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| author | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-21 14:34:12 +0200 |
|---|---|---|
| committer | Guillaume Gomez <guillaume1.gomez@gmail.com> | 2025-07-22 14:28:48 +0200 |
| commit | a27f3e3fd1e4d16160f8885b6b06665b5319f56c (patch) | |
| tree | b033935392cbadf6f85d2dbddf433a88e323aeeb /tests/codegen-llvm/enum/enum-bounds-check-issue-82871.rs | |
| parent | ed93c1783b404d728d4809973a0550eb33cd293f (diff) | |
| download | rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.tar.gz rust-a27f3e3fd1e4d16160f8885b6b06665b5319f56c.zip | |
Rename `tests/codegen` into `tests/codegen-llvm`
Diffstat (limited to 'tests/codegen-llvm/enum/enum-bounds-check-issue-82871.rs')
| -rw-r--r-- | tests/codegen-llvm/enum/enum-bounds-check-issue-82871.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/codegen-llvm/enum/enum-bounds-check-issue-82871.rs b/tests/codegen-llvm/enum/enum-bounds-check-issue-82871.rs new file mode 100644 index 00000000000..3b8a146838a --- /dev/null +++ b/tests/codegen-llvm/enum/enum-bounds-check-issue-82871.rs @@ -0,0 +1,18 @@ +//@ compile-flags: -C opt-level=0 + +#![crate_type = "lib"] + +#[repr(C)] +pub enum E { + A, +} + +// CHECK-LABEL: @index +#[no_mangle] +pub fn index(x: &[u32; 3], ind: E) -> u32 { + // Canary: we should be able to optimize out the bounds check, but we need + // to track the range of the discriminant result in order to be able to do that. + // oli-obk tried to add that, but that caused miscompilations all over the place. + // CHECK: panic_bounds_check + x[ind as usize] +} |
