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Add autovectorization codegen test

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Co-authored-by: Scott McMurray <scottmcm@users.noreply.github.com>
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Jubilee Young 2022-03-02 23:02:03 -08:00 committed by Vin Singh
parent 8e985376d4
commit 934345be2a
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1 changed files with 31 additions and 0 deletions
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src/test/codegen/autovectorize-f32x4.rs Normal file
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// compile-flags: -C opt-level=3
// only-x86_64
#![crate_type = "lib"]
// CHECK-LABEL: @auto_vectorize_direct
#[no_mangle]
pub fn auto_vectorize_direct(a: [f32; 4], b: [f32; 4]) -> [f32; 4] {
// CHECK: load <4 x float>
// CHECK: load <4 x float>
// CHECK: fadd <4 x float>
// CHECK: store <4 x float>
[
a[0] + b[0],
a[1] + b[1],
a[2] + b[2],
a[3] + b[3],
]
}
// CHECK-LABEL: @auto_vectorize_loop
pub fn auto_vectorize_loop(a: [f32; 4], b: [f32; 4]) -> [f32; 4] {
// CHECK: load <4 x float>
// CHECK: load <4 x float>
// CHECK: fadd <4 x float>
// CHECK: store <4 x float>
let mut c = [0.0; 4];
for i in 0..4 {
c[i] = a[i] + b[i];
}
c
}