[PATCH] D13740: Catch combine opportunities for redundant imuls

[Zia Ansari via llvm-commits]

zansari updated this revision to Diff 37511.
zansari added a comment.

New patch with changes made based on code review comments. Factored out profitability code, and beefed up lit test.


http://reviews.llvm.org/D13740

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  test/CodeGen/X86/combine-multiplies.ll

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