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Add testcase for proper LLVM representation of SIMD types.

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Testcase to make sure that no 0-sized padding is inserted in structs and that structs are represented as expected by Neon intrinsics in LLVM.
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Hans Kratz 2021-07-21 13:20:35 +02:00
parent 50be80b22d
commit 4a8202c4a6
1 changed files with 14 additions and 0 deletions
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src/test/codegen/unpadded-simd.rs Normal file
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// Make sure that no 0-sized padding is inserted in structs and that
// structs are represented as expected by Neon intrinsics in LLVM.
// See #87254.
#![crate_type = "lib"]
#![feature(repr_simd)]
#[derive(Copy, Clone, Debug)]
#[repr(simd)]
pub struct int16x4_t(pub i16, pub i16, pub i16, pub i16);
#[derive(Copy, Clone, Debug)]
pub struct int16x4x2_t(pub int16x4_t, pub int16x4_t);
// CHECK: %int16x4x2_t = type { <4 x i16>, <4 x i16> }