bjoernager/rust
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BasicBlock::new(0) -> START_BLOCK [no functional changes]

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This commit is contained in:
Scott McMurray 2023-02-16 18:46:25 -08:00
parent 5348a89a77
commit c946494c34
6 changed files with 12 additions and 12 deletions
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6
compiler/rustc_mir_transform/src/dest_prop.rs
View file

@ -136,8 +136,8 @@ use rustc_index::bit_set::BitSet;
use rustc_middle::mir::visit::{MutVisitor, PlaceContext, Visitor};
use rustc_middle::mir::{dump_mir, PassWhere};
use rustc_middle::mir::{
traversal, BasicBlock, Body, InlineAsmOperand, Local, LocalKind, Location, Operand, Place,
Rvalue, Statement, StatementKind, TerminatorKind,
traversal, Body, InlineAsmOperand, Local, LocalKind, Location, Operand, Place, Rvalue,
Statement, StatementKind, TerminatorKind,
};
use rustc_middle::ty::TyCtxt;
use rustc_mir_dataflow::impls::MaybeLiveLocals;
@ -468,7 +468,7 @@ impl<'a, 'body, 'alloc, 'tcx> FilterInformation<'a, 'body, 'alloc, 'tcx> {
// to reuse the allocation.
write_info: write_info_alloc,
// Doesn't matter what we put here, will be overwritten before being used
at: Location { block: BasicBlock::from_u32(0), statement_index: 0 },
at: Location::START,
};
this.internal_filter_liveness();
}

6
compiler/rustc_mir_transform/src/generator.rs
View file

@ -487,7 +487,7 @@ fn transform_async_context<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) {
let get_context_def_id = tcx.require_lang_item(LangItem::GetContext, None);
for bb in BasicBlock::new(0)..body.basic_blocks.next_index() {
for bb in START_BLOCK..body.basic_blocks.next_index() {
let bb_data = &body[bb];
if bb_data.is_cleanup {
continue;
@ -1255,7 +1255,7 @@ fn create_generator_resume_function<'tcx>(
use rustc_middle::mir::AssertKind::{ResumedAfterPanic, ResumedAfterReturn};
// Jump to the entry point on the unresumed
cases.insert(0, (UNRESUMED, BasicBlock::new(0)));
cases.insert(0, (UNRESUMED, START_BLOCK));
// Panic when resumed on the returned or poisoned state
let generator_kind = body.generator_kind().unwrap();
@ -1481,7 +1481,7 @@ impl<'tcx> MirPass<'tcx> for StateTransform {
// When first entering the generator, move the resume argument into its new local.
let source_info = SourceInfo::outermost(body.span);
let stmts = &mut body.basic_blocks_mut()[BasicBlock::new(0)].statements;
let stmts = &mut body.basic_blocks_mut()[START_BLOCK].statements;
stmts.insert(
0,
Statement {

2
compiler/rustc_mir_transform/src/inline.rs
View file

@ -96,7 +96,7 @@ fn inline<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) -> bool {
history: Vec::new(),
changed: false,
};
let blocks = BasicBlock::new(0)..body.basic_blocks.next_index();
let blocks = START_BLOCK..body.basic_blocks.next_index();
this.process_blocks(body, blocks);
this.changed
}

2
compiler/rustc_mir_transform/src/simplify.rs
View file

@ -496,7 +496,7 @@ impl UsedLocals {
self.increment = false;
// The location of the statement is irrelevant.
let location = Location { block: START_BLOCK, statement_index: 0 };
let location = Location::START;
self.visit_statement(statement, location);
}