Matthias Braun bd18d751de MachineCopyPropagation: Move variables from function to pass ...

This avoids unnecessarily passing them around when calling helper
functions. It may also be slightly faster to call clear() on the
datastructures instead of freshly initializing them for each block.

llvm-svn: 261407

2016-02-20 03:56:39 +00:00

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