mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 19:23:23 +01:00
30 lines
1.2 KiB
LLVM
30 lines
1.2 KiB
LLVM
; RUN: llc < %s -mtriple=x86_64-unknown-linux -mcpu=corei7-avx | FileCheck %s
|
|
|
|
; These tests check that an insert_subvector which replaces one of the halves
|
|
; of a concat_vectors is optimized into a single vinsertf128.
|
|
|
|
|
|
declare <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float>, <4 x float>, i8)
|
|
|
|
define <8 x float> @lower_half(<4 x float> %v1, <4 x float> %v2, <4 x float> %v3) {
|
|
%1 = shufflevector <4 x float> %v1, <4 x float> %v2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
|
|
%2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> %1, <4 x float> %v3, i8 0)
|
|
ret <8 x float> %2
|
|
|
|
; CHECK-LABEL: lower_half
|
|
; CHECK-NOT: vinsertf128
|
|
; CHECK: vinsertf128 $1, %xmm1, %ymm2, %ymm0
|
|
; CHECK-NEXT: ret
|
|
}
|
|
|
|
define <8 x float> @upper_half(<4 x float> %v1, <4 x float> %v2, <4 x float> %v3) {
|
|
%1 = shufflevector <4 x float> %v1, <4 x float> %v2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
|
|
%2 = tail call <8 x float> @llvm.x86.avx.vinsertf128.ps.256(<8 x float> %1, <4 x float> %v3, i8 1)
|
|
ret <8 x float> %2
|
|
|
|
; CHECK-LABEL: upper_half
|
|
; CHECK-NOT: vinsertf128
|
|
; CHECK: vinsertf128 $1, %xmm2, %ymm0, %ymm0
|
|
; CHECK-NEXT: ret
|
|
}
|