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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-07-17 09:45:35 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-07-17 09:45:35 +0000 |
| commit | e4d12bb2d61eb5d7401d6cab2f990e43d1081f2c (patch) | |
| tree | c2da94c06ae2a778fedacdde3847a58ad06d116b /llvm/test/CodeGen/X86/dagcombine-cse.ll | |
| parent | a0220b0570f8825d8cbe36930756502491c0e31b (diff) | |
| download | bcm5719-llvm-e4d12bb2d61eb5d7401d6cab2f990e43d1081f2c.tar.gz bcm5719-llvm-e4d12bb2d61eb5d7401d6cab2f990e43d1081f2c.zip | |
[DAGCombiner] Call SimplifyDemandedVectorElts from EXTRACT_VECTOR_ELT
If we are only extracting vector elements via EXTRACT_VECTOR_ELT(s) we may be able to use SimplifyDemandedVectorElts to avoid unnecessary vector ops.
Differential Revision: https://reviews.llvm.org/D49262
llvm-svn: 337258
Diffstat (limited to 'llvm/test/CodeGen/X86/dagcombine-cse.ll')
| -rw-r--r-- | llvm/test/CodeGen/X86/dagcombine-cse.ll | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/llvm/test/CodeGen/X86/dagcombine-cse.ll b/llvm/test/CodeGen/X86/dagcombine-cse.ll index 7de38308751..263ce1e4d34 100644 --- a/llvm/test/CodeGen/X86/dagcombine-cse.ll +++ b/llvm/test/CodeGen/X86/dagcombine-cse.ll @@ -31,7 +31,6 @@ define i32 @t(i8* %ref_frame_ptr, i32 %ref_frame_stride, i32 %idxX, i32 %idxY) n ; X64-NEXT: shlq $32, %rcx ; X64-NEXT: orq %rax, %rcx ; X64-NEXT: movq %rcx, %xmm0 -; X64-NEXT: movq {{.*#+}} xmm0 = xmm0[0],zero ; X64-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,1,1,2,4,5,6,7] ; X64-NEXT: movd %xmm0, %eax ; X64-NEXT: retq |
