Lang Hames d9eb1d7797 During MachineCopyPropagation a register may be the source operand of multiple
copies being considered for removal. Make sure to track all of the copies,
rather than just the most recent encountered, by holding a DenseSet instead of
an unsigned in SrcMap.

No test case - couldn't reduce something with a sane size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153487 91177308-0d34-0410-b5e6-96231b3b80d8
2012-03-27 00:44:47 +00:00
..
2012-03-11 06:09:17 +00:00
2012-03-27 00:40:56 +00:00
2012-03-26 14:04:17 +00:00