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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-02-11 10:52:37 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-02-11 10:52:37 +0000 |
| commit | 0be5567a891c192582ea87d67b58f18f00dcf038 (patch) | |
| tree | a27f38c984d237bdb85019bed0ff7b62f1273485 /llvm/test/CodeGen/X86/combine-umax.ll | |
| parent | 91e2b9d081829af95a7b84ec5393e33539e9130e (diff) | |
| download | bcm5719-llvm-0be5567a891c192582ea87d67b58f18f00dcf038.tar.gz bcm5719-llvm-0be5567a891c192582ea87d67b58f18f00dcf038.zip | |
[X86][SSE] Enable SMIN/SMAX/UMIN/UMAX custom lowering for all legal types
This allows us to recognise more saturation patterns and also simplify some MINMAX codegen that was failing to combine CMPGE comparisons to a legal CMPGT.
Differential Revision: https://reviews.llvm.org/D43014
llvm-svn: 324837
Diffstat (limited to 'llvm/test/CodeGen/X86/combine-umax.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/combine-umax.ll | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/llvm/test/CodeGen/X86/combine-umax.ll b/llvm/test/CodeGen/X86/combine-umax.ll index e1cc4648af7..f549e1f85da 100644 --- a/llvm/test/CodeGen/X86/combine-umax.ll +++ b/llvm/test/CodeGen/X86/combine-umax.ll @@ -12,11 +12,7 @@ define <8 x i16> @test_v8i16_nosignbit(<8 x i16> %a, <8 x i16> %b) { ; SSE2: # %bb.0: ; SSE2-NEXT: pand {{.*}}(%rip), %xmm0 ; SSE2-NEXT: psrlw $1, %xmm1 -; SSE2-NEXT: movdqa %xmm1, %xmm2 -; SSE2-NEXT: pcmpgtw %xmm0, %xmm2 -; SSE2-NEXT: pand %xmm2, %xmm0 -; SSE2-NEXT: pandn %xmm1, %xmm2 -; SSE2-NEXT: por %xmm2, %xmm0 +; SSE2-NEXT: pminsw %xmm1, %xmm0 ; SSE2-NEXT: retq ; ; SSE41-LABEL: test_v8i16_nosignbit: |
