Added (still inefficient) shuffle test case for PR21138

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229321 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Simon Pilgrim 2015-02-15 18:21:39 +00:00
parent 068db0bdb8
commit f4e056ac2a

View File

@ -772,6 +772,29 @@ define <8 x float> @shuffle_v8f32_fedc7654(<8 x float> %a, <8 x float> %b) {
ret <8 x float> %shuffle
}
define <8 x float> @PR21138(<8 x float> %truc, <8 x float> %tchose) {
; AVX1-LABEL: PR21138:
; AVX1: # BB#0:
; AVX1-NEXT: vextractf128 $1, %ymm1, %xmm2
; AVX1-NEXT: vshufps {{.*#+}} xmm1 = xmm1[1,3],xmm2[1,3]
; AVX1-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm1
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm2
; AVX1-NEXT: vshufps {{.*#+}} xmm0 = xmm0[1,3],xmm2[1,3]
; AVX1-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0,1],ymm1[2,3]
; AVX1-NEXT: retq
;
; AVX2-LABEL: PR21138:
; AVX2: # BB#0:
; AVX2-NEXT: vmovaps {{.*#+}} ymm2 = <u,u,u,u,1,3,5,7>
; AVX2-NEXT: vpermps %ymm1, %ymm2, %ymm1
; AVX2-NEXT: vmovaps {{.*#+}} ymm2 = <1,3,5,7,u,u,u,u>
; AVX2-NEXT: vpermps %ymm0, %ymm2, %ymm0
; AVX2-NEXT: vblendpd {{.*#+}} ymm0 = ymm0[0,1],ymm1[2,3]
; AVX2-NEXT: retq
%shuffle = shufflevector <8 x float> %truc, <8 x float> %tchose, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
ret <8 x float> %shuffle
}
define <8 x float> @shuffle_v8f32_ba987654(<8 x float> %a, <8 x float> %b) {
; ALL-LABEL: shuffle_v8f32_ba987654:
; ALL: # BB#0: