| ; RUN: llc < %s -mtriple=i686-- -mattr=+sse4.1 -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 | |
| } |