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Find anchoring end points for repairIntervalsInRange and repairIndexesInRange

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175673 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich
2013-02-20 22:10:00 +00:00
parent 0e827ebc78
commit c5b6135fb5
3 changed files with 21 additions and 12 deletions
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lib/CodeGen/TwoAddressInstructionPass.cpp
+5 -12
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@@ -1150,15 +1150,8 @@ tryInstructionTransform(MachineBasicBlock::iterator &mi,
LV->addVirtualRegisterKilled(Reg, NewMIs[1]);
}
MachineBasicBlock::iterator Begin;
MachineBasicBlock::iterator End;
SmallVector<unsigned, 4> OrigRegs;
if (LIS) {
Begin = MachineBasicBlock::iterator(NewMIs[0]);
if (Begin != MBB->begin())
--Begin;
End = llvm::next(MachineBasicBlock::iterator(MI));
for (MachineInstr::const_mop_iterator MOI = MI.operands_begin(),
MOE = MI.operands_end(); MOI != MOE; ++MOI) {
if (MOI->isReg())
@@ -1169,8 +1162,11 @@ tryInstructionTransform(MachineBasicBlock::iterator &mi,
MI.eraseFromParent();
// Update LiveIntervals.
if (LIS)
if (LIS) {
MachineBasicBlock::iterator Begin(NewMIs[0]);
MachineBasicBlock::iterator End(NewMIs[1]);
LIS->repairIntervalsInRange(MBB, Begin, End, OrigRegs);
}
mi = NewMIs[1];
if (TransformSuccess)
@@ -1576,9 +1572,6 @@ eliminateRegSequence(MachineBasicBlock::iterator &MBBI) {
}
// Udpate LiveIntervals.
if (LIS) {
if (MBBI != MBB->begin())
--MBBI;
if (LIS)
LIS->repairIntervalsInRange(MBB, MBBI, EndMBBI, OrigRegs);
}
}