replacements,
fully_replacable_locals,
any_replacement: false,
};
@ -343,6 +344,7 @@ struct Replacer<'tcx> {
storage_to_remove: BitSet<Local>,
allowed_replacements: FxHashSet<(Local, Location)>,
any_replacement: bool,
fully_replacable_locals: BitSet<Local>,
}
impl<'tcx> MutVisitor<'tcx> for Replacer<'tcx> {
@ -350,6 +352,23 @@ impl<'tcx> MutVisitor<'tcx> for Replacer<'tcx> {
self.tcx
}
fn visit_var_debug_info(&mut self, debuginfo: &mut VarDebugInfo<'tcx>) {
if let VarDebugInfoContents::Place(ref mut place) = debuginfo.value
&& place.projection.is_empty()
&& let Value::Pointer(target, _) = self.targets[place.local]
&& target.projection.iter().all(|p| p.can_use_in_debuginfo())
{
if let Some((&PlaceElem::Deref, rest)) = target.projection.split_last() {
*place = Place::from(target.local).project_deeper(rest, self.tcx);
self.any_replacement = true;
} else if self.fully_replacable_locals.contains(place.local) {
debuginfo.references += 1;
*place = target;
self.any_replacement = true;
}
}
}
fn visit_place(&mut self, place: &mut Place<'tcx>, ctxt: PlaceContext, loc: Location) {
if place.projection.first() != Some(&PlaceElem::Deref) {
return;

1
compiler/rustc_type_ir/src/structural_impls.rs
View file

@ -21,6 +21,7 @@ TrivialTypeTraversalImpls! {
(),
bool,
usize,
u8,
u16,
u32,
u64,

22
tests/mir-opt/reference_prop.mut_raw_then_mut_shr.ReferencePropagation.diff
View file

@ -13,13 +13,16 @@
debug x => _1; // in scope 1 at $DIR/reference_prop.rs:+1:9: +1:14
let _2: &mut i32; // in scope 1 at $DIR/reference_prop.rs:+2:9: +2:13
scope 2 {
debug xref => _2; // in scope 2 at $DIR/reference_prop.rs:+2:9: +2:13
- debug xref => _2; // in scope 2 at $DIR/reference_prop.rs:+2:9: +2:13
+ debug xref => &_1; // in scope 2 at $DIR/reference_prop.rs:+2:9: +2:13
let _3: *mut i32; // in scope 2 at $DIR/reference_prop.rs:+3:9: +3:13
scope 3 {
debug xraw => _3; // in scope 3 at $DIR/reference_prop.rs:+3:9: +3:13
- debug xraw => _3; // in scope 3 at $DIR/reference_prop.rs:+3:9: +3:13
+ debug xraw => _4; // in scope 3 at $DIR/reference_prop.rs:+3:9: +3:13
let _6: &i32; // in scope 3 at $DIR/reference_prop.rs:+4:9: +4:13
scope 4 {
debug xshr => _6; // in scope 4 at $DIR/reference_prop.rs:+4:9: +4:13
- debug xshr => _6; // in scope 4 at $DIR/reference_prop.rs:+4:9: +4:13
+ debug xshr => _2; // in scope 4 at $DIR/reference_prop.rs:+4:9: +4:13
let _7: i32; // in scope 4 at $DIR/reference_prop.rs:+6:9: +6:10
scope 5 {
debug a => _7; // in scope 5 at $DIR/reference_prop.rs:+6:9: +6:10
@ -36,18 +39,17 @@
_1 = const 2_i32; // scope 0 at $DIR/reference_prop.rs:+1:17: +1:18
- StorageLive(_2); // scope 1 at $DIR/reference_prop.rs:+2:9: +2:13
_2 = &mut _1; // scope 1 at $DIR/reference_prop.rs:+2:16: +2:22
StorageLive(_3); // scope 2 at $DIR/reference_prop.rs:+3:9: +3:13
- StorageLive(_3); // scope 2 at $DIR/reference_prop.rs:+3:9: +3:13
- StorageLive(_4); // scope 2 at $DIR/reference_prop.rs:+3:16: +3:36
- StorageLive(_5); // scope 2 at $DIR/reference_prop.rs:+3:16: +3:26
- _5 = &mut (*_2); // scope 2 at $DIR/reference_prop.rs:+3:16: +3:26
- _4 = &raw mut (*_5); // scope 2 at $DIR/reference_prop.rs:+3:16: +3:26
+ _4 = &raw mut _1; // scope 2 at $DIR/reference_prop.rs:+3:16: +3:26
_3 = _4; // scope 2 at $DIR/reference_prop.rs:+3:16: +3:36
- _3 = _4; // scope 2 at $DIR/reference_prop.rs:+3:16: +3:36
- StorageDead(_5); // scope 2 at $DIR/reference_prop.rs:+3:36: +3:37
- StorageDead(_4); // scope 2 at $DIR/reference_prop.rs:+3:36: +3:37
StorageLive(_6); // scope 3 at $DIR/reference_prop.rs:+4:9: +4:13
- StorageLive(_6); // scope 3 at $DIR/reference_prop.rs:+4:9: +4:13
- _6 = &(*_2); // scope 3 at $DIR/reference_prop.rs:+4:16: +4:22
+ _6 = &_1; // scope 3 at $DIR/reference_prop.rs:+4:16: +4:22
+ _4 = &raw mut _1; // scope 2 at $DIR/reference_prop.rs:+3:16: +3:26
StorageLive(_7); // scope 4 at $DIR/reference_prop.rs:+6:9: +6:10
- _7 = (*_6); // scope 4 at $DIR/reference_prop.rs:+6:13: +6:18
- StorageLive(_8); // scope 5 at $DIR/reference_prop.rs:+7:5: +7:26
@ -64,8 +66,8 @@
StorageDead(_10); // scope 5 at $DIR/reference_prop.rs:+8:10: +8:11
StorageDead(_9); // scope 5 at $DIR/reference_prop.rs:+8:10: +8:11
StorageDead(_7); // scope 4 at $DIR/reference_prop.rs:+9:1: +9:2
StorageDead(_6); // scope 3 at $DIR/reference_prop.rs:+9:1: +9:2
StorageDead(_3); // scope 2 at $DIR/reference_prop.rs:+9:1: +9:2
- StorageDead(_6); // scope 3 at $DIR/reference_prop.rs:+9:1: +9:2
- StorageDead(_3); // scope 2 at $DIR/reference_prop.rs:+9:1: +9:2
- StorageDead(_2); // scope 1 at $DIR/reference_prop.rs:+9:1: +9:2
StorageDead(_1); // scope 0 at $DIR/reference_prop.rs:+9:1: +9:2
return; // scope 0 at $DIR/reference_prop.rs:+9:2: +9:2

58
tests/mir-opt/reference_prop.reference_propagation.ReferencePropagation.diff
View file

@ -17,12 +17,12 @@
let mut _17: (); // in scope 0 at $DIR/reference_prop.rs:+17:16: +17:18
let _18: (); // in scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
let _19: usize; // in scope 0 at $DIR/reference_prop.rs:+22:13: +22:14
let _23: (); // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:19
let mut _24: (); // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:18
let _23: (); // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:18
let mut _24: &&usize; // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:17
let _25: (); // in scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
let _26: usize; // in scope 0 at $DIR/reference_prop.rs:+31:13: +31:14
let _30: (); // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:19
let mut _31: (); // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:18
let _30: (); // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:18
let mut _31: *mut &usize; // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:17
let _32: (); // in scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
let _33: usize; // in scope 0 at $DIR/reference_prop.rs:+40:13: +40:14
let _36: (); // in scope 0 at $DIR/reference_prop.rs:+43:9: +43:18
@ -44,7 +44,8 @@
debug a => _4; // in scope 1 at $DIR/reference_prop.rs:+3:13: +3:14
let _5: &usize; // in scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
scope 2 {
debug b => _5; // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
- debug b => _5; // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
+ debug b => &_4; // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
let _6: usize; // in scope 2 at $DIR/reference_prop.rs:+5:13: +5:14
scope 3 {
debug c => _6; // in scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
@ -86,7 +87,7 @@
let mut _27: &usize; // in scope 12 at $DIR/reference_prop.rs:+32:13: +32:18
scope 13 {
debug b => _27; // in scope 13 at $DIR/reference_prop.rs:+32:13: +32:18
let _28: &mut &usize; // in scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
let _28: *mut &usize; // in scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
scope 14 {
debug d => _28; // in scope 14 at $DIR/reference_prop.rs:+33:13: +33:14
let _29: usize; // in scope 14 at $DIR/reference_prop.rs:+34:13: +34:14
@ -131,7 +132,8 @@
}
}
scope 25 {
debug a => _48; // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
- debug a => _48; // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
+ debug a => _1; // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
let _49: T; // in scope 25 at $DIR/reference_prop.rs:+62:13: +62:14
scope 26 {
debug b => _49; // in scope 26 at $DIR/reference_prop.rs:+62:13: +62:14
@ -149,8 +151,8 @@
- StorageLive(_3); // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
StorageLive(_4); // scope 0 at $DIR/reference_prop.rs:+3:13: +3:14
_4 = const 5_usize; // scope 0 at $DIR/reference_prop.rs:+3:17: +3:24
StorageLive(_5); // scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
_5 = &_4; // scope 1 at $DIR/reference_prop.rs:+4:17: +4:19
- StorageLive(_5); // scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
- _5 = &_4; // scope 1 at $DIR/reference_prop.rs:+4:17: +4:19
StorageLive(_6); // scope 2 at $DIR/reference_prop.rs:+5:13: +5:14
- _6 = (*_5); // scope 2 at $DIR/reference_prop.rs:+5:17: +5:19
+ _6 = _4; // scope 2 at $DIR/reference_prop.rs:+5:17: +5:19
@ -168,7 +170,7 @@
StorageDead(_7); // scope 3 at $DIR/reference_prop.rs:+6:19: +6:20
- _3 = const (); // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
StorageDead(_6); // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
StorageDead(_5); // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageDead(_5); // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
StorageDead(_4); // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageDead(_3); // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageLive(_9); // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
@ -215,18 +217,18 @@
_21 = &_20; // scope 9 at $DIR/reference_prop.rs:+24:17: +24:19
StorageLive(_22); // scope 10 at $DIR/reference_prop.rs:+25:13: +25:14
_22 = (*_20); // scope 10 at $DIR/reference_prop.rs:+25:17: +25:19
StorageLive(_23); // scope 11 at $DIR/reference_prop.rs:+26:9: +26:19
StorageLive(_24); // scope 11 at $DIR/reference_prop.rs:+26:16: +26:18
_24 = (); // scope 11 at $DIR/reference_prop.rs:+26:16: +26:18
_23 = opaque::<()>(move _24) -> bb3; // scope 11 at $DIR/reference_prop.rs:+26:9: +26:19
StorageLive(_23); // scope 11 at $DIR/reference_prop.rs:+26:9: +26:18
StorageLive(_24); // scope 11 at $DIR/reference_prop.rs:+26:16: +26:17
_24 = _21; // scope 11 at $DIR/reference_prop.rs:+26:16: +26:17
_23 = opaque::<&&usize>(move _24) -> bb3; // scope 11 at $DIR/reference_prop.rs:+26:9: +26:18
// mir::Constant
// + span: $DIR/reference_prop.rs:36:9: 36:15
// + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
// + literal: Const { ty: fn(&&usize) {opaque::<&&usize>}, val: Value(<ZST>) }
}
bb3: {
StorageDead(_24); // scope 11 at $DIR/reference_prop.rs:+26:18: +26:19
StorageDead(_23); // scope 11 at $DIR/reference_prop.rs:+26:19: +26:20
StorageDead(_24); // scope 11 at $DIR/reference_prop.rs:+26:17: +26:18
StorageDead(_23); // scope 11 at $DIR/reference_prop.rs:+26:18: +26:19
- _18 = const (); // scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
StorageDead(_22); // scope 10 at $DIR/reference_prop.rs:+27:5: +27:6
StorageDead(_21); // scope 9 at $DIR/reference_prop.rs:+27:5: +27:6
@ -239,21 +241,21 @@
StorageLive(_27); // scope 12 at $DIR/reference_prop.rs:+32:13: +32:18
_27 = &_26; // scope 12 at $DIR/reference_prop.rs:+32:21: +32:23
StorageLive(_28); // scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
_28 = &mut _27; // scope 13 at $DIR/reference_prop.rs:+33:17: +33:23
_28 = &raw mut _27; // scope 13 at $DIR/reference_prop.rs:+33:17: +33:27
StorageLive(_29); // scope 14 at $DIR/reference_prop.rs:+34:13: +34:14
_29 = (*_27); // scope 14 at $DIR/reference_prop.rs:+34:17: +34:19
StorageLive(_30); // scope 15 at $DIR/reference_prop.rs:+35:9: +35:19
StorageLive(_31); // scope 15 at $DIR/reference_prop.rs:+35:16: +35:18
_31 = (); // scope 15 at $DIR/reference_prop.rs:+35:16: +35:18
_30 = opaque::<()>(move _31) -> bb4; // scope 15 at $DIR/reference_prop.rs:+35:9: +35:19
StorageLive(_30); // scope 15 at $DIR/reference_prop.rs:+35:9: +35:18
StorageLive(_31); // scope 15 at $DIR/reference_prop.rs:+35:16: +35:17
_31 = _28; // scope 15 at $DIR/reference_prop.rs:+35:16: +35:17
_30 = opaque::<*mut &usize>(move _31) -> bb4; // scope 15 at $DIR/reference_prop.rs:+35:9: +35:18
// mir::Constant
// + span: $DIR/reference_prop.rs:45:9: 45:15
// + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
// + literal: Const { ty: fn(*mut &usize) {opaque::<*mut &usize>}, val: Value(<ZST>) }
}
bb4: {
StorageDead(_31); // scope 15 at $DIR/reference_prop.rs:+35:18: +35:19
StorageDead(_30); // scope 15 at $DIR/reference_prop.rs:+35:19: +35:20
StorageDead(_31); // scope 15 at $DIR/reference_prop.rs:+35:17: +35:18
StorageDead(_30); // scope 15 at $DIR/reference_prop.rs:+35:18: +35:19
- _25 = const (); // scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
StorageDead(_29); // scope 14 at $DIR/reference_prop.rs:+36:5: +36:6
StorageDead(_28); // scope 13 at $DIR/reference_prop.rs:+36:5: +36:6
@ -321,8 +323,8 @@
StorageDead(_39); // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
- StorageDead(_38); // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
- StorageLive(_47); // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
StorageLive(_48); // scope 0 at $DIR/reference_prop.rs:+61:13: +61:14
_48 = &(*_1); // scope 0 at $DIR/reference_prop.rs:+61:17: +61:25
- StorageLive(_48); // scope 0 at $DIR/reference_prop.rs:+61:13: +61:14
- _48 = &(*_1); // scope 0 at $DIR/reference_prop.rs:+61:17: +61:25
StorageLive(_49); // scope 25 at $DIR/reference_prop.rs:+62:13: +62:14
- _49 = (*_48); // scope 25 at $DIR/reference_prop.rs:+62:17: +62:19
+ _49 = (*_1); // scope 25 at $DIR/reference_prop.rs:+62:17: +62:19
@ -340,7 +342,7 @@
StorageDead(_50); // scope 26 at $DIR/reference_prop.rs:+63:19: +63:20
- _47 = const (); // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
StorageDead(_49); // scope 25 at $DIR/reference_prop.rs:+64:5: +64:6
StorageDead(_48); // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
- StorageDead(_48); // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
- StorageDead(_47); // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
StorageLive(_52); // scope 0 at $DIR/reference_prop.rs:+68:13: +68:14
_52 = &(*_2); // scope 0 at $DIR/reference_prop.rs:+68:17: +68:27

75
tests/mir-opt/reference_prop.reference_propagation_const_ptr.ReferencePropagation.diff
View file

@ -13,11 +13,11 @@
let _15: (); // in scope 0 at $DIR/reference_prop.rs:+17:9: +17:19
let mut _16: (); // in scope 0 at $DIR/reference_prop.rs:+17:16: +17:18
let _17: (); // in scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
let _22: (); // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:19
let mut _23: (); // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:18
let _22: (); // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:18
let mut _23: &*const usize; // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:17
let _24: (); // in scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
let _29: (); // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:19
let mut _30: (); // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:18
let _29: (); // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:18
let mut _30: *mut *const usize; // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:17
let _31: (); // in scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
let _35: (); // in scope 0 at $DIR/reference_prop.rs:+43:9: +43:18
let mut _36: *const usize; // in scope 0 at $DIR/reference_prop.rs:+43:16: +43:17
@ -39,7 +39,8 @@
debug a => _4; // in scope 2 at $DIR/reference_prop.rs:+3:13: +3:14
let _5: *const usize; // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
scope 3 {
debug b => _5; // in scope 3 at $DIR/reference_prop.rs:+4:13: +4:14
- debug b => _5; // in scope 3 at $DIR/reference_prop.rs:+4:13: +4:14
+ debug b => &_4; // in scope 3 at $DIR/reference_prop.rs:+4:13: +4:14
let _6: usize; // in scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
scope 4 {
debug c => _6; // in scope 4 at $DIR/reference_prop.rs:+5:13: +5:14
@ -90,7 +91,7 @@
let mut _26: *const usize; // in scope 16 at $DIR/reference_prop.rs:+32:13: +32:18
scope 17 {
debug b => _26; // in scope 17 at $DIR/reference_prop.rs:+32:13: +32:18
let _27: &mut *const usize; // in scope 17 at $DIR/reference_prop.rs:+33:13: +33:14
let _27: *mut *const usize; // in scope 17 at $DIR/reference_prop.rs:+33:13: +33:14
scope 18 {
debug d => _27; // in scope 18 at $DIR/reference_prop.rs:+33:13: +33:14
let _28: usize; // in scope 18 at $DIR/reference_prop.rs:+34:13: +34:14
@ -144,7 +145,8 @@
scope 31 {
let _47: *const T; // in scope 31 at $DIR/reference_prop.rs:+61:13: +61:14
scope 32 {
debug a => _47; // in scope 32 at $DIR/reference_prop.rs:+61:13: +61:14
- debug a => _47; // in scope 32 at $DIR/reference_prop.rs:+61:13: +61:14
+ debug a => _1; // in scope 32 at $DIR/reference_prop.rs:+61:13: +61:14
let _48: T; // in scope 32 at $DIR/reference_prop.rs:+62:13: +62:14
scope 33 {
debug b => _48; // in scope 33 at $DIR/reference_prop.rs:+62:13: +62:14
@ -167,10 +169,12 @@
debug a => _57; // in scope 38 at $DIR/reference_prop.rs:+76:13: +76:14
let _58: *const usize; // in scope 38 at $DIR/reference_prop.rs:+77:13: +77:14
scope 39 {
debug b => _58; // in scope 39 at $DIR/reference_prop.rs:+77:13: +77:14
- debug b => _58; // in scope 39 at $DIR/reference_prop.rs:+77:13: +77:14
+ debug b => &_57; // in scope 39 at $DIR/reference_prop.rs:+77:13: +77:14
let _59: *const usize; // in scope 39 at $DIR/reference_prop.rs:+78:13: +78:14
scope 40 {
debug c => _59; // in scope 40 at $DIR/reference_prop.rs:+78:13: +78:14
- debug c => _59; // in scope 40 at $DIR/reference_prop.rs:+78:13: +78:14
+ debug c => &_57; // in scope 40 at $DIR/reference_prop.rs:+78:13: +78:14
let _60: usize; // in scope 40 at $DIR/reference_prop.rs:+79:13: +79:14
scope 41 {
debug e => _60; // in scope 41 at $DIR/reference_prop.rs:+79:13: +79:14
@ -184,8 +188,8 @@
- StorageLive(_3); // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
StorageLive(_4); // scope 1 at $DIR/reference_prop.rs:+3:13: +3:14
_4 = const 5_usize; // scope 1 at $DIR/reference_prop.rs:+3:17: +3:24
StorageLive(_5); // scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
_5 = &raw const _4; // scope 2 at $DIR/reference_prop.rs:+4:17: +4:29
- StorageLive(_5); // scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
- _5 = &raw const _4; // scope 2 at $DIR/reference_prop.rs:+4:17: +4:29
StorageLive(_6); // scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
- _6 = (*_5); // scope 3 at $DIR/reference_prop.rs:+5:17: +5:19
+ _6 = _4; // scope 3 at $DIR/reference_prop.rs:+5:17: +5:19
@ -203,7 +207,7 @@
StorageDead(_7); // scope 4 at $DIR/reference_prop.rs:+6:19: +6:20
- _3 = const (); // scope 1 at $DIR/reference_prop.rs:+2:5: +7:6
StorageDead(_6); // scope 3 at $DIR/reference_prop.rs:+7:5: +7:6
StorageDead(_5); // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageDead(_5); // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
StorageDead(_4); // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageDead(_3); // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageLive(_9); // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
@ -246,18 +250,18 @@
_20 = &_19; // scope 12 at $DIR/reference_prop.rs:+24:17: +24:19
StorageLive(_21); // scope 13 at $DIR/reference_prop.rs:+25:13: +25:14
_21 = (*_19); // scope 13 at $DIR/reference_prop.rs:+25:17: +25:19
StorageLive(_22); // scope 14 at $DIR/reference_prop.rs:+26:9: +26:19
StorageLive(_23); // scope 14 at $DIR/reference_prop.rs:+26:16: +26:18
_23 = (); // scope 14 at $DIR/reference_prop.rs:+26:16: +26:18
_22 = opaque::<()>(move _23) -> bb3; // scope 14 at $DIR/reference_prop.rs:+26:9: +26:19
StorageLive(_22); // scope 14 at $DIR/reference_prop.rs:+26:9: +26:18
StorageLive(_23); // scope 14 at $DIR/reference_prop.rs:+26:16: +26:17
_23 = _20; // scope 14 at $DIR/reference_prop.rs:+26:16: +26:17
_22 = opaque::<&*const usize>(move _23) -> bb3; // scope 14 at $DIR/reference_prop.rs:+26:9: +26:18
// mir::Constant
// + span: $DIR/reference_prop.rs:186:9: 186:15
// + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
// + literal: Const { ty: fn(&*const usize) {opaque::<&*const usize>}, val: Value(<ZST>) }
}
bb3: {
StorageDead(_23); // scope 14 at $DIR/reference_prop.rs:+26:18: +26:19
StorageDead(_22); // scope 14 at $DIR/reference_prop.rs:+26:19: +26:20
StorageDead(_23); // scope 14 at $DIR/reference_prop.rs:+26:17: +26:18
StorageDead(_22); // scope 14 at $DIR/reference_prop.rs:+26:18: +26:19
- _17 = const (); // scope 10 at $DIR/reference_prop.rs:+21:5: +27:6
StorageDead(_21); // scope 13 at $DIR/reference_prop.rs:+27:5: +27:6
StorageDead(_20); // scope 12 at $DIR/reference_prop.rs:+27:5: +27:6
@ -270,21 +274,21 @@
StorageLive(_26); // scope 16 at $DIR/reference_prop.rs:+32:13: +32:18
_26 = &raw const _25; // scope 16 at $DIR/reference_prop.rs:+32:21: +32:33
StorageLive(_27); // scope 17 at $DIR/reference_prop.rs:+33:13: +33:14
_27 = &mut _26; // scope 17 at $DIR/reference_prop.rs:+33:17: +33:23
_27 = &raw mut _26; // scope 17 at $DIR/reference_prop.rs:+33:17: +33:27
StorageLive(_28); // scope 18 at $DIR/reference_prop.rs:+34:13: +34:14
_28 = (*_26); // scope 18 at $DIR/reference_prop.rs:+34:17: +34:19
StorageLive(_29); // scope 19 at $DIR/reference_prop.rs:+35:9: +35:19
StorageLive(_30); // scope 19 at $DIR/reference_prop.rs:+35:16: +35:18
_30 = (); // scope 19 at $DIR/reference_prop.rs:+35:16: +35:18
_29 = opaque::<()>(move _30) -> bb4; // scope 19 at $DIR/reference_prop.rs:+35:9: +35:19
StorageLive(_29); // scope 19 at $DIR/reference_prop.rs:+35:9: +35:18
StorageLive(_30); // scope 19 at $DIR/reference_prop.rs:+35:16: +35:17
_30 = _27; // scope 19 at $DIR/reference_prop.rs:+35:16: +35:17
_29 = opaque::<*mut *const usize>(move _30) -> bb4; // scope 19 at $DIR/reference_prop.rs:+35:9: +35:18
// mir::Constant
// + span: $DIR/reference_prop.rs:195:9: 195:15
// + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
// + literal: Const { ty: fn(*mut *const usize) {opaque::<*mut *const usize>}, val: Value(<ZST>) }
}
bb4: {
StorageDead(_30); // scope 19 at $DIR/reference_prop.rs:+35:18: +35:19
StorageDead(_29); // scope 19 at $DIR/reference_prop.rs:+35:19: +35:20
StorageDead(_30); // scope 19 at $DIR/reference_prop.rs:+35:17: +35:18
StorageDead(_29); // scope 19 at $DIR/reference_prop.rs:+35:18: +35:19
- _24 = const (); // scope 15 at $DIR/reference_prop.rs:+30:5: +36:6
StorageDead(_28); // scope 18 at $DIR/reference_prop.rs:+36:5: +36:6
StorageDead(_27); // scope 17 at $DIR/reference_prop.rs:+36:5: +36:6
@ -352,8 +356,8 @@
StorageDead(_38); // scope 24 at $DIR/reference_prop.rs:+57:5: +57:6
- StorageDead(_37); // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
- StorageLive(_46); // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
StorageLive(_47); // scope 31 at $DIR/reference_prop.rs:+61:13: +61:14
_47 = &raw const (*_1); // scope 31 at $DIR/reference_prop.rs:+61:17: +61:35
- StorageLive(_47); // scope 31 at $DIR/reference_prop.rs:+61:13: +61:14
- _47 = &raw const (*_1); // scope 31 at $DIR/reference_prop.rs:+61:17: +61:35
StorageLive(_48); // scope 32 at $DIR/reference_prop.rs:+62:13: +62:14
- _48 = (*_47); // scope 32 at $DIR/reference_prop.rs:+62:17: +62:19
+ _48 = (*_1); // scope 32 at $DIR/reference_prop.rs:+62:17: +62:19
@ -371,7 +375,7 @@
StorageDead(_49); // scope 33 at $DIR/reference_prop.rs:+63:19: +63:20
- _46 = const (); // scope 31 at $DIR/reference_prop.rs:+60:5: +64:6
StorageDead(_48); // scope 32 at $DIR/reference_prop.rs:+64:5: +64:6
StorageDead(_47); // scope 31 at $DIR/reference_prop.rs:+64:5: +64:6
- StorageDead(_47); // scope 31 at $DIR/reference_prop.rs:+64:5: +64:6
- StorageDead(_46); // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
- StorageLive(_51); // scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
StorageLive(_52); // scope 34 at $DIR/reference_prop.rs:+68:13: +68:14
@ -400,11 +404,10 @@
- StorageDead(_51); // scope 0 at $DIR/reference_prop.rs:+72:5: +72:6
StorageLive(_57); // scope 37 at $DIR/reference_prop.rs:+76:13: +76:14
_57 = const 13_usize; // scope 37 at $DIR/reference_prop.rs:+76:17: +76:25
StorageLive(_58); // scope 38 at $DIR/reference_prop.rs:+77:13: +77:14
_58 = &raw const _57; // scope 38 at $DIR/reference_prop.rs:+77:17: +77:29
StorageLive(_59); // scope 39 at $DIR/reference_prop.rs:+78:13: +78:14
- StorageLive(_58); // scope 38 at $DIR/reference_prop.rs:+77:13: +77:14
- _58 = &raw const _57; // scope 38 at $DIR/reference_prop.rs:+77:17: +77:29
- StorageLive(_59); // scope 39 at $DIR/reference_prop.rs:+78:13: +78:14
- _59 = &raw const (*_58); // scope 39 at $DIR/reference_prop.rs:+78:17: +78:30
+ _59 = &raw const _57; // scope 39 at $DIR/reference_prop.rs:+78:17: +78:30
StorageLive(_60); // scope 40 at $DIR/reference_prop.rs:+79:13: +79:14
- _60 = (*_59); // scope 40 at $DIR/reference_prop.rs:+79:17: +79:19
+ _60 = _57; // scope 40 at $DIR/reference_prop.rs:+79:17: +79:19
@ -422,8 +425,8 @@
StorageDead(_61); // scope 41 at $DIR/reference_prop.rs:+80:19: +80:20
_0 = const (); // scope 37 at $DIR/reference_prop.rs:+75:5: +81:6
StorageDead(_60); // scope 40 at $DIR/reference_prop.rs:+81:5: +81:6
StorageDead(_59); // scope 39 at $DIR/reference_prop.rs:+81:5: +81:6
StorageDead(_58); // scope 38 at $DIR/reference_prop.rs:+81:5: +81:6
- StorageDead(_59); // scope 39 at $DIR/reference_prop.rs:+81:5: +81:6
- StorageDead(_58); // scope 38 at $DIR/reference_prop.rs:+81:5: +81:6
StorageDead(_57); // scope 37 at $DIR/reference_prop.rs:+81:5: +81:6
return; // scope 0 at $DIR/reference_prop.rs:+82:2: +82:2
}

58
tests/mir-opt/reference_prop.reference_propagation_mut.ReferencePropagation.diff
View file

@ -17,12 +17,12 @@
let mut _17: (); // in scope 0 at $DIR/reference_prop.rs:+17:16: +17:18
let _18: (); // in scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
let mut _19: usize; // in scope 0 at $DIR/reference_prop.rs:+22:13: +22:18
let _23: (); // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:19
let mut _24: (); // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:18
let _23: (); // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:18
let mut _24: &&mut usize; // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:17
let _25: (); // in scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
let mut _26: usize; // in scope 0 at $DIR/reference_prop.rs:+31:13: +31:18
let _30: (); // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:19
let mut _31: (); // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:18
let _30: (); // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:18
let mut _31: *mut &mut usize; // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:17
let _32: (); // in scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
let mut _33: usize; // in scope 0 at $DIR/reference_prop.rs:+40:13: +40:18
let _36: (); // in scope 0 at $DIR/reference_prop.rs:+43:9: +43:18
@ -44,7 +44,8 @@
debug a => _4; // in scope 1 at $DIR/reference_prop.rs:+3:13: +3:18
let _5: &mut usize; // in scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
scope 2 {
debug b => _5; // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
- debug b => _5; // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
+ debug b => &_4; // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
let _6: usize; // in scope 2 at $DIR/reference_prop.rs:+5:13: +5:14
scope 3 {
debug c => _6; // in scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
@ -86,7 +87,7 @@
let mut _27: &mut usize; // in scope 12 at $DIR/reference_prop.rs:+32:13: +32:18
scope 13 {
debug b => _27; // in scope 13 at $DIR/reference_prop.rs:+32:13: +32:18
let _28: &mut &mut usize; // in scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
let _28: *mut &mut usize; // in scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
scope 14 {
debug d => _28; // in scope 14 at $DIR/reference_prop.rs:+33:13: +33:14
let _29: usize; // in scope 14 at $DIR/reference_prop.rs:+34:13: +34:14
@ -131,7 +132,8 @@
}
}
scope 25 {
debug a => _48; // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
- debug a => _48; // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
+ debug a => _1; // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
let _49: T; // in scope 25 at $DIR/reference_prop.rs:+62:13: +62:14
scope 26 {
debug b => _49; // in scope 26 at $DIR/reference_prop.rs:+62:13: +62:14
@ -149,8 +151,8 @@
- StorageLive(_3); // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
StorageLive(_4); // scope 0 at $DIR/reference_prop.rs:+3:13: +3:18
_4 = const 5_usize; // scope 0 at $DIR/reference_prop.rs:+3:21: +3:28
StorageLive(_5); // scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
_5 = &mut _4; // scope 1 at $DIR/reference_prop.rs:+4:17: +4:23
- StorageLive(_5); // scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
- _5 = &mut _4; // scope 1 at $DIR/reference_prop.rs:+4:17: +4:23
StorageLive(_6); // scope 2 at $DIR/reference_prop.rs:+5:13: +5:14
- _6 = (*_5); // scope 2 at $DIR/reference_prop.rs:+5:17: +5:19
+ _6 = _4; // scope 2 at $DIR/reference_prop.rs:+5:17: +5:19
@ -168,7 +170,7 @@
StorageDead(_7); // scope 3 at $DIR/reference_prop.rs:+6:19: +6:20
- _3 = const (); // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
StorageDead(_6); // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
StorageDead(_5); // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageDead(_5); // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
StorageDead(_4); // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageDead(_3); // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageLive(_9); // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
@ -215,18 +217,18 @@
_21 = &_20; // scope 9 at $DIR/reference_prop.rs:+24:17: +24:19
StorageLive(_22); // scope 10 at $DIR/reference_prop.rs:+25:13: +25:14
_22 = (*_20); // scope 10 at $DIR/reference_prop.rs:+25:17: +25:19
StorageLive(_23); // scope 11 at $DIR/reference_prop.rs:+26:9: +26:19
StorageLive(_24); // scope 11 at $DIR/reference_prop.rs:+26:16: +26:18
_24 = (); // scope 11 at $DIR/reference_prop.rs:+26:16: +26:18
_23 = opaque::<()>(move _24) -> bb3; // scope 11 at $DIR/reference_prop.rs:+26:9: +26:19
StorageLive(_23); // scope 11 at $DIR/reference_prop.rs:+26:9: +26:18
StorageLive(_24); // scope 11 at $DIR/reference_prop.rs:+26:16: +26:17
_24 = _21; // scope 11 at $DIR/reference_prop.rs:+26:16: +26:17
_23 = opaque::<&&mut usize>(move _24) -> bb3; // scope 11 at $DIR/reference_prop.rs:+26:9: +26:18
// mir::Constant
// + span: $DIR/reference_prop.rs:111:9: 111:15
// + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
// + literal: Const { ty: fn(&&mut usize) {opaque::<&&mut usize>}, val: Value(<ZST>) }
}
bb3: {
StorageDead(_24); // scope 11 at $DIR/reference_prop.rs:+26:18: +26:19
StorageDead(_23); // scope 11 at $DIR/reference_prop.rs:+26:19: +26:20
StorageDead(_24); // scope 11 at $DIR/reference_prop.rs:+26:17: +26:18
StorageDead(_23); // scope 11 at $DIR/reference_prop.rs:+26:18: +26:19
- _18 = const (); // scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
StorageDead(_22); // scope 10 at $DIR/reference_prop.rs:+27:5: +27:6
StorageDead(_21); // scope 9 at $DIR/reference_prop.rs:+27:5: +27:6
@ -239,21 +241,21 @@
StorageLive(_27); // scope 12 at $DIR/reference_prop.rs:+32:13: +32:18
_27 = &mut _26; // scope 12 at $DIR/reference_prop.rs:+32:21: +32:27
StorageLive(_28); // scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
_28 = &mut _27; // scope 13 at $DIR/reference_prop.rs:+33:17: +33:23
_28 = &raw mut _27; // scope 13 at $DIR/reference_prop.rs:+33:17: +33:27
StorageLive(_29); // scope 14 at $DIR/reference_prop.rs:+34:13: +34:14
_29 = (*_27); // scope 14 at $DIR/reference_prop.rs:+34:17: +34:19
StorageLive(_30); // scope 15 at $DIR/reference_prop.rs:+35:9: +35:19
StorageLive(_31); // scope 15 at $DIR/reference_prop.rs:+35:16: +35:18
_31 = (); // scope 15 at $DIR/reference_prop.rs:+35:16: +35:18
_30 = opaque::<()>(move _31) -> bb4; // scope 15 at $DIR/reference_prop.rs:+35:9: +35:19
StorageLive(_30); // scope 15 at $DIR/reference_prop.rs:+35:9: +35:18
StorageLive(_31); // scope 15 at $DIR/reference_prop.rs:+35:16: +35:17
_31 = _28; // scope 15 at $DIR/reference_prop.rs:+35:16: +35:17
_30 = opaque::<*mut &mut usize>(move _31) -> bb4; // scope 15 at $DIR/reference_prop.rs:+35:9: +35:18
// mir::Constant
// + span: $DIR/reference_prop.rs:120:9: 120:15
// + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
// + literal: Const { ty: fn(*mut &mut usize) {opaque::<*mut &mut usize>}, val: Value(<ZST>) }
}
bb4: {
StorageDead(_31); // scope 15 at $DIR/reference_prop.rs:+35:18: +35:19
StorageDead(_30); // scope 15 at $DIR/reference_prop.rs:+35:19: +35:20
StorageDead(_31); // scope 15 at $DIR/reference_prop.rs:+35:17: +35:18
StorageDead(_30); // scope 15 at $DIR/reference_prop.rs:+35:18: +35:19
- _25 = const (); // scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
StorageDead(_29); // scope 14 at $DIR/reference_prop.rs:+36:5: +36:6
StorageDead(_28); // scope 13 at $DIR/reference_prop.rs:+36:5: +36:6
@ -318,8 +320,8 @@
StorageDead(_39); // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
- StorageDead(_38); // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
- StorageLive(_47); // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
StorageLive(_48); // scope 0 at $DIR/reference_prop.rs:+61:13: +61:14
_48 = &mut (*_1); // scope 0 at $DIR/reference_prop.rs:+61:17: +61:29
- StorageLive(_48); // scope 0 at $DIR/reference_prop.rs:+61:13: +61:14
- _48 = &mut (*_1); // scope 0 at $DIR/reference_prop.rs:+61:17: +61:29
StorageLive(_49); // scope 25 at $DIR/reference_prop.rs:+62:13: +62:14
- _49 = (*_48); // scope 25 at $DIR/reference_prop.rs:+62:17: +62:19
+ _49 = (*_1); // scope 25 at $DIR/reference_prop.rs:+62:17: +62:19
@ -337,7 +339,7 @@
StorageDead(_50); // scope 26 at $DIR/reference_prop.rs:+63:19: +63:20
- _47 = const (); // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
StorageDead(_49); // scope 25 at $DIR/reference_prop.rs:+64:5: +64:6
StorageDead(_48); // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
- StorageDead(_48); // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
- StorageDead(_47); // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
StorageLive(_52); // scope 0 at $DIR/reference_prop.rs:+68:13: +68:14
_52 = &mut (*_2); // scope 0 at $DIR/reference_prop.rs:+68:17: +68:31

58
tests/mir-opt/reference_prop.reference_propagation_mut_ptr.ReferencePropagation.diff
View file

@ -13,11 +13,11 @@
let _15: (); // in scope 0 at $DIR/reference_prop.rs:+17:9: +17:19
let mut _16: (); // in scope 0 at $DIR/reference_prop.rs:+17:16: +17:18
let _17: (); // in scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
let _22: (); // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:19
let mut _23: (); // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:18
let _22: (); // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:18
let mut _23: &*mut usize; // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:17
let _24: (); // in scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
let _29: (); // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:19
let mut _30: (); // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:18
let _29: (); // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:18
let mut _30: *mut *mut usize; // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:17
let _31: (); // in scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
let _35: (); // in scope 0 at $DIR/reference_prop.rs:+43:9: +43:18
let mut _36: *mut usize; // in scope 0 at $DIR/reference_prop.rs:+43:16: +43:17
@ -36,7 +36,8 @@
debug a => _4; // in scope 2 at $DIR/reference_prop.rs:+3:13: +3:18
let _5: *mut usize; // in scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
scope 3 {
debug b => _5; // in scope 3 at $DIR/reference_prop.rs:+4:13: +4:14
- debug b => _5; // in scope 3 at $DIR/reference_prop.rs:+4:13: +4:14
+ debug b => &_4; // in scope 3 at $DIR/reference_prop.rs:+4:13: +4:14
let _6: usize; // in scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
scope 4 {
debug c => _6; // in scope 4 at $DIR/reference_prop.rs:+5:13: +5:14
@ -87,7 +88,7 @@
let mut _26: *mut usize; // in scope 16 at $DIR/reference_prop.rs:+32:13: +32:18
scope 17 {
debug b => _26; // in scope 17 at $DIR/reference_prop.rs:+32:13: +32:18
let _27: &mut *mut usize; // in scope 17 at $DIR/reference_prop.rs:+33:13: +33:14
let _27: *mut *mut usize; // in scope 17 at $DIR/reference_prop.rs:+33:13: +33:14
scope 18 {
debug d => _27; // in scope 18 at $DIR/reference_prop.rs:+33:13: +33:14
let _28: usize; // in scope 18 at $DIR/reference_prop.rs:+34:13: +34:14
@ -141,7 +142,8 @@
scope 31 {
let _47: *mut T; // in scope 31 at $DIR/reference_prop.rs:+61:13: +61:14
scope 32 {
debug a => _47; // in scope 32 at $DIR/reference_prop.rs:+61:13: +61:14
- debug a => _47; // in scope 32 at $DIR/reference_prop.rs:+61:13: +61:14
+ debug a => _1; // in scope 32 at $DIR/reference_prop.rs:+61:13: +61:14
let _48: T; // in scope 32 at $DIR/reference_prop.rs:+62:13: +62:14
scope 33 {
debug b => _48; // in scope 33 at $DIR/reference_prop.rs:+62:13: +62:14
@ -163,8 +165,8 @@
- StorageLive(_3); // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
StorageLive(_4); // scope 1 at $DIR/reference_prop.rs:+3:13: +3:18
_4 = const 5_usize; // scope 1 at $DIR/reference_prop.rs:+3:21: +3:28
StorageLive(_5); // scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
_5 = &raw mut _4; // scope 2 at $DIR/reference_prop.rs:+4:17: +4:27
- StorageLive(_5); // scope 2 at $DIR/reference_prop.rs:+4:13: +4:14
- _5 = &raw mut _4; // scope 2 at $DIR/reference_prop.rs:+4:17: +4:27
StorageLive(_6); // scope 3 at $DIR/reference_prop.rs:+5:13: +5:14
- _6 = (*_5); // scope 3 at $DIR/reference_prop.rs:+5:17: +5:19
+ _6 = _4; // scope 3 at $DIR/reference_prop.rs:+5:17: +5:19
@ -182,7 +184,7 @@
StorageDead(_7); // scope 4 at $DIR/reference_prop.rs:+6:19: +6:20
- _3 = const (); // scope 1 at $DIR/reference_prop.rs:+2:5: +7:6
StorageDead(_6); // scope 3 at $DIR/reference_prop.rs:+7:5: +7:6
StorageDead(_5); // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageDead(_5); // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
StorageDead(_4); // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageDead(_3); // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
- StorageLive(_9); // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
@ -225,18 +227,18 @@
_20 = &_19; // scope 12 at $DIR/reference_prop.rs:+24:17: +24:19
StorageLive(_21); // scope 13 at $DIR/reference_prop.rs:+25:13: +25:14
_21 = (*_19); // scope 13 at $DIR/reference_prop.rs:+25:17: +25:19
StorageLive(_22); // scope 14 at $DIR/reference_prop.rs:+26:9: +26:19
StorageLive(_23); // scope 14 at $DIR/reference_prop.rs:+26:16: +26:18
_23 = (); // scope 14 at $DIR/reference_prop.rs:+26:16: +26:18
_22 = opaque::<()>(move _23) -> bb3; // scope 14 at $DIR/reference_prop.rs:+26:9: +26:19
StorageLive(_22); // scope 14 at $DIR/reference_prop.rs:+26:9: +26:18
StorageLive(_23); // scope 14 at $DIR/reference_prop.rs:+26:16: +26:17
_23 = _20; // scope 14 at $DIR/reference_prop.rs:+26:16: +26:17
_22 = opaque::<&*mut usize>(move _23) -> bb3; // scope 14 at $DIR/reference_prop.rs:+26:9: +26:18
// mir::Constant
// + span: $DIR/reference_prop.rs:270:9: 270:15
// + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
// + literal: Const { ty: fn(&*mut usize) {opaque::<&*mut usize>}, val: Value(<ZST>) }
}
bb3: {
StorageDead(_23); // scope 14 at $DIR/reference_prop.rs:+26:18: +26:19
StorageDead(_22); // scope 14 at $DIR/reference_prop.rs:+26:19: +26:20
StorageDead(_23); // scope 14 at $DIR/reference_prop.rs:+26:17: +26:18
StorageDead(_22); // scope 14 at $DIR/reference_prop.rs:+26:18: +26:19
- _17 = const (); // scope 10 at $DIR/reference_prop.rs:+21:5: +27:6
StorageDead(_21); // scope 13 at $DIR/reference_prop.rs:+27:5: +27:6
StorageDead(_20); // scope 12 at $DIR/reference_prop.rs:+27:5: +27:6
@ -249,21 +251,21 @@
StorageLive(_26); // scope 16 at $DIR/reference_prop.rs:+32:13: +32:18
_26 = &raw mut _25; // scope 16 at $DIR/reference_prop.rs:+32:21: +32:31
StorageLive(_27); // scope 17 at $DIR/reference_prop.rs:+33:13: +33:14
_27 = &mut _26; // scope 17 at $DIR/reference_prop.rs:+33:17: +33:23
_27 = &raw mut _26; // scope 17 at $DIR/reference_prop.rs:+33:17: +33:27
StorageLive(_28); // scope 18 at $DIR/reference_prop.rs:+34:13: +34:14
_28 = (*_26); // scope 18 at $DIR/reference_prop.rs:+34:17: +34:19
StorageLive(_29); // scope 19 at $DIR/reference_prop.rs:+35:9: +35:19
StorageLive(_30); // scope 19 at $DIR/reference_prop.rs:+35:16: +35:18
_30 = (); // scope 19 at $DIR/reference_prop.rs:+35:16: +35:18
_29 = opaque::<()>(move _30) -> bb4; // scope 19 at $DIR/reference_prop.rs:+35:9: +35:19
StorageLive(_29); // scope 19 at $DIR/reference_prop.rs:+35:9: +35:18
StorageLive(_30); // scope 19 at $DIR/reference_prop.rs:+35:16: +35:17
_30 = _27; // scope 19 at $DIR/reference_prop.rs:+35:16: +35:17
_29 = opaque::<*mut *mut usize>(move _30) -> bb4; // scope 19 at $DIR/reference_prop.rs:+35:9: +35:18
// mir::Constant
// + span: $DIR/reference_prop.rs:279:9: 279:15
// + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
// + literal: Const { ty: fn(*mut *mut usize) {opaque::<*mut *mut usize>}, val: Value(<ZST>) }
}
bb4: {
StorageDead(_30); // scope 19 at $DIR/reference_prop.rs:+35:18: +35:19
StorageDead(_29); // scope 19 at $DIR/reference_prop.rs:+35:19: +35:20
StorageDead(_30); // scope 19 at $DIR/reference_prop.rs:+35:17: +35:18
StorageDead(_29); // scope 19 at $DIR/reference_prop.rs:+35:18: +35:19
- _24 = const (); // scope 15 at $DIR/reference_prop.rs:+30:5: +36:6
StorageDead(_28); // scope 18 at $DIR/reference_prop.rs:+36:5: +36:6
StorageDead(_27); // scope 17 at $DIR/reference_prop.rs:+36:5: +36:6
@ -328,8 +330,8 @@
StorageDead(_38); // scope 24 at $DIR/reference_prop.rs:+57:5: +57:6
- StorageDead(_37); // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
- StorageLive(_46); // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
StorageLive(_47); // scope 31 at $DIR/reference_prop.rs:+61:13: +61:14
_47 = &raw mut (*_1); // scope 31 at $DIR/reference_prop.rs:+61:17: +61:33
- StorageLive(_47); // scope 31 at $DIR/reference_prop.rs:+61:13: +61:14
- _47 = &raw mut (*_1); // scope 31 at $DIR/reference_prop.rs:+61:17: +61:33
StorageLive(_48); // scope 32 at $DIR/reference_prop.rs:+62:13: +62:14
- _48 = (*_47); // scope 32 at $DIR/reference_prop.rs:+62:17: +62:19
+ _48 = (*_1); // scope 32 at $DIR/reference_prop.rs:+62:17: +62:19
@ -347,7 +349,7 @@
StorageDead(_49); // scope 33 at $DIR/reference_prop.rs:+63:19: +63:20
- _46 = const (); // scope 31 at $DIR/reference_prop.rs:+60:5: +64:6
StorageDead(_48); // scope 32 at $DIR/reference_prop.rs:+64:5: +64:6
StorageDead(_47); // scope 31 at $DIR/reference_prop.rs:+64:5: +64:6
- StorageDead(_47); // scope 31 at $DIR/reference_prop.rs:+64:5: +64:6
- StorageDead(_46); // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
StorageLive(_51); // scope 34 at $DIR/reference_prop.rs:+68:13: +68:14
_51 = &raw mut (*_2); // scope 34 at $DIR/reference_prop.rs:+68:17: +68:35

24
tests/mir-opt/reference_prop.rs
View file

@ -33,16 +33,16 @@ fn reference_propagation<'a, T: Copy>(single: &'a T, mut multiple: &'a T) {
let b = &a;
let d = &b;
let c = *b; // `b` is immutably borrowed, we know its value, but do not propagate it
opaque(());
opaque(d); // prevent `d` from being removed.
}
// Propagation through a borrowed reference.
{
let a = 5_usize;
let mut b = &a;
let d = &mut b;
let d = &raw mut b;
let c = *b; // `b` is mutably borrowed, we cannot know its value.
opaque(());
opaque(d); // prevent `d` from being removed.
}
// Propagation through an escaping borrow.
@ -108,16 +108,16 @@ fn reference_propagation_mut<'a, T: Copy>(single: &'a mut T, mut multiple: &'a m
let b = &mut a;
let d = &b;
let c = *b; // `b` is immutably borrowed, we know its value, but cannot be removed.
opaque(());
opaque(d); // prevent `d` from being removed.
}
// Propagation through a borrowed reference.
{
let mut a = 5_usize;
let mut b = &mut a;
let d = &mut b;
let d = &raw mut b;
let c = *b; // `b` is mutably borrowed, we cannot know its value.
opaque(());
opaque(d); // prevent `d` from being removed.
}
// Propagation through an escaping borrow.
@ -183,16 +183,16 @@ fn reference_propagation_const_ptr<T: Copy>(single: *const T, mut multiple: *con
let b = &raw const a;
let d = &b;
let c = *b; // `b` is immutably borrowed, we know its value, but cannot be removed.
opaque(());
opaque(d); // prevent `d` from being removed.
}
// Propagation through a borrowed reference.
unsafe {
let a = 5_usize;
let mut b = &raw const a;
let d = &mut b;
let d = &raw mut b;
let c = *b; // `b` is mutably borrowed, we cannot know its value.
opaque(());
opaque(d); // prevent `d` from being removed.
}
// Propagation through an escaping borrow.
@ -267,16 +267,16 @@ fn reference_propagation_mut_ptr<T: Copy>(single: *mut T, mut multiple: *mut T)
let b = &raw mut a;
let d = &b;
let c = *b; // `b` is immutably borrowed, we know its value, but cannot be removed.
opaque(());
opaque(d); // prevent `d` from being removed.
}
// Propagation through a borrowed reference.
unsafe {
let mut a = 5_usize;
let mut b = &raw mut a;
let d = &mut b;
let d = &raw mut b;
let c = *b; // `b` is mutably borrowed, we cannot know its value.
opaque(());
opaque(d); // prevent `d` from being removed.
}
// Propagation through an escaping borrow.

9
tests/mir-opt/reference_prop.unique_with_copies.ReferencePropagation.diff
View file

@ -10,7 +10,8 @@
let _6: (); // in scope 0 at $DIR/reference_prop.rs:+9:14: +9:24
let mut _7: i32; // in scope 0 at $DIR/reference_prop.rs:+9:21: +9:23
scope 1 {
debug y => _1; // in scope 1 at $DIR/reference_prop.rs:+1:9: +1:10
- debug y => _1; // in scope 1 at $DIR/reference_prop.rs:+1:9: +1:10
+ debug y => _3; // in scope 1 at $DIR/reference_prop.rs:+1:9: +1:10
scope 5 {
}
}
@ -25,7 +26,7 @@
}
bb0: {
StorageLive(_1); // scope 0 at $DIR/reference_prop.rs:+1:9: +1:10
- StorageLive(_1); // scope 0 at $DIR/reference_prop.rs:+1:9: +1:10
StorageLive(_2); // scope 0 at $DIR/reference_prop.rs:+2:13: +2:18
_2 = const 0_i32; // scope 0 at $DIR/reference_prop.rs:+2:21: +2:22
- StorageLive(_3); // scope 2 at $DIR/reference_prop.rs:+3:13: +3:14
@ -42,7 +43,7 @@
bb1: {
StorageDead(_5); // scope 4 at $DIR/reference_prop.rs:+5:27: +5:28
StorageDead(_4); // scope 3 at $DIR/reference_prop.rs:+5:30: +5:31
_1 = _3; // scope 3 at $DIR/reference_prop.rs:+6:9: +6:10
- _1 = _3; // scope 3 at $DIR/reference_prop.rs:+6:9: +6:10
- StorageDead(_3); // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
StorageDead(_2); // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
StorageLive(_6); // scope 1 at $DIR/reference_prop.rs:+9:5: +9:26
@ -59,7 +60,7 @@
StorageDead(_7); // scope 5 at $DIR/reference_prop.rs:+9:23: +9:24
StorageDead(_6); // scope 1 at $DIR/reference_prop.rs:+9:26: +9:27
_0 = const (); // scope 0 at $DIR/reference_prop.rs:+0:25: +10:2
StorageDead(_1); // scope 0 at $DIR/reference_prop.rs:+10:1: +10:2
- StorageDead(_1); // scope 0 at $DIR/reference_prop.rs:+10:1: +10:2
return; // scope 0 at $DIR/reference_prop.rs:+10:2: +10:2
}
}

284
tests/mir-opt/slice_filter.variant_a-{closure#0}.DestinationPropagation.diff
View file

@ -9,81 +9,77 @@
let _6: &usize; // in scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
let mut _7: bool; // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:56
let mut _8: bool; // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:46
let mut _9: &&usize; // in scope 0 at $DIR/slice_filter.rs:+0:40: +0:41
let mut _10: &&usize; // in scope 0 at $DIR/slice_filter.rs:+0:45: +0:46
let _11: &usize; // in scope 0 at $DIR/slice_filter.rs:+0:45: +0:46
let mut _12: bool; // in scope 0 at $DIR/slice_filter.rs:+0:50: +0:56
let mut _13: &&usize; // in scope 0 at $DIR/slice_filter.rs:+0:50: +0:51
let mut _14: &&usize; // in scope 0 at $DIR/slice_filter.rs:+0:55: +0:56
let _15: &usize; // in scope 0 at $DIR/slice_filter.rs:+0:55: +0:56
let mut _16: bool; // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:76
let mut _17: bool; // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:66
let mut _18: &&usize; // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:61
let mut _19: &&usize; // in scope 0 at $DIR/slice_filter.rs:+0:65: +0:66
let _20: &usize; // in scope 0 at $DIR/slice_filter.rs:+0:65: +0:66
let mut _21: bool; // in scope 0 at $DIR/slice_filter.rs:+0:70: +0:76
let mut _22: &&usize; // in scope 0 at $DIR/slice_filter.rs:+0:70: +0:71
let mut _23: &&usize; // in scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
let _24: &usize; // in scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
let mut _25: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
let mut _26: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
let mut _27: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
let mut _28: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
let _9: &usize; // in scope 0 at $DIR/slice_filter.rs:+0:45: +0:46
let mut _10: bool; // in scope 0 at $DIR/slice_filter.rs:+0:50: +0:56
let _11: &usize; // in scope 0 at $DIR/slice_filter.rs:+0:55: +0:56
let mut _12: bool; // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:76
let mut _13: bool; // in scope 0 at $DIR/slice_filter.rs:+0:60: +0:66
let _14: &usize; // in scope 0 at $DIR/slice_filter.rs:+0:65: +0:66
let mut _15: bool; // in scope 0 at $DIR/slice_filter.rs:+0:70: +0:76
let _16: &usize; // in scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
let mut _17: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
let mut _18: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
let mut _19: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
let mut _20: &(usize, usize, usize, usize); // in scope 0 at $DIR/slice_filter.rs:+0:26: +0:38
scope 1 {
- debug a => _3; // in scope 1 at $DIR/slice_filter.rs:+0:27: +0:28
- debug b => _4; // in scope 1 at $DIR/slice_filter.rs:+0:30: +0:31
- debug c => _5; // in scope 1 at $DIR/slice_filter.rs:+0:33: +0:34
- debug d => _6; // in scope 1 at $DIR/slice_filter.rs:+0:36: +0:37
+ debug a => _20; // in scope 1 at $DIR/slice_filter.rs:+0:27: +0:28
+ debug b => _15; // in scope 1 at $DIR/slice_filter.rs:+0:30: +0:31
+ debug c => _11; // in scope 1 at $DIR/slice_filter.rs:+0:33: +0:34
+ debug d => _24; // in scope 1 at $DIR/slice_filter.rs:+0:36: +0:37
+ debug a => _14; // in scope 1 at $DIR/slice_filter.rs:+0:27: +0:28
+ debug b => _11; // in scope 1 at $DIR/slice_filter.rs:+0:30: +0:31
+ debug c => _9; // in scope 1 at $DIR/slice_filter.rs:+0:33: +0:34
+ debug d => _16; // in scope 1 at $DIR/slice_filter.rs:+0:36: +0:37
scope 2 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:40: 8:46
debug self => _9; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _10; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _29: &usize; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _30: &usize; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug self => &_3; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug self => &_14; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => &_9; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _21: &usize; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _22: &usize; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
scope 3 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
debug self => _29; // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _30; // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _31: usize; // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _32: usize; // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug self => _21; // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _22; // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _23: usize; // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _24: usize; // in scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
}
}
scope 4 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:60: 8:66
debug self => _18; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _19; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _33: &usize; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _34: &usize; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug self => &_5; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug self => &_9; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => &_14; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _25: &usize; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _26: &usize; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
scope 5 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
debug self => _33; // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _34; // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _35: usize; // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _36: usize; // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug self => _25; // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _26; // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _27: usize; // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _28: usize; // in scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
}
}
scope 6 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:50: 8:56
debug self => _13; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _14; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _37: &usize; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _38: &usize; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug self => &_6; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug self => &_16; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => &_11; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _29: &usize; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _30: &usize; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
scope 7 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
debug self => _37; // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _38; // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _39: usize; // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _40: usize; // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug self => _29; // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _30; // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _31: usize; // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _32: usize; // in scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
}
}
scope 8 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:70: 8:76
debug self => _22; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _23; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _41: &usize; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _42: &usize; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug self => &_4; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug self => &_11; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => &_16; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _33: &usize; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _34: &usize; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
scope 9 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
debug self => _41; // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _42; // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _43: usize; // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _44: usize; // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug self => _33; // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _34; // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _35: usize; // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _36: usize; // in scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
}
}
}
@ -91,47 +87,43 @@
bb0: {
- StorageLive(_3); // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
+ nop; // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
_25 = deref_copy (*_2); // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
- _3 = &((*_25).0: usize); // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
_17 = deref_copy (*_2); // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
- _3 = &((*_17).0: usize); // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
- StorageLive(_4); // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
+ _20 = &((*_25).0: usize); // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
+ _14 = &((*_17).0: usize); // scope 0 at $DIR/slice_filter.rs:+0:27: +0:28
+ nop; // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
_26 = deref_copy (*_2); // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
- _4 = &((*_26).1: usize); // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
_18 = deref_copy (*_2); // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
- _4 = &((*_18).1: usize); // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
- StorageLive(_5); // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
+ _15 = &((*_26).1: usize); // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
+ _11 = &((*_18).1: usize); // scope 0 at $DIR/slice_filter.rs:+0:30: +0:31
+ nop; // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
_27 = deref_copy (*_2); // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
- _5 = &((*_27).2: usize); // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
_19 = deref_copy (*_2); // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
- _5 = &((*_19).2: usize); // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
- StorageLive(_6); // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
+ _11 = &((*_27).2: usize); // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
+ _9 = &((*_19).2: usize); // scope 0 at $DIR/slice_filter.rs:+0:33: +0:34
+ nop; // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
_28 = deref_copy (*_2); // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
- _6 = &((*_28).3: usize); // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
_20 = deref_copy (*_2); // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
- _6 = &((*_20).3: usize); // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
- StorageLive(_7); // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
+ _24 = &((*_28).3: usize); // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
+ _16 = &((*_20).3: usize); // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
StorageLive(_8); // scope 1 at $DIR/slice_filter.rs:+0:40: +0:46
StorageLive(_9); // scope 1 at $DIR/slice_filter.rs:+0:40: +0:41
StorageLive(_10); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
- StorageLive(_11); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
- _11 = _5; // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
- _29 = deref_copy _3; // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
- StorageLive(_9); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
- _9 = _5; // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
- _21 = deref_copy _3; // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+ _29 = deref_copy _20; // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
_30 = deref_copy _11; // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_31); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
_31 = (*_29); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_32); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
_32 = (*_30); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
_8 = Le(move _31, move _32); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_32); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_31); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
- StorageDead(_11); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+ _21 = deref_copy _14; // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
_22 = deref_copy _9; // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_23); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
_23 = (*_21); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_24); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
_24 = (*_22); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
_8 = Le(move _23, move _24); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_24); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_23); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
- StorageDead(_9); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
StorageDead(_10); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
StorageDead(_9); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
switchInt(move _8) -> [0: bb4, otherwise: bb5]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
}
@ -141,34 +133,30 @@
}
bb2: {
- StorageLive(_16); // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
- StorageLive(_12); // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
StorageLive(_17); // scope 1 at $DIR/slice_filter.rs:+0:60: +0:66
StorageLive(_18); // scope 1 at $DIR/slice_filter.rs:+0:60: +0:61
StorageLive(_19); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
- StorageLive(_20); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
- _20 = _3; // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
- _33 = deref_copy _5; // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_13); // scope 1 at $DIR/slice_filter.rs:+0:60: +0:66
- StorageLive(_14); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
- _14 = _3; // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
- _25 = deref_copy _5; // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+ _33 = deref_copy _11; // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
_34 = deref_copy _20; // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_35); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
_35 = (*_33); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_36); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
_36 = (*_34); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
_17 = Le(move _35, move _36); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_36); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_35); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
- StorageDead(_20); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+ _25 = deref_copy _9; // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
_26 = deref_copy _14; // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_27); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
_27 = (*_25); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_28); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
_28 = (*_26); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
_13 = Le(move _27, move _28); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_28); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_27); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
- StorageDead(_14); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
StorageDead(_19); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
StorageDead(_18); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
switchInt(move _17) -> [0: bb6, otherwise: bb7]; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
switchInt(move _13) -> [0: bb6, otherwise: bb7]; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
}
bb3: {
- StorageDead(_16); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- StorageDead(_12); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- StorageDead(_7); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- StorageDead(_6); // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
- StorageDead(_5); // scope 0 at $DIR/slice_filter.rs:+0:75: +0:76
@ -184,84 +172,76 @@
}
bb4: {
- StorageDead(_12); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- StorageDead(_10); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
StorageDead(_8); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
goto -> bb2; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
}
bb5: {
- StorageLive(_12); // scope 1 at $DIR/slice_filter.rs:+0:50: +0:56
- StorageLive(_10); // scope 1 at $DIR/slice_filter.rs:+0:50: +0:56
- StorageLive(_11); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- _11 = _4; // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- _29 = deref_copy _6; // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:50: +0:56
StorageLive(_13); // scope 1 at $DIR/slice_filter.rs:+0:50: +0:51
StorageLive(_14); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- StorageLive(_15); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- _15 = _4; // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- _37 = deref_copy _6; // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+ _37 = deref_copy _24; // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
_38 = deref_copy _15; // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_39); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
_39 = (*_37); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_40); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
_40 = (*_38); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
_12 = Le(move _39, move _40); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_40); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_39); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
- StorageDead(_15); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+ _29 = deref_copy _16; // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
_30 = deref_copy _11; // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_31); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
_31 = (*_29); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_32); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
_32 = (*_30); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
_10 = Le(move _31, move _32); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_32); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_31); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
- StorageDead(_11); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- _7 = move _10; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
- StorageDead(_10); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
StorageDead(_14); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
StorageDead(_13); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- _7 = move _12; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
- StorageDead(_12); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
StorageDead(_8); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- switchInt(move _7) -> [0: bb2, otherwise: bb1]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
+ switchInt(move _12) -> [0: bb2, otherwise: bb1]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
+ switchInt(move _10) -> [0: bb2, otherwise: bb1]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
}
bb6: {
- _16 = const false; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
- _12 = const false; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+ _0 = const false; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
goto -> bb8; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
}
bb7: {
- StorageLive(_21); // scope 1 at $DIR/slice_filter.rs:+0:70: +0:76
- StorageLive(_15); // scope 1 at $DIR/slice_filter.rs:+0:70: +0:76
- StorageLive(_16); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- _16 = _6; // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- _33 = deref_copy _4; // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:70: +0:76
StorageLive(_22); // scope 1 at $DIR/slice_filter.rs:+0:70: +0:71
StorageLive(_23); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- StorageLive(_24); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- _24 = _6; // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- _41 = deref_copy _4; // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+ _41 = deref_copy _15; // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
_42 = deref_copy _24; // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_43); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
_43 = (*_41); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_44); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
_44 = (*_42); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
- _21 = Le(move _43, move _44); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ _0 = Le(move _43, move _44); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_44); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_43); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
- StorageDead(_24); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+ _33 = deref_copy _11; // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
_34 = deref_copy _16; // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_35); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
_35 = (*_33); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageLive(_36); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
_36 = (*_34); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
- _15 = Le(move _35, move _36); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ _0 = Le(move _35, move _36); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_36); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_35); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
- StorageDead(_16); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- _12 = move _15; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
StorageDead(_23); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
StorageDead(_22); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- _16 = move _21; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
goto -> bb8; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
}
bb8: {
- StorageDead(_21); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- StorageDead(_15); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
StorageDead(_17); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- _0 = move _16; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
StorageDead(_13); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- _0 = move _12; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
+ nop; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
goto -> bb3; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:76
}

72
tests/mir-opt/slice_filter.variant_a-{closure#0}.ReferencePropagation.diff
View file

@ -43,8 +43,10 @@
debug c => _5; // in scope 1 at $DIR/slice_filter.rs:+0:33: +0:34
debug d => _6; // in scope 1 at $DIR/slice_filter.rs:+0:36: +0:37
scope 2 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:40: 8:46
debug self => _9; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _10; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug self => _9; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug other => _10; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug self => &_3; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug other => &_11; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _29: &usize; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _30: &usize; // in scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
scope 3 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
@ -55,8 +57,10 @@
}
}
scope 4 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:60: 8:66
debug self => _18; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _19; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug self => _18; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug other => _19; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug self => &_5; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug other => &_20; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _35: &usize; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _36: &usize; // in scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
scope 5 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
@ -67,8 +71,10 @@
}
}
scope 6 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:50: 8:56
debug self => _13; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _14; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug self => _13; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug other => _14; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug self => &_6; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug other => &_15; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _41: &usize; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _42: &usize; // in scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
scope 7 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
@ -79,8 +85,10 @@
}
}
scope 8 (inlined cmp::impls::<impl PartialOrd for &usize>::le) { // at $DIR/slice_filter.rs:8:70: 8:76
debug self => _22; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
debug other => _23; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug self => _22; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
- debug other => _23; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug self => &_4; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ debug other => &_24; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _47: &usize; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
let mut _48: &usize; // in scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
scope 9 (inlined cmp::impls::<impl PartialOrd for usize>::le) { // at $SRC_DIR/core/src/cmp.rs:LL:COL
@ -107,12 +115,12 @@
_6 = &((*_28).3: usize); // scope 0 at $DIR/slice_filter.rs:+0:36: +0:37
StorageLive(_7); // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
StorageLive(_8); // scope 1 at $DIR/slice_filter.rs:+0:40: +0:46
StorageLive(_9); // scope 1 at $DIR/slice_filter.rs:+0:40: +0:41
_9 = &_3; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:41
StorageLive(_10); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
- StorageLive(_9); // scope 1 at $DIR/slice_filter.rs:+0:40: +0:41
- _9 = &_3; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:41
- StorageLive(_10); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
StorageLive(_11); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
_11 = _5; // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
_10 = &_11; // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
- _10 = &_11; // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
- _29 = deref_copy (*_9); // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
- _30 = deref_copy (*_10); // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ _29 = deref_copy _3; // scope 2 at $SRC_DIR/core/src/cmp.rs:LL:COL
@ -125,8 +133,8 @@
StorageDead(_34); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_33); // scope 3 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_11); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
StorageDead(_10); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
StorageDead(_9); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
- StorageDead(_10); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
- StorageDead(_9); // scope 1 at $DIR/slice_filter.rs:+0:45: +0:46
switchInt(move _8) -> [0: bb4, otherwise: bb5]; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
}
@ -138,12 +146,12 @@
bb2: {
StorageLive(_16); // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
StorageLive(_17); // scope 1 at $DIR/slice_filter.rs:+0:60: +0:66
StorageLive(_18); // scope 1 at $DIR/slice_filter.rs:+0:60: +0:61
_18 = &_5; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:61
StorageLive(_19); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
- StorageLive(_18); // scope 1 at $DIR/slice_filter.rs:+0:60: +0:61
- _18 = &_5; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:61
- StorageLive(_19); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
StorageLive(_20); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
_20 = _3; // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
_19 = &_20; // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
- _19 = &_20; // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
- _35 = deref_copy (*_18); // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
- _36 = deref_copy (*_19); // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ _35 = deref_copy _5; // scope 4 at $SRC_DIR/core/src/cmp.rs:LL:COL
@ -156,8 +164,8 @@
StorageDead(_40); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_39); // scope 5 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_20); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
StorageDead(_19); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
StorageDead(_18); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
- StorageDead(_19); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
- StorageDead(_18); // scope 1 at $DIR/slice_filter.rs:+0:65: +0:66
switchInt(move _17) -> [0: bb6, otherwise: bb7]; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
}
@ -180,12 +188,12 @@
bb5: {
StorageLive(_12); // scope 1 at $DIR/slice_filter.rs:+0:50: +0:56
StorageLive(_13); // scope 1 at $DIR/slice_filter.rs:+0:50: +0:51
_13 = &_6; // scope 1 at $DIR/slice_filter.rs:+0:50: +0:51
StorageLive(_14); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- StorageLive(_13); // scope 1 at $DIR/slice_filter.rs:+0:50: +0:51
- _13 = &_6; // scope 1 at $DIR/slice_filter.rs:+0:50: +0:51
- StorageLive(_14); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
StorageLive(_15); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
_15 = _4; // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
_14 = &_15; // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- _14 = &_15; // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- _41 = deref_copy (*_13); // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
- _42 = deref_copy (*_14); // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ _41 = deref_copy _6; // scope 6 at $SRC_DIR/core/src/cmp.rs:LL:COL
@ -198,8 +206,8 @@
StorageDead(_46); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_45); // scope 7 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_15); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
StorageDead(_14); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
StorageDead(_13); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- StorageDead(_14); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
- StorageDead(_13); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
_7 = move _12; // scope 1 at $DIR/slice_filter.rs:+0:40: +0:56
StorageDead(_12); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
StorageDead(_8); // scope 1 at $DIR/slice_filter.rs:+0:55: +0:56
@ -213,12 +221,12 @@
bb7: {
StorageLive(_21); // scope 1 at $DIR/slice_filter.rs:+0:70: +0:76
StorageLive(_22); // scope 1 at $DIR/slice_filter.rs:+0:70: +0:71
_22 = &_4; // scope 1 at $DIR/slice_filter.rs:+0:70: +0:71
StorageLive(_23); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- StorageLive(_22); // scope 1 at $DIR/slice_filter.rs:+0:70: +0:71
- _22 = &_4; // scope 1 at $DIR/slice_filter.rs:+0:70: +0:71
- StorageLive(_23); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
StorageLive(_24); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
_24 = _6; // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
_23 = &_24; // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- _23 = &_24; // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- _47 = deref_copy (*_22); // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
- _48 = deref_copy (*_23); // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
+ _47 = deref_copy _4; // scope 8 at $SRC_DIR/core/src/cmp.rs:LL:COL
@ -231,8 +239,8 @@
StorageDead(_52); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_51); // scope 9 at $SRC_DIR/core/src/cmp.rs:LL:COL
StorageDead(_24); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
StorageDead(_23); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
StorageDead(_22); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- StorageDead(_23); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
- StorageDead(_22); // scope 1 at $DIR/slice_filter.rs:+0:75: +0:76
_16 = move _21; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
goto -> bb8; // scope 1 at $DIR/slice_filter.rs:+0:60: +0:76
}

5
tests/mir-opt/uninhabited_enum.process_void.SimplifyLocals-final.after.mir
View file

@ -3,16 +3,13 @@
fn process_void(_1: *const Void) -> () {
debug input => _1; // in scope 0 at $DIR/uninhabited_enum.rs:+0:21: +0:26
let mut _0: (); // return place in scope 0 at $DIR/uninhabited_enum.rs:+0:41: +0:41
let _2: &Void; // in scope 0 at $DIR/uninhabited_enum.rs:+1:8: +1:14
scope 1 {
debug _input => _2; // in scope 1 at $DIR/uninhabited_enum.rs:+1:8: +1:14
debug _input => _1; // in scope 1 at $DIR/uninhabited_enum.rs:+1:8: +1:14
}
scope 2 {
}
bb0: {
StorageLive(_2); // scope 0 at $DIR/uninhabited_enum.rs:+1:8: +1:14
StorageDead(_2); // scope 0 at $DIR/uninhabited_enum.rs:+4:1: +4:2
return; // scope 0 at $DIR/uninhabited_enum.rs:+4:2: +4:2
}
}