Evan Cheng b53825b82b Fix a significant recent(?) regression. StackSlotColoring no longer did anything ...

because LiveStackAnalysis was not preserved by VirtRegWriter. This caused
big stack usage regression in some cases.

rdar://12340383

llvm-svn: 164408

2012-09-21 20:04:28 +00:00

2.8 KiB

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