[PATCH] D14588: [X86][SSE] Transform truncation from v8i32/v16i32 to v8i8/v16i8 into bitand and X86ISD::PACKUS operations during DAG combine.

[Cong Hou via llvm-commits]

congh updated this revision to Diff 42356.
congh added a comment.

Update a test case as suggested by Simon.


http://reviews.llvm.org/D14588

Files:
  lib/Target/X86/X86ISelLowering.cpp
  test/CodeGen/X86/vector-trunc.ll

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