Krzysztof Parzyszek 2065a2f4e6 Properly handle PHIs with subregisters in UnreachableBlockElim ...

When a PHI operand has a subregister, create a COPY instead of simply
replacing the PHI output with the input it.

Differential Revision: https://reviews.llvm.org/D32650

llvm-svn: 301699

2017-04-28 21:56:33 +00:00

8.1 KiB

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