diff options
Diffstat (limited to 'lib/CodeGen/LiveVariables.cpp')
| -rw-r--r-- | lib/CodeGen/LiveVariables.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp index b44a220..8a124dc 100644 --- a/lib/CodeGen/LiveVariables.cpp +++ b/lib/CodeGen/LiveVariables.cpp @@ -543,6 +543,8 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &mf) { for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end(); I != E; ++I) { MachineInstr *MI = I; + if (MI->isDebugValue()) + continue; DistanceMap.insert(std::make_pair(MI, Dist++)); // Process all of the operands of the instruction... @@ -550,7 +552,7 @@ bool LiveVariables::runOnMachineFunction(MachineFunction &mf) { // Unless it is a PHI node. In this case, ONLY process the DEF, not any // of the uses. They will be handled in other basic blocks. - if (MI->getOpcode() == TargetInstrInfo::PHI) + if (MI->isPHI()) NumOperandsToProcess = 1; SmallVector<unsigned, 4> UseRegs; @@ -692,7 +694,7 @@ void LiveVariables::analyzePHINodes(const MachineFunction& Fn) { for (MachineFunction::const_iterator I = Fn.begin(), E = Fn.end(); I != E; ++I) for (MachineBasicBlock::const_iterator BBI = I->begin(), BBE = I->end(); - BBI != BBE && BBI->getOpcode() == TargetInstrInfo::PHI; ++BBI) + BBI != BBE && BBI->isPHI(); ++BBI) for (unsigned i = 1, e = BBI->getNumOperands(); i != e; i += 2) PHIVarInfo[BBI->getOperand(i + 1).getMBB()->getNumber()] .push_back(BBI->getOperand(i).getReg()); @@ -771,8 +773,7 @@ void LiveVariables::addNewBlock(MachineBasicBlock *BB, // All registers used by PHI nodes in SuccBB must be live through BB. for (MachineBasicBlock::const_iterator BBI = SuccBB->begin(), - BBE = SuccBB->end(); - BBI != BBE && BBI->getOpcode() == TargetInstrInfo::PHI; ++BBI) + BBE = SuccBB->end(); BBI != BBE && BBI->isPHI(); ++BBI) for (unsigned i = 1, e = BBI->getNumOperands(); i != e; i += 2) if (BBI->getOperand(i+1).getMBB() == BB) getVarInfo(BBI->getOperand(i).getReg()).AliveBlocks.set(NumNew); |
