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| author | bors <bors@rust-lang.org> | 2022-12-04 20:05:32 +0000 |
|---|---|---|
| committer | bors <bors@rust-lang.org> | 2022-12-04 20:05:32 +0000 |
| commit | 53e4b9dd74c29cc9308b8d0f10facac70bb101a7 (patch) | |
| tree | b770ff68bf5b62e8a8171b4f0511ce48762a6d69 /src/test/codegen | |
| parent | 0f0d5d716a00c1f29cfbf240e12bdccc4f9b9a94 (diff) | |
| parent | 31c0645b9d2539f47eecb096142474b29dc542f7 (diff) | |
| download | rust-53e4b9dd74c29cc9308b8d0f10facac70bb101a7.tar.gz rust-53e4b9dd74c29cc9308b8d0f10facac70bb101a7.zip | |
Auto merge of #104535 - mikebenfield:discr-fix, r=pnkfelix
rustc_codegen_ssa: Fix for codegen_get_discr When doing the optimized implementation of getting the discriminant, the arithmetic needs to be done in the tag type so wrapping behavior works correctly. Fixes #104519
Diffstat (limited to 'src/test/codegen')
| -rw-r--r-- | src/test/codegen/enum-match.rs | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/src/test/codegen/enum-match.rs b/src/test/codegen/enum-match.rs index efab189fd7b..44f1b408d21 100644 --- a/src/test/codegen/enum-match.rs +++ b/src/test/codegen/enum-match.rs @@ -34,11 +34,8 @@ pub enum Enum1 { // CHECK: define i8 @match1{{.*}} // CHECK-NEXT: start: -// CHECK-NEXT: %1 = icmp ugt i8 %0, 1 -// CHECK-NEXT: %2 = zext i8 %0 to i64 -// CHECK-NEXT: %3 = add nsw i64 %2, -1 -// CHECK-NEXT: %_2 = select i1 %1, i64 %3, i64 0 -// CHECK-NEXT: switch i64 %_2, label {{.*}} [ +// CHECK-NEXT: %1 = {{.*}}call i8 @llvm.usub.sat.i8(i8 %0, i8 1) +// CHECK-NEXT: switch i8 %1, label {{.*}} [ #[no_mangle] pub fn match1(e: Enum1) -> u8 { use Enum1::*; |