[PATCH] D25524: [DAGCombine] Preserve shuffles when one of the vector operands is constant
Michael Kuperstein via llvm-commits
llvm-commits at lists.llvm.org
Thu Oct 20 12:39:53 PDT 2016
mkuper added inline comments.
Comment at: lib/CodeGen/SelectionDAG/DAGCombiner.cpp:13737
+// Checks for a BUILD_VECTOR composed of either all-undef's, or constants
+// possibly mixed with undef's.
Any chance we can put this in a place that makes more sense?
See discussion on D25685.
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