[PATCH] D82716: [DAGCombiner] reassociate reciprocal sqrt expression to eliminate FP division

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 273935.
spatel added a comment.

Patch updated:
The previous draft included creation of an unused sqrt node. That was part of an earlier experiment and unnecessarily included here.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D82716/new/

https://reviews.llvm.org/D82716

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/X86/sqrt-fastmath.ll

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