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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-05-14 11:46:26 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-05-14 11:46:26 +0000 |
| commit | f3ee9c699796336bc17934e20ebc84a089d1a7e8 (patch) | |
| tree | 57f947cfa06c23551d53ddf31f568cec66199669 /llvm/test/CodeGen/X86/known-signbits-vector.ll | |
| parent | f3e87ac5f0849a82a7b19d03ddb5e087f8850cd2 (diff) | |
| download | bcm5719-llvm-f3ee9c699796336bc17934e20ebc84a089d1a7e8.tar.gz bcm5719-llvm-f3ee9c699796336bc17934e20ebc84a089d1a7e8.zip | |
[X86][AVX] Allow 32-bit targets to peek through subvectors to extract constant splats for vXi64 shifts.
llvm-svn: 303009
Diffstat (limited to 'llvm/test/CodeGen/X86/known-signbits-vector.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/known-signbits-vector.ll | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/llvm/test/CodeGen/X86/known-signbits-vector.ll b/llvm/test/CodeGen/X86/known-signbits-vector.ll index d526b5dd786..ec620b8ce87 100644 --- a/llvm/test/CodeGen/X86/known-signbits-vector.ll +++ b/llvm/test/CodeGen/X86/known-signbits-vector.ll @@ -176,16 +176,9 @@ define <2 x double> @signbits_ashr_concat_ashr_extract_sitofp(<2 x i64> %a0, <4 ; X32-NEXT: vpsrad $16, %xmm0, %xmm1 ; X32-NEXT: vpsrlq $16, %xmm0, %xmm0 ; X32-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5],xmm1[6,7] -; X32-NEXT: vmovaps {{.*#+}} ymm1 = [16,0,16,0,16,0,16,0] -; X32-NEXT: vextractf128 $1, %ymm1, %xmm1 -; X32-NEXT: vmovdqa {{.*#+}} xmm2 = [0,2147483648,0,2147483648] -; X32-NEXT: vpsrlq %xmm1, %xmm2, %xmm2 -; X32-NEXT: vpsrlq %xmm1, %xmm0, %xmm0 -; X32-NEXT: vpxor %xmm2, %xmm0, %xmm0 -; X32-NEXT: vpsubq %xmm2, %xmm0, %xmm0 +; X32-NEXT: vpsrlq $16, %xmm0, %xmm0 ; X32-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] ; X32-NEXT: vcvtdq2pd %xmm0, %xmm0 -; X32-NEXT: vzeroupper ; X32-NEXT: retl ; ; X64-LABEL: signbits_ashr_concat_ashr_extract_sitofp: |
