[PATCH] D87037: [DAGCombiner] Propagate FMF flags in FMA folding

Sanjay Patel via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 7 05:43:52 PDT 2020


spatel added inline comments.


================
Comment at: llvm/test/CodeGen/PowerPC/fma-combine.ll:293
+; CHECK-FAST-NEXT:    xxswapd 0, 0
+; CHECK-FAST-NEXT:    xvmaddadp 34, 34, 0
+; CHECK-FAST-NEXT:    blr
----------------
I can't tell if anything is changing on this test with this patch. Should this not reduce to 'xor' like the scalar code?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D87037/new/

https://reviews.llvm.org/D87037



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