Evgeniy Stepanov 70d1b0a818 [msan] Workaround for invalid origins in shufflevector. ...

Makes origin propagation ignore literal undef operands, and,
in general, any operand we don't have origin for.

https://code.google.com/p/memory-sanitizer/issues/detail?id=56

llvm-svn: 210472

2014-06-09 14:29:34 +00:00

102 KiB

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