15 lines
474 B
LLVM
15 lines
474 B
LLVM
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; RUN: llc < %s -march=x86 -mattr=+sse2 -enable-unsafe-fp-math | \
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; RUN: grep -v sp | grep xorps | count 2
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; Don't fold the incoming stack arguments into the xorps instructions used
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; to do floating-point negations, because the arguments aren't vectors
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; and aren't vector-aligned.
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define void @foo(float* %p, float* %q, float %s, float %y) {
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%ss = fsub float -0.0, %s
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%yy = fsub float -0.0, %y
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store float %ss, float* %p
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store float %yy, float* %q
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ret void
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}
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