reference, declaration → definition definition → references, declarations, derived classes, virtual overrides reference to multiple definitions → definitions unreferenced |
1 2 3 4 5 6 7 8 9 10 11 12 | ; 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 } |