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

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

rdar://12340383


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164408 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2012-09-21 20:04:28 +00:00
parent fdb6ec34cd
commit bb36a43872
4 changed files with 10 additions and 3 deletions
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lib/CodeGen/StackSlotColoring.cpp
+1 -1
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@@ -11,7 +11,7 @@
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "stackcoloring"
#define DEBUG_TYPE "stackslotcoloring"
#include "llvm/Module.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"