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[X86] Add tests showing failure to concatenate vmovsldup or vmovshdup nodes

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This commit is contained in:
Simon Pilgrim 2022-01-14 14:49:40 +00:00
parent 7d0ea3f41a
commit bb3d4fa10f
1 changed files with 26 additions and 0 deletions
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26
llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll
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@ -625,6 +625,19 @@ define <8 x float> @shuffle_v8f32_00224466(<8 x float> %a, <8 x float> %b) {
ret <8 x float> %shuffle
}
define <8 x float> @shuffle_v8f32_00224466_v4f32(<4 x float> %a, <4 x float> %b) {
; ALL-LABEL: shuffle_v8f32_00224466_v4f32:
; ALL: # %bb.0:
; ALL-NEXT: vmovsldup {{.*#+}} xmm0 = xmm0[0,0,2,2]
; ALL-NEXT: vmovsldup {{.*#+}} xmm1 = xmm1[0,0,2,2]
; ALL-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
; ALL-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %a, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
%2 = shufflevector <4 x float> %b, <4 x float> %b, <4 x i32> <i32 0, i32 0, i32 2, i32 2>
%3 = shufflevector <4 x float> %1, <4 x float> %2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
ret <8 x float> %3
}
define <8 x float> @shuffle_v8f32_10325476(<8 x float> %a, <8 x float> %b) {
; ALL-LABEL: shuffle_v8f32_10325476:
; ALL: # %bb.0:
@ -643,6 +656,19 @@ define <8 x float> @shuffle_v8f32_11335577(<8 x float> %a, <8 x float> %b) {
ret <8 x float> %shuffle
}
define <8 x float> @shuffle_v8f32_11335577_v4f32(<4 x float> %a, <4 x float> %b) {
; ALL-LABEL: shuffle_v8f32_11335577_v4f32:
; ALL: # %bb.0:
; ALL-NEXT: vmovshdup {{.*#+}} xmm0 = xmm0[1,1,3,3]
; ALL-NEXT: vmovshdup {{.*#+}} xmm1 = xmm1[1,1,3,3]
; ALL-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0
; ALL-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %a, <4 x i32> <i32 1, i32 1, i32 3, i32 3>
%2 = shufflevector <4 x float> %b, <4 x float> %b, <4 x i32> <i32 1, i32 1, i32 3, i32 3>
%3 = shufflevector <4 x float> %1, <4 x float> %2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
ret <8 x float> %3
}
define <8 x float> @shuffle_v8f32_10235467(<8 x float> %a, <8 x float> %b) {
; ALL-LABEL: shuffle_v8f32_10235467:
; ALL: # %bb.0: