[PATCH] D48467: [X86] Recognize an fnma in the presence of an intervening shuffle.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: test/CodeGen/X86/avx2-fma-fneg-combine.ll:131
+entry:
+  %0 = insertelement <8 x float> undef, float %a, i32 0
+  %1 = fsub <8 x float> <float -0.000000e+00, float undef, float undef, float undef, float undef, float undef, float undef, float undef>, %0
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Sorry I should have asked you to commit this test to trunk as well so this patch shows the codegen diff


Repository:
  rL LLVM

https://reviews.llvm.org/D48467