[PATCH] D11764: [DAGCombiner] Attempt to mask vectors before zero extension instead of after.

[Simon Pilgrim via llvm-commits]

RKSimon updated the summary for this revision.
RKSimon updated this revision to Diff 32142.
RKSimon added a comment.

updated with SystemZ zero-extension candidate fix.


Repository:
  rL LLVM

http://reviews.llvm.org/D11764

Files:
  lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  lib/Target/SystemZ/SystemZISelDAGToDAG.cpp
  test/CodeGen/SystemZ/insert-05.ll
  test/CodeGen/X86/avx2-conversions.ll
  test/CodeGen/X86/vec_cast2.ll
  test/CodeGen/X86/vector-zext.ll

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