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Like V_SET0, these instructions are expanded by ExpandPostRA to xorps / vxorps so they can participate in execution domain swizzling. This also makes the AVX variants redundant. llvm-svn: 145440
13 lines
436 B
LLVM
13 lines
436 B
LLVM
; RUN: llc < %s -march=x86-64 | grep {xorps %xmm0, %xmm0} | count 2
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define float @foo(<4 x float> %a) {
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%b = insertelement <4 x float> %a, float 0.0, i32 3
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%c = extractelement <4 x float> %b, i32 3
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ret float %c
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}
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define float @bar(float %a) {
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%b = insertelement <4 x float> <float 0x400B333340000000, float 4.5, float 0.0, float 0x4022666660000000>, float %a, i32 3
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%c = extractelement <4 x float> %b, i32 2
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ret float %c
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}
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