Author: resistor Date: Wed Jan 9 04:41:39 2008 New Revision: 45775 URL: http://llvm.org/viewvc/llvm-project?rev=45775&view=rev Log: StrongPHIElim: Now with even fewer trivial bugs!
Modified: llvm/trunk/lib/CodeGen/StrongPHIElimination.cpp Modified: llvm/trunk/lib/CodeGen/StrongPHIElimination.cpp URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/StrongPHIElimination.cpp?rev=45775&r1=45774&r2=45775&view=diff ============================================================================== --- llvm/trunk/lib/CodeGen/StrongPHIElimination.cpp (original) +++ llvm/trunk/lib/CodeGen/StrongPHIElimination.cpp Wed Jan 9 04:41:39 2008 @@ -215,7 +215,9 @@ stack.pop_back(); CurrentParent = stack.back(); - parentBlock = LV.getVarInfo(CurrentParent->getReg()).DefInst->getParent(); + parentBlock = CurrentParent->getReg() ? + LV.getVarInfo(CurrentParent->getReg()).DefInst->getParent() : + 0; } DomForestNode* child = new DomForestNode(*I, CurrentParent); @@ -361,7 +363,7 @@ std::set<unsigned> ProcessedNames; MachineBasicBlock::iterator P = MBB->begin(); - while (P->getOpcode() == TargetInstrInfo::PHI) { + while (P != MBB->end() && P->getOpcode() == TargetInstrInfo::PHI) { LiveVariables::VarInfo& PHIInfo = LV.getVarInfo(P->getOperand(0).getReg()); unsigned DestReg = P->getOperand(0).getReg(); _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits