[PATCH] D51553: [DAGCombiner][x86] add transform/hook to load a scalar directly for use in a vector binop

[Sanjay Patel via Phabricator via llvm-commits]

spatel updated this revision to Diff 166519.
spatel marked an inline comment as done.
spatel added a comment.

Patch updated:
Disallow the transform on x86 if we're optimizing for size. Test added at https://reviews.llvm.org/rL342755.


https://reviews.llvm.org/D51553

Files:
  include/llvm/CodeGen/TargetLowering.h
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/Target/X86/X86ISelLowering.cpp
  lib/Target/X86/X86ISelLowering.h
  test/CodeGen/X86/load-scalar-as-vector.ll

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