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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-10-24 15:38:16 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-10-24 15:38:16 +0000 |
| commit | 0a12c239b62f9d4aec92992937a4ae30a1c5d54c (patch) | |
| tree | a4d57f144243543e439bc422150e811e0930d9aa /llvm/test/CodeGen/X86/psubus.ll | |
| parent | 1216acc3c4df4e8819b490484fe866fce75ae511 (diff) | |
| download | bcm5719-llvm-0a12c239b62f9d4aec92992937a4ae30a1c5d54c.tar.gz bcm5719-llvm-0a12c239b62f9d4aec92992937a4ae30a1c5d54c.zip | |
[X86] truncateVectorCompareWithPACKSS - use PACKSSDW/PACKSSWB instead of just PACKSSWB.
By using the widest type possible for PACKSS truncation we have a better chance of being able to peek through bitcasts and improves other combines driven by ComputeNumSignBits.
llvm-svn: 316448
Diffstat (limited to 'llvm/test/CodeGen/X86/psubus.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/psubus.ll | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/llvm/test/CodeGen/X86/psubus.ll b/llvm/test/CodeGen/X86/psubus.ll index b28649147a3..e8bb3b86218 100644 --- a/llvm/test/CodeGen/X86/psubus.ll +++ b/llvm/test/CodeGen/X86/psubus.ll @@ -548,7 +548,7 @@ define <8 x i16> @test13(<8 x i16> %x, <8 x i32> %y) nounwind { ; AVX1-NEXT: vpxor %xmm3, %xmm5, %xmm6 ; AVX1-NEXT: vpxor %xmm3, %xmm2, %xmm3 ; AVX1-NEXT: vpcmpgtd %xmm3, %xmm6, %xmm3 -; AVX1-NEXT: vpacksswb %xmm3, %xmm4, %xmm3 +; AVX1-NEXT: vpackssdw %xmm3, %xmm4, %xmm3 ; AVX1-NEXT: vpsubd %xmm5, %xmm2, %xmm2 ; AVX1-NEXT: vpsubd %xmm1, %xmm0, %xmm0 ; AVX1-NEXT: vmovdqa {{.*#+}} xmm1 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15] @@ -567,7 +567,7 @@ define <8 x i16> @test13(<8 x i16> %x, <8 x i32> %y) nounwind { ; AVX2-NEXT: vpxor %ymm2, %ymm0, %ymm2 ; AVX2-NEXT: vpcmpgtd %ymm2, %ymm3, %ymm2 ; AVX2-NEXT: vextracti128 $1, %ymm2, %xmm3 -; AVX2-NEXT: vpacksswb %xmm3, %xmm2, %xmm2 +; AVX2-NEXT: vpackssdw %xmm3, %xmm2, %xmm2 ; AVX2-NEXT: vpsubd %ymm1, %ymm0, %ymm0 ; AVX2-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31] ; AVX2-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3] @@ -767,7 +767,7 @@ define <16 x i8> @test14(<16 x i8> %x, <16 x i32> %y) nounwind { ; AVX1-NEXT: vpxor %xmm6, %xmm2, %xmm4 ; AVX1-NEXT: vpxor %xmm6, %xmm10, %xmm5 ; AVX1-NEXT: vpcmpgtd %xmm4, %xmm5, %xmm4 -; AVX1-NEXT: vpacksswb %xmm3, %xmm4, %xmm11 +; AVX1-NEXT: vpackssdw %xmm3, %xmm4, %xmm11 ; AVX1-NEXT: vpxor %xmm6, %xmm1, %xmm4 ; AVX1-NEXT: vpxor %xmm6, %xmm9, %xmm5 ; AVX1-NEXT: vpcmpgtd %xmm4, %xmm5, %xmm4 @@ -775,7 +775,7 @@ define <16 x i8> @test14(<16 x i8> %x, <16 x i32> %y) nounwind { ; AVX1-NEXT: vpxor %xmm6, %xmm5, %xmm3 ; AVX1-NEXT: vpxor %xmm6, %xmm8, %xmm6 ; AVX1-NEXT: vpcmpgtd %xmm3, %xmm6, %xmm3 -; AVX1-NEXT: vpacksswb %xmm3, %xmm4, %xmm3 +; AVX1-NEXT: vpackssdw %xmm3, %xmm4, %xmm3 ; AVX1-NEXT: vpacksswb %xmm11, %xmm3, %xmm3 ; AVX1-NEXT: vpsubd %xmm8, %xmm5, %xmm4 ; AVX1-NEXT: vpsubd %xmm9, %xmm1, %xmm1 @@ -803,12 +803,12 @@ define <16 x i8> @test14(<16 x i8> %x, <16 x i32> %y) nounwind { ; AVX2-NEXT: vpxor %ymm4, %ymm0, %ymm6 ; AVX2-NEXT: vpcmpgtd %ymm5, %ymm6, %ymm5 ; AVX2-NEXT: vextracti128 $1, %ymm5, %xmm6 -; AVX2-NEXT: vpacksswb %xmm6, %xmm5, %xmm5 +; AVX2-NEXT: vpackssdw %xmm6, %xmm5, %xmm5 ; AVX2-NEXT: vpxor %ymm4, %ymm2, %ymm6 ; AVX2-NEXT: vpxor %ymm4, %ymm3, %ymm4 ; AVX2-NEXT: vpcmpgtd %ymm6, %ymm4, %ymm4 ; AVX2-NEXT: vextracti128 $1, %ymm4, %xmm6 -; AVX2-NEXT: vpacksswb %xmm6, %xmm4, %xmm4 +; AVX2-NEXT: vpackssdw %xmm6, %xmm4, %xmm4 ; AVX2-NEXT: vpacksswb %xmm4, %xmm5, %xmm4 ; AVX2-NEXT: vpsubd %ymm3, %ymm2, %ymm2 ; AVX2-NEXT: vpsubd %ymm0, %ymm1, %ymm0 @@ -932,7 +932,7 @@ define <8 x i16> @test15(<8 x i16> %x, <8 x i32> %y) nounwind { ; AVX1-NEXT: vpxor %xmm3, %xmm5, %xmm6 ; AVX1-NEXT: vpxor %xmm3, %xmm2, %xmm3 ; AVX1-NEXT: vpcmpgtd %xmm6, %xmm3, %xmm3 -; AVX1-NEXT: vpacksswb %xmm3, %xmm4, %xmm3 +; AVX1-NEXT: vpackssdw %xmm3, %xmm4, %xmm3 ; AVX1-NEXT: vpsubd %xmm5, %xmm2, %xmm2 ; AVX1-NEXT: vpsubd %xmm1, %xmm0, %xmm0 ; AVX1-NEXT: vmovdqa {{.*#+}} xmm1 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15] @@ -951,7 +951,7 @@ define <8 x i16> @test15(<8 x i16> %x, <8 x i32> %y) nounwind { ; AVX2-NEXT: vpxor %ymm2, %ymm0, %ymm2 ; AVX2-NEXT: vpcmpgtd %ymm3, %ymm2, %ymm2 ; AVX2-NEXT: vextracti128 $1, %ymm2, %xmm3 -; AVX2-NEXT: vpacksswb %xmm3, %xmm2, %xmm2 +; AVX2-NEXT: vpackssdw %xmm3, %xmm2, %xmm2 ; AVX2-NEXT: vpsubd %ymm1, %ymm0, %ymm0 ; AVX2-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31] ; AVX2-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3] @@ -1066,7 +1066,7 @@ define <8 x i16> @test16(<8 x i16> %x, <8 x i32> %y) nounwind { ; AVX1-NEXT: vpxor %xmm3, %xmm5, %xmm6 ; AVX1-NEXT: vpxor %xmm3, %xmm2, %xmm3 ; AVX1-NEXT: vpcmpgtd %xmm6, %xmm3, %xmm3 -; AVX1-NEXT: vpacksswb %xmm3, %xmm4, %xmm3 +; AVX1-NEXT: vpackssdw %xmm3, %xmm4, %xmm3 ; AVX1-NEXT: vpsubd %xmm5, %xmm2, %xmm2 ; AVX1-NEXT: vpsubd %xmm1, %xmm0, %xmm0 ; AVX1-NEXT: vmovdqa {{.*#+}} xmm1 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15] @@ -1085,7 +1085,7 @@ define <8 x i16> @test16(<8 x i16> %x, <8 x i32> %y) nounwind { ; AVX2-NEXT: vpxor %ymm2, %ymm0, %ymm2 ; AVX2-NEXT: vpcmpgtd %ymm3, %ymm2, %ymm2 ; AVX2-NEXT: vextracti128 $1, %ymm2, %xmm3 -; AVX2-NEXT: vpacksswb %xmm3, %xmm2, %xmm2 +; AVX2-NEXT: vpackssdw %xmm3, %xmm2, %xmm2 ; AVX2-NEXT: vpsubd %ymm1, %ymm0, %ymm0 ; AVX2-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15,16,17,20,21,24,25,28,29,24,25,28,29,28,29,30,31] ; AVX2-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3] |
