blob: 57164f2bcaf9c40f022a69cea821abe2d0d5d18e [file] [log] [blame]
; RUN: llc < %s -march=x86 -mattr=+sse41 -o %t
; RUN: grep xorps %t | count 1
; Test that when we don't -enable-unsafe-fp-math, we don't do the optimization
; -0 - (A - B) to (B - A) because A==B, -0 != 0
define float @negfp(float %a, float %b) {
entry:
%sub = fsub float %a, %b ; <float> [#uses=1]
%neg = fsub float -0.000000e+00, %sub ; <float> [#uses=1]
ret float %neg
}