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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-06-12 16:38:20 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-06-12 16:38:20 +0000 |
| commit | 5b0e0dd709f96cb987cd3178217517b45ee1febb (patch) | |
| tree | fbf0ea114bef55d48c325c2d687d65b6e3895419 /llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll | |
| parent | 64006896ac0ba773c0d1d7de6930d032bd4b4ba1 (diff) | |
| download | bcm5719-llvm-5b0e0dd709f96cb987cd3178217517b45ee1febb.tar.gz bcm5719-llvm-5b0e0dd709f96cb987cd3178217517b45ee1febb.zip | |
[X86][AVX] Fold concat(vpermilps(x,c),vpermilps(y,c)) -> vpermilps(concat(x,y),c)
Handles PSHUFD/PSHUFLW/PSHUFHW (AVX2) + VPERMILPS (AVX1).
An extra AVX1 PSHUFD->VPERMILPS combine will be added in a future commit.
llvm-svn: 363178
Diffstat (limited to 'llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll | 23 |
1 files changed, 15 insertions, 8 deletions
diff --git a/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll b/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll index 6390851bfea..3f9d9ade272 100644 --- a/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll +++ b/llvm/test/CodeGen/X86/vector-shuffle-256-v8.ll @@ -1219,9 +1219,9 @@ define <8 x float> @shuffle_v8f32_5555uuuu(<8 x float> %a, <8 x float> %b) { define <8 x float> @shuffle_v8f32_32107654_v4f32(<4 x float> %a, <4 x float> %b) { ; ALL-LABEL: shuffle_v8f32_32107654_v4f32: ; ALL: # %bb.0: -; ALL-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,2,1,0] -; ALL-NEXT: vpermilps {{.*#+}} xmm1 = xmm1[3,2,1,0] +; ALL-NEXT: # kill: def $xmm0 killed $xmm0 def $ymm0 ; ALL-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 +; ALL-NEXT: vpermilps {{.*#+}} ymm0 = ymm0[3,2,1,0,7,6,5,4] ; ALL-NEXT: retq %1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> %2 = shufflevector <4 x float> %b, <4 x float> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> @@ -2520,12 +2520,19 @@ define <8 x i32> @shuffle_v8i32_uuuuuu7u(<8 x i32> %a, <8 x i32> %b) nounwind { } define <8 x i32> @shuffle_v8i32_32107654_v4i32(<4 x i32> %a, <4 x i32> %b) { -; ALL-LABEL: shuffle_v8i32_32107654_v4i32: -; ALL: # %bb.0: -; ALL-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,2,1,0] -; ALL-NEXT: vpermilps {{.*#+}} xmm1 = xmm1[3,2,1,0] -; ALL-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 -; ALL-NEXT: retq +; AVX1-LABEL: shuffle_v8i32_32107654_v4i32: +; AVX1: # %bb.0: +; AVX1-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,2,1,0] +; AVX1-NEXT: vpermilps {{.*#+}} xmm1 = xmm1[3,2,1,0] +; AVX1-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 +; AVX1-NEXT: retq +; +; AVX2OR512VL-LABEL: shuffle_v8i32_32107654_v4i32: +; AVX2OR512VL: # %bb.0: +; AVX2OR512VL-NEXT: # kill: def $xmm0 killed $xmm0 def $ymm0 +; AVX2OR512VL-NEXT: vinsertf128 $1, %xmm1, %ymm0, %ymm0 +; AVX2OR512VL-NEXT: vpermilps {{.*#+}} ymm0 = ymm0[3,2,1,0,7,6,5,4] +; AVX2OR512VL-NEXT: retq %1 = shufflevector <4 x i32> %a, <4 x i32> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> %2 = shufflevector <4 x i32> %b, <4 x i32> undef, <4 x i32> <i32 3, i32 2, i32 1, i32 0> %3 = shufflevector <4 x i32> %1, <4 x i32> %2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7> |
