diff options
Diffstat (limited to 'lib/CodeGen/LiveIntervalAnalysis.cpp')
| -rw-r--r-- | lib/CodeGen/LiveIntervalAnalysis.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp index bbfc82b5d96d..24adf364e710 100644 --- a/lib/CodeGen/LiveIntervalAnalysis.cpp +++ b/lib/CodeGen/LiveIntervalAnalysis.cpp @@ -136,7 +136,8 @@ void LiveIntervals::printInstrs(raw_ostream &OS) const { for (MachineFunction::iterator mbbi = mf_->begin(), mbbe = mf_->end(); mbbi != mbbe; ++mbbi) { - OS << ((Value*)mbbi->getBasicBlock())->getName() << ":\n"; + OS << "BB#" << mbbi->getNumber() + << ":\t\t# derived from " << mbbi->getName() << "\n"; for (MachineBasicBlock::iterator mii = mbbi->begin(), mie = mbbi->end(); mii != mie; ++mii) { OS << getInstructionIndex(mii) << '\t' << *mii; @@ -658,7 +659,7 @@ void LiveIntervals::computeIntervals() { MachineBasicBlock *MBB = MBBI; // Track the index of the current machine instr. SlotIndex MIIndex = getMBBStartIdx(MBB); - DEBUG(errs() << ((Value*)MBB->getBasicBlock())->getName() << ":\n"); + DEBUG(errs() << MBB->getName() << ":\n"); MachineBasicBlock::iterator MI = MBB->begin(), miEnd = MBB->end(); @@ -1094,6 +1095,12 @@ rewriteInstructionForSpills(const LiveInterval &li, const VNInfo *VNI, NewVReg = mri_->createVirtualRegister(rc); vrm.grow(); CreatedNewVReg = true; + + // The new virtual register should get the same allocation hints as the + // old one. + std::pair<unsigned, unsigned> Hint = mri_->getRegAllocationHint(Reg); + if (Hint.first || Hint.second) + mri_->setRegAllocationHint(NewVReg, Hint.first, Hint.second); } if (!TryFold) |