[PATCH] D44370: [X86] Combine vXi64 multiplies to MULDQ/MULUDQ during DAG combine instead of lowering.

Mon Mar 26 13:44:02 PDT 2018

craig.topper updated this revision to Diff 139845.
craig.topper added a comment.

Rebase since simplify demanded bits went in. Still need to figure out how to fix the regression. Everything I've tried so far as introduce other regressions.

https://reviews.llvm.org/D44370

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/combine-pmuldq.ll
  test/CodeGen/X86/masked_gather_scatter.ll
  test/CodeGen/X86/mulvi32.ll
  test/CodeGen/X86/pmul.ll
  test/CodeGen/X86/xop-ifma.ll

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