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- More pre-split fixes: spill slot live interval computation bug; restore point bug.

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- If a def is spilt, remember its spill index to allow its reuse.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58375 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-10-29 08:39:34 +00:00
parent 23b10f5b64
commit 5489893867
5 changed files with 148 additions and 40 deletions
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lib/CodeGen/RegAllocLinearScan.cpp
+1 -1
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@@ -550,7 +550,7 @@ static void addStackInterval(LiveInterval *cur, LiveStacks *ls_,
SI.weight += Weight;
VNInfo *VNI;
if (SI.getNumValNums())
if (SI.hasAtLeastOneValue())
VNI = SI.getValNumInfo(0);
else
VNI = SI.getNextValue(~0U, 0, ls_->getVNInfoAllocator());