[PATCH] D82716: [DAGCombiner] reassociate reciprocal sqrt expression to eliminate FP division
Sanjay Patel via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sun Jun 28 07:36:31 PDT 2020
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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