[PATCH] D14909: [X86][FMA] Optimize FNEG(FMUL) Patterns

[Simon Pilgrim via llvm-commits]

RKSimon updated this revision to Diff 41349.
RKSimon added a comment.

Updated tests to include versions with/without nsz flags.

Note: I had to tweak the AVX512 tests to target AVX512DQ to lower XOR instructions.


Repository:
  rL LLVM

http://reviews.llvm.org/D14909

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/fma_patterns.ll
  test/CodeGen/X86/fma_patterns_wide.ll

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