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Auto merge of #123167 - DianQK:test-simd-wide-sum, r=scottmcm 

Restore the test checks for `wider_reduce_into_iter`

The current minimum support is for LLVM 17. Context: https://github.com/rust-lang/rust/pull/116018#discussion_r1348353459.

r? scottmcm
This commit is contained in:
bors 2024-03-28 16:23:04 +00:00
parent c5e7f45b62 ec359f7d9f
commit 929bceeaf8
1 changed files with 3 additions and 3 deletions
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6
tests/codegen/simd/simd-wide-sum.rs
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@ -51,8 +51,8 @@ pub fn wider_reduce_iter(x: Simd<u8, N>) -> u16 {
#[no_mangle]
// CHECK-LABEL: @wider_reduce_into_iter
pub fn wider_reduce_into_iter(x: Simd<u8, N>) -> u16 {
// FIXME: It would be nice if this was exactly the same as the above tests,
// but at the time of writing this comment, that didn't happen on LLVM main.
// CHECK: call i16 @llvm.vector.reduce.add
// CHECK: zext <16 x i8>
// CHECK-SAME: to <16 x i16>
// CHECK: call i16 @llvm.vector.reduce.add.v16i16(<16 x i16>
x.to_array().into_iter().map(u16::from).sum()
}