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llvm-6502/test/CodeGen/X86/fsxor-alignment.ll
2009-09-08 23:54:48 +00:00

15 lines
474 B
LLVM

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