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Undo spill weight tweak. Need to investigate the performance regressions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52572 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-06-21 06:45:54 +00:00
parent 16c6859651
commit c3417609ae
6 changed files with 10 additions and 19 deletions
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8
include/llvm/CodeGen/LiveIntervalAnalysis.h
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@ -121,12 +121,8 @@ namespace llvm {
return getBaseIndex(index) + InstrSlots::STORE;
}
static float getSpillWeight(bool isDef, bool isUse, bool isMem,
unsigned loopDepth) {
float Weight = isDef;
if (isUse)
Weight += isMem ? 1.2f : 1.0f;
return Weight * powf(10.0F, (float)loopDepth);
static float getSpillWeight(bool isDef, bool isUse, unsigned loopDepth) {
return (isDef + isUse) * powf(10.0F, (float)loopDepth);
}
typedef Reg2IntervalMap::iterator iterator;