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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-01-27 20:36:37 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2019-01-27 20:36:37 +0000 |
| commit | f10b6623cc1db4f48c6b57876139e0054a34f0aa (patch) | |
| tree | 0b3ba710547a46684c9da297da377d84012e922d /llvm/test/CodeGen | |
| parent | 6c865deeddc8a2c6f882d98aa0d9cd11682226a6 (diff) | |
| download | bcm5719-llvm-f10b6623cc1db4f48c6b57876139e0054a34f0aa.tar.gz bcm5719-llvm-f10b6623cc1db4f48c6b57876139e0054a34f0aa.zip | |
[X86][SSE] Permit UNDEFs in combineAddToSUBUS matching (PR40083)
llvm-svn: 352328
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/psubus.ll | 34 |
1 files changed, 6 insertions, 28 deletions
diff --git a/llvm/test/CodeGen/X86/psubus.ll b/llvm/test/CodeGen/X86/psubus.ll index 060f4bac4fc..13415e837db 100644 --- a/llvm/test/CodeGen/X86/psubus.ll +++ b/llvm/test/CodeGen/X86/psubus.ll @@ -2728,37 +2728,15 @@ entry: ; PR40083 define i64 @test30(<8 x i16> %x) { -; SSE2-LABEL: test30: -; SSE2: # %bb.0: # %entry -; SSE2-NEXT: movdqa {{.*#+}} xmm1 = [32768,32768,32768,32768,32768,32768,32768,32768] -; SSE2-NEXT: pxor %xmm1, %xmm0 -; SSE2-NEXT: pmaxsw {{.*}}(%rip), %xmm0 -; SSE2-NEXT: pxor %xmm1, %xmm0 -; SSE2-NEXT: paddw {{.*}}(%rip), %xmm0 -; SSE2-NEXT: movq %xmm0, %rax -; SSE2-NEXT: retq -; -; SSSE3-LABEL: test30: -; SSSE3: # %bb.0: # %entry -; SSSE3-NEXT: movdqa {{.*#+}} xmm1 = [32768,32768,32768,32768,32768,32768,32768,32768] -; SSSE3-NEXT: pxor %xmm1, %xmm0 -; SSSE3-NEXT: pmaxsw {{.*}}(%rip), %xmm0 -; SSSE3-NEXT: pxor %xmm1, %xmm0 -; SSSE3-NEXT: paddw {{.*}}(%rip), %xmm0 -; SSSE3-NEXT: movq %xmm0, %rax -; SSSE3-NEXT: retq -; -; SSE41-LABEL: test30: -; SSE41: # %bb.0: # %entry -; SSE41-NEXT: pmaxuw {{.*}}(%rip), %xmm0 -; SSE41-NEXT: paddw {{.*}}(%rip), %xmm0 -; SSE41-NEXT: movq %xmm0, %rax -; SSE41-NEXT: retq +; SSE-LABEL: test30: +; SSE: # %bb.0: # %entry +; SSE-NEXT: psubusw {{.*}}(%rip), %xmm0 +; SSE-NEXT: movq %xmm0, %rax +; SSE-NEXT: retq ; ; AVX-LABEL: test30: ; AVX: # %bb.0: # %entry -; AVX-NEXT: vpmaxuw {{.*}}(%rip), %xmm0, %xmm0 -; AVX-NEXT: vpaddw {{.*}}(%rip), %xmm0, %xmm0 +; AVX-NEXT: vpsubusw {{.*}}(%rip), %xmm0, %xmm0 ; AVX-NEXT: vmovq %xmm0, %rax ; AVX-NEXT: retq entry: |
