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| author | Erik Desjardins <erikdesjardins@users.noreply.github.com> | 2020-08-20 18:59:52 -0400 |
|---|---|---|
| committer | Erik Desjardins <erikdesjardins@users.noreply.github.com> | 2020-08-30 14:58:03 -0400 |
| commit | 24e0913e37cc6fc363b37d13bf519db212f175a2 (patch) | |
| tree | 822e4cafc7346bc9497c1b2025195a48590107bd /src/test/codegen/zst-offset.rs | |
| parent | 6fc1d8bc13124bb134d7ab54e56237821a55912e (diff) | |
| download | rust-24e0913e37cc6fc363b37d13bf519db212f175a2.tar.gz rust-24e0913e37cc6fc363b37d13bf519db212f175a2.zip | |
handle vector layout
Diffstat (limited to 'src/test/codegen/zst-offset.rs')
| -rw-r--r-- | src/test/codegen/zst-offset.rs | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/codegen/zst-offset.rs b/src/test/codegen/zst-offset.rs index 3c63cddccad..0c015fca325 100644 --- a/src/test/codegen/zst-offset.rs +++ b/src/test/codegen/zst-offset.rs @@ -1,6 +1,7 @@ // compile-flags: -C no-prepopulate-passes #![crate_type = "lib"] +#![feature(repr_simd)] // Hack to get the correct size for the length part in slices // CHECK: @helper([[USIZE:i[0-9]+]] %_1) @@ -27,3 +28,16 @@ pub fn scalarpair_layout(s: &(u64, u32, ())) { let x = &s.2; &x; // keep variable in an alloca } + +#[repr(simd)] +pub struct U64x4(u64, u64, u64, u64); + +// Check that we correctly generate a GEP for a ZST that is not included in Vector layout +// CHECK-LABEL: @vector_layout +#[no_mangle] +pub fn vector_layout(s: &(U64x4, ())) { +// CHECK: [[X0:%[0-9]+]] = bitcast <4 x i64>* %s to i8* +// CHECK-NEXT: [[X1:%[0-9]+]] = getelementptr i8, i8* [[X0]], [[USIZE]] 32 + let x = &s.1; + &x; // keep variable in an alloca +} |