[PATCH] D31679: Use PMADDWD to expand reduction in a loop

[Dehao Chen via Phabricator via llvm-commits]

danielcdh updated this revision to Diff 94376.
danielcdh edited the summary of this revision.
danielcdh added a comment.

simplify test


https://reviews.llvm.org/D31679

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/madd.ll

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