bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

rename mir::Constant -> mir::ConstOperand, mir::ConstKind -> mir::Const

Browse source
This commit is contained in:
Ralf Jung 2023-09-20 20:51:14 +02:00
parent a2374e65aa
commit c94410c145
72 changed files with 430 additions and 449 deletions
Download patch file Download diff file Expand all files Collapse all files

6
compiler/rustc_mir_build/src/build/cfg.rs
View file

@ -49,7 +49,7 @@ impl<'tcx> CFG<'tcx> {
block: BasicBlock,
source_info: SourceInfo,
temp: Place<'tcx>,
constant: Constant<'tcx>,
constant: ConstOperand<'tcx>,
) {
self.push_assign(
block,
@ -70,10 +70,10 @@ impl<'tcx> CFG<'tcx> {
block,
source_info,
place,
Rvalue::Use(Operand::Constant(Box::new(Constant {
Rvalue::Use(Operand::Constant(Box::new(ConstOperand {
span: source_info.span,
user_ty: None,
literal: ConstantKind::zero_sized(tcx.types.unit),
const_: Const::zero_sized(tcx.types.unit),
}))),
);
}

8
compiler/rustc_mir_build/src/build/custom/parse/instruction.rs
View file

@ -283,12 +283,12 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> {
ExprKind::StaticRef { alloc_id, ty, .. } => {
let const_val =
ConstValue::Scalar(Scalar::from_pointer((*alloc_id).into(), &self.tcx));
let literal = ConstantKind::Val(const_val, *ty);
let const_ = Const::Val(const_val, *ty);
Ok(Operand::Constant(Box::new(Constant {
Ok(Operand::Constant(Box::new(ConstOperand {
span: expr.span,
user_ty: None,
literal
const_
})))
},
)
@ -301,7 +301,7 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> {
| ExprKind::NonHirLiteral { .. }
| ExprKind::ConstBlock { .. } => Ok({
let value = as_constant_inner(expr, |_| None, self.tcx);
value.literal.eval_bits(self.tcx, self.param_env)
value.const_.eval_bits(self.tcx, self.param_env)
}),
)
}

54
compiler/rustc_mir_build/src/build/expr/as_constant.rs
View file

@ -15,7 +15,7 @@ use rustc_target::abi::Size;
impl<'a, 'tcx> Builder<'a, 'tcx> {
/// Compile `expr`, yielding a compile-time constant. Assumes that
/// `expr` is a valid compile-time constant!
pub(crate) fn as_constant(&mut self, expr: &Expr<'tcx>) -> Constant<'tcx> {
pub(crate) fn as_constant(&mut self, expr: &Expr<'tcx>) -> ConstOperand<'tcx> {
let this = self;
let tcx = this.tcx;
let Expr { ty, temp_lifetime: _, span, ref kind } = *expr;
@ -42,62 +42,62 @@ pub fn as_constant_inner<'tcx>(
expr: &Expr<'tcx>,
push_cuta: impl FnMut(&Box<CanonicalUserType<'tcx>>) -> Option<UserTypeAnnotationIndex>,
tcx: TyCtxt<'tcx>,
) -> Constant<'tcx> {
) -> ConstOperand<'tcx> {
let Expr { ty, temp_lifetime: _, span, ref kind } = *expr;
match *kind {
ExprKind::Literal { lit, neg } => {
let literal =
match lit_to_mir_constant(tcx, LitToConstInput { lit: &lit.node, ty, neg }) {
Ok(c) => c,
Err(LitToConstError::Reported(guar)) => {
ConstantKind::Ty(ty::Const::new_error(tcx, guar, ty))
}
Err(LitToConstError::TypeError) => {
bug!("encountered type error in `lit_to_mir_constant`")
}
};
let const_ = match lit_to_mir_constant(tcx, LitToConstInput { lit: &lit.node, ty, neg })
{
Ok(c) => c,
Err(LitToConstError::Reported(guar)) => {
Const::Ty(ty::Const::new_error(tcx, guar, ty))
}
Err(LitToConstError::TypeError) => {
bug!("encountered type error in `lit_to_mir_constant`")
}
};
Constant { span, user_ty: None, literal }
ConstOperand { span, user_ty: None, const_ }
}
ExprKind::NonHirLiteral { lit, ref user_ty } => {
let user_ty = user_ty.as_ref().and_then(push_cuta);
let literal = ConstantKind::Val(ConstValue::Scalar(Scalar::Int(lit)), ty);
let const_ = Const::Val(ConstValue::Scalar(Scalar::Int(lit)), ty);
Constant { span, user_ty, literal }
ConstOperand { span, user_ty, const_ }
}
ExprKind::ZstLiteral { ref user_ty } => {
let user_ty = user_ty.as_ref().and_then(push_cuta);
let literal = ConstantKind::Val(ConstValue::ZeroSized, ty);
let const_ = Const::Val(ConstValue::ZeroSized, ty);
Constant { span, user_ty, literal }
ConstOperand { span, user_ty, const_ }
}
ExprKind::NamedConst { def_id, args, ref user_ty } => {
let user_ty = user_ty.as_ref().and_then(push_cuta);
let uneval = mir::UnevaluatedConst::new(def_id, args);
let literal = ConstantKind::Unevaluated(uneval, ty);
let const_ = Const::Unevaluated(uneval, ty);
Constant { user_ty, span, literal }
ConstOperand { user_ty, span, const_ }
}
ExprKind::ConstParam { param, def_id: _ } => {
let const_param = ty::Const::new_param(tcx, param, expr.ty);
let literal = ConstantKind::Ty(const_param);
let const_ = Const::Ty(const_param);
Constant { user_ty: None, span, literal }
ConstOperand { user_ty: None, span, const_ }
}
ExprKind::ConstBlock { did: def_id, args } => {
let uneval = mir::UnevaluatedConst::new(def_id, args);
let literal = ConstantKind::Unevaluated(uneval, ty);
let const_ = Const::Unevaluated(uneval, ty);
Constant { user_ty: None, span, literal }
ConstOperand { user_ty: None, span, const_ }
}
ExprKind::StaticRef { alloc_id, ty, .. } => {
let const_val = ConstValue::Scalar(Scalar::from_pointer(alloc_id.into(), &tcx));
let literal = ConstantKind::Val(const_val, ty);
let const_ = Const::Val(const_val, ty);
Constant { span, user_ty: None, literal }
ConstOperand { span, user_ty: None, const_ }
}
_ => span_bug!(span, "expression is not a valid constant {:?}", kind),
}
@ -107,7 +107,7 @@ pub fn as_constant_inner<'tcx>(
fn lit_to_mir_constant<'tcx>(
tcx: TyCtxt<'tcx>,
lit_input: LitToConstInput<'tcx>,
) -> Result<ConstantKind<'tcx>, LitToConstError> {
) -> Result<Const<'tcx>, LitToConstError> {
let LitToConstInput { lit, ty, neg } = lit_input;
let trunc = |n| {
let param_ty = ty::ParamEnv::reveal_all().and(ty);
@ -173,5 +173,5 @@ fn lit_to_mir_constant<'tcx>(
_ => return Err(LitToConstError::TypeError),
};
Ok(ConstantKind::Val(value, ty))
Ok(Const::Val(value, ty))
}

10
compiler/rustc_mir_build/src/build/expr/as_rvalue.rs
View file

@ -249,7 +249,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
let mut comparer = |range: u128, bin_op: BinOp| -> Place<'tcx> {
let range_val =
ConstantKind::from_bits(this.tcx, range, ty::ParamEnv::empty().and(unsigned_ty));
Const::from_bits(this.tcx, range, ty::ParamEnv::empty().and(unsigned_ty));
let lit_op = this.literal_operand(expr.span, range_val);
let is_bin_op = this.temp(bool_ty, expr_span);
this.cfg.push_assign(
@ -485,10 +485,10 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
}
ExprKind::Assign { .. } | ExprKind::AssignOp { .. } => {
block = unpack!(this.stmt_expr(block, expr, None));
block.and(Rvalue::Use(Operand::Constant(Box::new(Constant {
block.and(Rvalue::Use(Operand::Constant(Box::new(ConstOperand {
span: expr_span,
user_ty: None,
literal: ConstantKind::zero_sized(this.tcx.types.unit),
const_: Const::zero_sized(this.tcx.types.unit),
}))))
}
@ -817,7 +817,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
fn neg_1_literal(&mut self, span: Span, ty: Ty<'tcx>) -> Operand<'tcx> {
let param_ty = ty::ParamEnv::empty().and(ty);
let size = self.tcx.layout_of(param_ty).unwrap().size;
let literal = ConstantKind::from_bits(self.tcx, size.unsigned_int_max(), param_ty);
let literal = Const::from_bits(self.tcx, size.unsigned_int_max(), param_ty);
self.literal_operand(span, literal)
}
@ -828,7 +828,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
let param_ty = ty::ParamEnv::empty().and(ty);
let bits = self.tcx.layout_of(param_ty).unwrap().size.bits();
let n = 1 << (bits - 1);
let literal = ConstantKind::from_bits(self.tcx, n, param_ty);
let literal = Const::from_bits(self.tcx, n, param_ty);
self.literal_operand(span, literal)
}

24
compiler/rustc_mir_build/src/build/expr/into.rs
View file

@ -114,10 +114,10 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
true_block,
source_info,
destination,
Constant {
ConstOperand {
span: expr_span,
user_ty: None,
literal: ConstantKind::from_bool(this.tcx, true),
const_: Const::from_bool(this.tcx, true),
},
);
@ -125,10 +125,10 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
false_block,
source_info,
destination,
Constant {
ConstOperand {
span: expr_span,
user_ty: None,
literal: ConstantKind::from_bool(this.tcx, false),
const_: Const::from_bool(this.tcx, false),
},
);
@ -186,10 +186,10 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
short_circuit,
source_info,
destination,
Constant {
ConstOperand {
span: expr.span,
user_ty: None,
literal: ConstantKind::from_bool(this.tcx, constant),
const_: Const::from_bool(this.tcx, constant),
},
);
let rhs = unpack!(this.expr_into_dest(destination, continuation, &this.thir[rhs]));
@ -433,12 +433,20 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
}
thir::InlineAsmOperand::Const { value, span } => {
mir::InlineAsmOperand::Const {
value: Box::new(Constant { span, user_ty: None, literal: value }),
value: Box::new(ConstOperand {
span,
user_ty: None,
const_: value,
}),
}
}
thir::InlineAsmOperand::SymFn { value, span } => {
mir::InlineAsmOperand::SymFn {
value: Box::new(Constant { span, user_ty: None, literal: value }),
value: Box::new(ConstOperand {
span,
user_ty: None,
const_: value,
}),
}
}
thir::InlineAsmOperand::SymStatic { def_id } => {

4
compiler/rustc_mir_build/src/build/matches/mod.rs
View file

@ -1005,13 +1005,13 @@ enum TestKind<'tcx> {
///
/// For `bool` we always generate two edges, one for `true` and one for
/// `false`.
options: FxIndexMap<ConstantKind<'tcx>, u128>,
options: FxIndexMap<Const<'tcx>, u128>,
},
/// Test for equality with value, possibly after an unsizing coercion to
/// `ty`,
Eq {
value: ConstantKind<'tcx>,
value: Const<'tcx>,
// Integer types are handled by `SwitchInt`, and constants with ADT
// types are converted back into patterns, so this can only be `&str`,
// `&[T]`, `f32` or `f64`.

24
compiler/rustc_mir_build/src/build/matches/test.rs
View file

@ -85,7 +85,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
&mut self,
test_place: &PlaceBuilder<'tcx>,
candidate: &Candidate<'pat, 'tcx>,
options: &mut FxIndexMap<ConstantKind<'tcx>, u128>,
options: &mut FxIndexMap<Const<'tcx>, u128>,
) -> bool {
let Some(match_pair) = candidate.match_pairs.iter().find(|mp| mp.place == *test_place)
else {
@ -252,10 +252,10 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
block,
source_info,
TerminatorKind::Call {
func: Operand::Constant(Box::new(Constant {
func: Operand::Constant(Box::new(ConstOperand {
span: test.span,
user_ty: None,
literal: method,
const_: method,
})),
args: vec![Operand::Move(ref_string)],
destination: ref_str,
@ -385,7 +385,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
block: BasicBlock,
make_target_blocks: impl FnOnce(&mut Self) -> Vec<BasicBlock>,
source_info: SourceInfo,
value: ConstantKind<'tcx>,
value: Const<'tcx>,
mut val: Place<'tcx>,
mut ty: Ty<'tcx>,
) {
@ -482,7 +482,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
block,
source_info,
TerminatorKind::Call {
func: Operand::Constant(Box::new(Constant {
func: Operand::Constant(Box::new(ConstOperand {
span: source_info.span,
// FIXME(#54571): This constant comes from user input (a
@ -491,7 +491,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
// Need to experiment.
user_ty: None,
literal: method,
const_: method,
})),
args: vec![Operand::Copy(val), expect],
destination: eq_result,
@ -797,11 +797,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
span_bug!(match_pair.pattern.span, "simplifiable pattern found: {:?}", match_pair.pattern)
}
fn const_range_contains(
&self,
range: &PatRange<'tcx>,
value: ConstantKind<'tcx>,
) -> Option<bool> {
fn const_range_contains(&self, range: &PatRange<'tcx>, value: Const<'tcx>) -> Option<bool> {
use std::cmp::Ordering::*;
// For performance, it's important to only do the second
@ -818,7 +814,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
fn values_not_contained_in_range(
&self,
range: &PatRange<'tcx>,
options: &FxIndexMap<ConstantKind<'tcx>, u128>,
options: &FxIndexMap<Const<'tcx>, u128>,
) -> Option<bool> {
for &val in options.keys() {
if self.const_range_contains(range, val)? {
@ -863,7 +859,7 @@ fn trait_method<'tcx>(
trait_def_id: DefId,
method_name: Symbol,
args: impl IntoIterator<Item: Into<GenericArg<'tcx>>>,
) -> ConstantKind<'tcx> {
) -> Const<'tcx> {
// The unhygienic comparison here is acceptable because this is only
// used on known traits.
let item = tcx
@ -874,5 +870,5 @@ fn trait_method<'tcx>(
let method_ty = Ty::new_fn_def(tcx, item.def_id, args);
ConstantKind::zero_sized(method_ty)
Const::zero_sized(method_ty)
}

14
compiler/rustc_mir_build/src/build/misc.rs
View file

@ -25,19 +25,15 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
/// Convenience function for creating a literal operand, one
/// without any user type annotation.
pub(crate) fn literal_operand(
&mut self,
span: Span,
literal: ConstantKind<'tcx>,
) -> Operand<'tcx> {
let constant = Box::new(Constant { span, user_ty: None, literal });
pub(crate) fn literal_operand(&mut self, span: Span, const_: Const<'tcx>) -> Operand<'tcx> {
let constant = Box::new(ConstOperand { span, user_ty: None, const_ });
Operand::Constant(constant)
}
/// Returns a zero literal operand for the appropriate type, works for
/// bool, char and integers.
pub(crate) fn zero_literal(&mut self, span: Span, ty: Ty<'tcx>) -> Operand<'tcx> {
let literal = ConstantKind::from_bits(self.tcx, 0, ty::ParamEnv::empty().and(ty));
let literal = Const::from_bits(self.tcx, 0, ty::ParamEnv::empty().and(ty));
self.literal_operand(span, literal)
}
@ -54,10 +50,10 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
block,
source_info,
temp,
Constant {
ConstOperand {
span: source_info.span,
user_ty: None,
literal: ConstantKind::from_usize(self.tcx, value),
const_: Const::from_usize(self.tcx, value),
},
);
temp

14
compiler/rustc_mir_build/src/thir/cx/expr.rs
View file

@ -647,21 +647,15 @@ impl<'tcx> Cx<'tcx> {
out_expr: out_expr.map(|expr| self.mirror_expr(expr)),
},
hir::InlineAsmOperand::Const { ref anon_const } => {
let value = mir::ConstantKind::from_anon_const(
tcx,
anon_const.def_id,
self.param_env,
);
let value =
mir::Const::from_anon_const(tcx, anon_const.def_id, self.param_env);
let span = tcx.def_span(anon_const.def_id);
InlineAsmOperand::Const { value, span }
}
hir::InlineAsmOperand::SymFn { ref anon_const } => {
let value = mir::ConstantKind::from_anon_const(
tcx,
anon_const.def_id,
self.param_env,
);
let value =
mir::Const::from_anon_const(tcx, anon_const.def_id, self.param_env);
let span = tcx.def_span(anon_const.def_id);
InlineAsmOperand::SymFn { value, span }

22
compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
View file

@ -27,7 +27,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
#[instrument(level = "debug", skip(self), ret)]
pub(super) fn const_to_pat(
&self,
cv: mir::ConstantKind<'tcx>,
cv: mir::Const<'tcx>,
id: hir::HirId,
span: Span,
check_body_for_struct_match_violation: Option<DefId>,
@ -104,7 +104,7 @@ impl<'tcx> ConstToPat<'tcx> {
fn to_pat(
&mut self,
cv: mir::ConstantKind<'tcx>,
cv: mir::Const<'tcx>,
check_body_for_struct_match_violation: Option<DefId>,
) -> Box<Pat<'tcx>> {
trace!(self.treat_byte_string_as_slice);
@ -124,7 +124,7 @@ impl<'tcx> ConstToPat<'tcx> {
debug!(?check_body_for_struct_match_violation, ?mir_structural_match_violation);
let inlined_const_as_pat = match cv {
mir::ConstantKind::Ty(c) => match c.kind() {
mir::Const::Ty(c) => match c.kind() {
ty::ConstKind::Param(_)
| ty::ConstKind::Infer(_)
| ty::ConstKind::Bound(_, _)
@ -144,10 +144,10 @@ impl<'tcx> ConstToPat<'tcx> {
})
}),
},
mir::ConstantKind::Unevaluated(_, _) => {
mir::Const::Unevaluated(_, _) => {
span_bug!(self.span, "unevaluated const in `to_pat`: {cv:?}")
}
mir::ConstantKind::Val(_, _) => Box::new(Pat {
mir::Const::Val(_, _) => Box::new(Pat {
span: self.span,
ty: cv.ty(),
kind: PatKind::Constant { value: cv },
@ -385,9 +385,9 @@ impl<'tcx> ConstToPat<'tcx> {
ty::Ref(_, pointee_ty, ..) => match *pointee_ty.kind() {
// `&str` is represented as a valtree, let's keep using this
// optimization for now.
ty::Str => PatKind::Constant {
value: mir::ConstantKind::Ty(ty::Const::new_value(tcx, cv, ty)),
},
ty::Str => {
PatKind::Constant { value: mir::Const::Ty(ty::Const::new_value(tcx, cv, ty)) }
}
// Backwards compatibility hack: support references to non-structural types,
// but hard error if we aren't behind a double reference. We could just use
// the fallback code path below, but that would allow *more* of this fishy
@ -445,9 +445,9 @@ impl<'tcx> ConstToPat<'tcx> {
}
}
},
ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) => PatKind::Constant {
value: mir::ConstantKind::Ty(ty::Const::new_value(tcx, cv, ty)),
},
ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) => {
PatKind::Constant { value: mir::Const::Ty(ty::Const::new_value(tcx, cv, ty)) }
}
ty::FnPtr(..) | ty::RawPtr(..) => unreachable!(),
_ => {
self.saw_const_match_error.set(true);

12
compiler/rustc_mir_build/src/thir/pattern/deconstruct_pat.rs
View file

@ -137,12 +137,12 @@ impl IntRange {
fn from_constant<'tcx>(
tcx: TyCtxt<'tcx>,
param_env: ty::ParamEnv<'tcx>,
value: mir::ConstantKind<'tcx>,
value: mir::Const<'tcx>,
) -> Option<IntRange> {
let ty = value.ty();
let (target_size, bias) = Self::integral_size_and_signed_bias(tcx, ty)?;
let val = match value {
mir::ConstantKind::Ty(c) if let ty::ConstKind::Value(valtree) = c.kind() => {
mir::Const::Ty(c) if let ty::ConstKind::Value(valtree) = c.kind() => {
valtree.unwrap_leaf().to_bits(target_size).ok()
},
// This is a more general form of the previous case.
@ -225,8 +225,8 @@ impl IntRange {
let (lo, hi) = (lo ^ bias, hi ^ bias);
let env = ty::ParamEnv::empty().and(ty);
let lo_const = mir::ConstantKind::from_bits(tcx, lo, env);
let hi_const = mir::ConstantKind::from_bits(tcx, hi, env);
let lo_const = mir::Const::from_bits(tcx, lo, env);
let hi_const = mir::Const::from_bits(tcx, hi, env);
let kind = if lo == hi {
PatKind::Constant { value: lo_const }
@ -619,9 +619,9 @@ pub(super) enum Constructor<'tcx> {
/// Ranges of integer literal values (`2`, `2..=5` or `2..5`).
IntRange(IntRange),
/// Ranges of floating-point literal values (`2.0..=5.2`).
FloatRange(mir::ConstantKind<'tcx>, mir::ConstantKind<'tcx>, RangeEnd),
FloatRange(mir::Const<'tcx>, mir::Const<'tcx>, RangeEnd),
/// String literals. Strings are not quite the same as `&[u8]` so we treat them separately.
Str(mir::ConstantKind<'tcx>),
Str(mir::Const<'tcx>),
/// Array and slice patterns.
Slice(Slice),
/// Constants that must not be matched structurally. They are treated as black

34
compiler/rustc_mir_build/src/thir/pattern/mod.rs
View file

@ -20,7 +20,7 @@ use rustc_index::Idx;
use rustc_middle::mir::interpret::{
ErrorHandled, GlobalId, LitToConstError, LitToConstInput, Scalar,
};
use rustc_middle::mir::{self, ConstantKind, UserTypeProjection};
use rustc_middle::mir::{self, Const, UserTypeProjection};
use rustc_middle::mir::{BorrowKind, Mutability};
use rustc_middle::thir::{Ascription, BindingMode, FieldPat, LocalVarId, Pat, PatKind, PatRange};
use rustc_middle::ty::CanonicalUserTypeAnnotation;
@ -100,8 +100,8 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
fn lower_pattern_range(
&mut self,
ty: Ty<'tcx>,
lo: mir::ConstantKind<'tcx>,
hi: mir::ConstantKind<'tcx>,
lo: mir::Const<'tcx>,
hi: mir::Const<'tcx>,
end: RangeEnd,
span: Span,
lo_expr: Option<&hir::Expr<'tcx>>,
@ -191,18 +191,18 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
ty: Ty<'tcx>,
lo: Option<&PatKind<'tcx>>,
hi: Option<&PatKind<'tcx>>,
) -> Option<(mir::ConstantKind<'tcx>, mir::ConstantKind<'tcx>)> {
) -> Option<(mir::Const<'tcx>, mir::Const<'tcx>)> {
match (lo, hi) {
(Some(PatKind::Constant { value: lo }), Some(PatKind::Constant { value: hi })) => {
Some((*lo, *hi))
}
(Some(PatKind::Constant { value: lo }), None) => {
let hi = ty.numeric_max_val(self.tcx)?;
Some((*lo, mir::ConstantKind::from_ty_const(hi, self.tcx)))
Some((*lo, mir::Const::from_ty_const(hi, self.tcx)))
}
(None, Some(PatKind::Constant { value: hi })) => {
let lo = ty.numeric_min_val(self.tcx)?;
Some((mir::ConstantKind::from_ty_const(lo, self.tcx), *hi))
Some((mir::Const::from_ty_const(lo, self.tcx), *hi))
}
_ => None,
}
@ -525,8 +525,8 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
.tcx
.const_eval_global_id_for_typeck(param_env_reveal_all, cid, Some(span))
.map(|val| match val {
Some(valtree) => mir::ConstantKind::Ty(ty::Const::new_value(self.tcx, valtree, ty)),
None => mir::ConstantKind::Val(
Some(valtree) => mir::Const::Ty(ty::Const::new_value(self.tcx, valtree, ty)),
None => mir::Const::Val(
self.tcx
.const_eval_global_id(param_env_reveal_all, cid, Some(span))
.expect("const_eval_global_id_for_typeck should have already failed"),
@ -608,7 +608,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
};
if let Some(lit_input) = lit_input {
match tcx.at(expr.span).lit_to_const(lit_input) {
Ok(c) => return self.const_to_pat(ConstantKind::Ty(c), id, span, None).kind,
Ok(c) => return self.const_to_pat(Const::Ty(c), id, span, None).kind,
// If an error occurred, ignore that it's a literal
// and leave reporting the error up to const eval of
// the unevaluated constant below.
@ -632,7 +632,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
self.tcx.const_eval_resolve_for_typeck(self.param_env, ct, Some(span))
{
self.const_to_pat(
ConstantKind::Ty(ty::Const::new_value(self.tcx, valtree, ty)),
Const::Ty(ty::Const::new_value(self.tcx, valtree, ty)),
id,
span,
None,
@ -641,7 +641,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
} else {
// If that fails, convert it to an opaque constant pattern.
match tcx.const_eval_resolve(self.param_env, uneval, Some(span)) {
Ok(val) => self.const_to_pat(mir::ConstantKind::Val(val, ty), id, span, None).kind,
Ok(val) => self.const_to_pat(mir::Const::Val(val, ty), id, span, None).kind,
Err(ErrorHandled::TooGeneric(_)) => {
// If we land here it means the const can't be evaluated because it's `TooGeneric`.
self.tcx.sess.emit_err(ConstPatternDependsOnGenericParameter { span });
@ -678,7 +678,7 @@ impl<'a, 'tcx> PatCtxt<'a, 'tcx> {
LitToConstInput { lit: &lit.node, ty: self.typeck_results.expr_ty(expr), neg };
match self.tcx.at(expr.span).lit_to_const(lit_input) {
Ok(constant) => {
self.const_to_pat(ConstantKind::Ty(constant), expr.hir_id, lit.span, None).kind
self.const_to_pat(Const::Ty(constant), expr.hir_id, lit.span, None).kind
}
Err(LitToConstError::Reported(_)) => PatKind::Wild,
Err(LitToConstError::TypeError) => bug!("lower_lit: had type error"),
@ -838,8 +838,8 @@ impl<'tcx> PatternFoldable<'tcx> for PatKind<'tcx> {
#[instrument(skip(tcx), level = "debug")]
pub(crate) fn compare_const_vals<'tcx>(
tcx: TyCtxt<'tcx>,
a: mir::ConstantKind<'tcx>,
b: mir::ConstantKind<'tcx>,
a: mir::Const<'tcx>,
b: mir::Const<'tcx>,
param_env: ty::ParamEnv<'tcx>,
) -> Option<Ordering> {
assert_eq!(a.ty(), b.ty());
@ -855,10 +855,10 @@ pub(crate) fn compare_const_vals<'tcx>(
ty::Float(_) | ty::Int(_) => {} // require special handling, see below
_ => match (a, b) {
(
mir::ConstantKind::Val(mir::ConstValue::Scalar(Scalar::Int(a)), _a_ty),
mir::ConstantKind::Val(mir::ConstValue::Scalar(Scalar::Int(b)), _b_ty),
mir::Const::Val(mir::ConstValue::Scalar(Scalar::Int(a)), _a_ty),
mir::Const::Val(mir::ConstValue::Scalar(Scalar::Int(b)), _b_ty),
) => return Some(a.cmp(&b)),
(mir::ConstantKind::Ty(a), mir::ConstantKind::Ty(b)) => {
(mir::Const::Ty(a), mir::Const::Ty(b)) => {
return Some(a.kind().cmp(&b.kind()));
}
_ => {}