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| author | Craig Topper <craig.topper@gmail.com> | 2017-01-28 23:52:09 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-01-28 23:52:09 +0000 |
| commit | 6533e40e9d9bfdecc9f44fe73039268a8cd50e84 (patch) | |
| tree | 5380b9995e17f69357178eb61bf9f975f8a016da /llvm/test/CodeGen/X86/vec_logical.ll | |
| parent | ed0ea561fbd00afd1478a85c2c04f1b76f201203 (diff) | |
| download | bcm5719-llvm-6533e40e9d9bfdecc9f44fe73039268a8cd50e84.tar.gz bcm5719-llvm-6533e40e9d9bfdecc9f44fe73039268a8cd50e84.zip | |
[X86] Fix vector ANDN matching to work correctly when both inputs to the AND are XORs.
llvm-svn: 293403
Diffstat (limited to 'llvm/test/CodeGen/X86/vec_logical.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/vec_logical.ll | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/llvm/test/CodeGen/X86/vec_logical.ll b/llvm/test/CodeGen/X86/vec_logical.ll index fb9db449ac9..92ec76009f6 100644 --- a/llvm/test/CodeGen/X86/vec_logical.ll +++ b/llvm/test/CodeGen/X86/vec_logical.ll @@ -89,18 +89,14 @@ entry: define <2 x i64> @andn_double_xor(<2 x i64> %a, <2 x i64> %b, <2 x i64> %c) { ; SSE-LABEL: andn_double_xor: ; SSE: # BB#0: -; SSE-NEXT: pcmpeqd %xmm3, %xmm3 -; SSE-NEXT: pxor %xmm3, %xmm0 -; SSE-NEXT: pxor %xmm2, %xmm1 -; SSE-NEXT: pand %xmm1, %xmm0 +; SSE-NEXT: xorps %xmm2, %xmm1 +; SSE-NEXT: andnps %xmm1, %xmm0 ; SSE-NEXT: retl ; ; AVX-LABEL: andn_double_xor: ; AVX: # BB#0: -; AVX-NEXT: vpcmpeqd %xmm3, %xmm3, %xmm3 -; AVX-NEXT: vpxor %xmm3, %xmm0, %xmm0 -; AVX-NEXT: vpxor %xmm2, %xmm1, %xmm1 -; AVX-NEXT: vpand %xmm1, %xmm0, %xmm0 +; AVX-NEXT: vxorps %xmm2, %xmm1, %xmm1 +; AVX-NEXT: vandnps %xmm1, %xmm0, %xmm0 ; AVX-NEXT: retl %1 = xor <2 x i64> %a, <i64 -1, i64 -1> %2 = xor <2 x i64> %b, %c |
