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Fix a small bug.

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Fix one case we missed to make sure we reserve registers from
allocation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89376 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Greene
2009-11-19 19:09:39 +00:00
parent dab249b3b7
commit feb5bfbc6b
1 changed files with 1 additions and 1 deletions
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2
lib/CodeGen/RegAllocLinearScan.cpp
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@ -1435,7 +1435,7 @@ unsigned RALinScan::getFreePhysReg(LiveInterval* cur,
if (SkipDGRegs && DowngradedRegs.count(Reg)) if (SkipDGRegs && DowngradedRegs.count(Reg))
continue; continue;
if (isRegAvail(Reg) && Reg < inactiveCounts.size() && if (isRegAvail(Reg) && Reg < inactiveCounts.size() &&
FreeRegInactiveCount < inactiveCounts[Reg]) { FreeRegInactiveCount < inactiveCounts[Reg] && !isRecentlyUsed(Reg)) {
FreeReg = Reg; FreeReg = Reg;
FreeRegInactiveCount = inactiveCounts[Reg]; FreeRegInactiveCount = inactiveCounts[Reg];
if (FreeRegInactiveCount == MaxInactiveCount) if (FreeRegInactiveCount == MaxInactiveCount)