[PATCH] D25524: [DAGCombine] Preserve shuffles when one of the vector operands is constant
Zvi Rackover via llvm-commits
llvm-commits at lists.llvm.org
Sat Oct 22 00:40:15 PDT 2016
zvi updated this revision to Diff 75527.
zvi added a comment.
- Using @andreadb's improved early-exit conditions
- Moved the helper function to a more suitable location
Repository:
rL LLVM
https://reviews.llvm.org/D25524
Files:
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
test/CodeGen/X86/vector-shuffle-combining.ll
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