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Deduplicate operand creation between scalars, non-scalars and string patterns

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This commit is contained in:
Oli Scherer 2025-01-27 10:17:03 +00:00
parent 633a3fe36d
commit a9213c27ad
1 changed files with 11 additions and 8 deletions
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19
compiler/rustc_mir_build/src/builder/matches/test.rs
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@ -145,6 +145,9 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
let tcx = self.tcx;
let success_block = target_block(TestBranch::Success);
let fail_block = target_block(TestBranch::Failure);
let expect_ty = value.ty();
let expect = self.literal_operand(test.span, value);
if let ty::Adt(def, _) = ty.kind()
&& tcx.is_lang_item(def.did(), LangItem::String)
{
@ -173,7 +176,8 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
success_block,
fail_block,
source_info,
value,
expect,
expect_ty,
ref_str,
ref_str_ty,
);
@ -185,13 +189,13 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
success_block,
fail_block,
source_info,
value,
expect,
expect_ty,
place,
ty,
);
} else {
assert_eq!(value.ty(), ty);
let expect = self.literal_operand(test.span, value);
assert_eq!(expect_ty, ty);
let val = Operand::Copy(place);
self.compare(
block,
@ -371,12 +375,11 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
success_block: BasicBlock,
fail_block: BasicBlock,
source_info: SourceInfo,
value: Const<'tcx>,
mut expect: Operand<'tcx>,
expect_ty: Ty<'tcx>,
mut val: Place<'tcx>,
mut ty: Ty<'tcx>,
) {
let mut expect = self.literal_operand(source_info.span, value);
// If we're using `b"..."` as a pattern, we need to insert an
// unsizing coercion, as the byte string has the type `&[u8; N]`.
//
@ -391,7 +394,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> {
_ => None,
};
let opt_ref_ty = unsize(ty);
let opt_ref_test_ty = unsize(value.ty());
let opt_ref_test_ty = unsize(expect_ty);
match (opt_ref_ty, opt_ref_test_ty) {
// nothing to do, neither is an array
(None, None) => {}