[PATCH] D152166: [InstCombine] Expand contractable fmuladd into fmul + fadd

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

Checking fast is way too much. At most it might also need nsz, but I'm pretty sure contract is sufficient



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Comment at: llvm/test/Transforms/InstCombine/fma.ll:230
 }
 
 define float @fmuladd_unary_fneg_x_unary_fneg_y_fast(float %x, float %y, float %z) {
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Could use tests that other flags are preserved 


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D152166/new/

https://reviews.llvm.org/D152166