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| author | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-05 09:13:28 +0100 | 
|---|---|---|
| committer | Albert Larsan <74931857+albertlarsan68@users.noreply.github.com> | 2023-01-11 09:32:08 +0000 | 
| commit | cf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch) | |
| tree | 40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/codegen/enum-bounds-check-derived-idx.rs | |
| parent | ca855e6e42787ecd062d81d53336fe6788ef51a9 (diff) | |
| download | rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip | |
Move /src/test to /tests
Diffstat (limited to 'tests/codegen/enum-bounds-check-derived-idx.rs')
| -rw-r--r-- | tests/codegen/enum-bounds-check-derived-idx.rs | 24 | 
1 files changed, 24 insertions, 0 deletions
| diff --git a/tests/codegen/enum-bounds-check-derived-idx.rs b/tests/codegen/enum-bounds-check-derived-idx.rs new file mode 100644 index 00000000000..aa66c2ed08e --- /dev/null +++ b/tests/codegen/enum-bounds-check-derived-idx.rs @@ -0,0 +1,24 @@ +// This test checks an optimization that is not guaranteed to work. This test case should not block +// a future LLVM update. +// compile-flags: -O + +#![crate_type = "lib"] + +pub enum Bar { + A = 1, + B = 3, +} + +// CHECK-LABEL: @lookup_inc +#[no_mangle] +pub fn lookup_inc(buf: &[u8; 5], f: Bar) -> u8 { + // CHECK-NOT: panic_bounds_check + buf[f as usize + 1] +} + +// CHECK-LABEL: @lookup_dec +#[no_mangle] +pub fn lookup_dec(buf: &[u8; 5], f: Bar) -> u8 { + // CHECK-NOT: panic_bounds_check + buf[f as usize - 1] +} | 
