[PATCH] D61028: [DAGCombiner] scale repeated FP divisor by splat factor

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 196481.
spatel marked an inline comment as done.
spatel added a comment.

Patch updated:
Add a TODO comment about optimizing for size. That's an existing concern even for scalar code. But there may not be a clear answer for optsize because, for example, we may be able to hoist fdiv out of a loop by doing this transform.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D61028/new/

https://reviews.llvm.org/D61028

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/X86/fdiv-combine-vec.ll

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