diff options
Diffstat (limited to 'lib/CodeGen/PHIElimination.cpp')
| -rw-r--r-- | lib/CodeGen/PHIElimination.cpp | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp index 6994aa5..0ed4c34 100644 --- a/lib/CodeGen/PHIElimination.cpp +++ b/lib/CodeGen/PHIElimination.cpp @@ -92,11 +92,15 @@ STATISTIC(NumCriticalEdgesSplit, "Number of critical edges split"); STATISTIC(NumReused, "Number of reused lowered phis"); char PHIElimination::ID = 0; -INITIALIZE_PASS(PHIElimination, "phi-node-elimination", - "Eliminate PHI nodes for register allocation", false, false) - char& llvm::PHIEliminationID = PHIElimination::ID; +INITIALIZE_PASS_BEGIN(PHIElimination, "phi-node-elimination", + "Eliminate PHI nodes for register allocation", + false, false) +INITIALIZE_PASS_DEPENDENCY(LiveVariables) +INITIALIZE_PASS_END(PHIElimination, "phi-node-elimination", + "Eliminate PHI nodes for register allocation", false, false) + void PHIElimination::getAnalysisUsage(AnalysisUsage &AU) const { AU.addPreserved<LiveVariables>(); AU.addPreserved<MachineDominatorTree>(); @@ -241,7 +245,6 @@ void PHIElimination::LowerAtomicPHINode( LiveVariables::VarInfo &VI = LV->getVarInfo(IncomingReg); // Increment use count of the newly created virtual register. - VI.NumUses++; LV->setPHIJoin(IncomingReg); // When we are reusing the incoming register, it may already have been @@ -410,7 +413,7 @@ bool PHIElimination::SplitPHIEdges(MachineFunction &MF, return false; // Quick exit for basic blocks without PHIs. bool Changed = false; - for (MachineBasicBlock::const_iterator BBI = MBB.begin(), BBE = MBB.end(); + for (MachineBasicBlock::iterator BBI = MBB.begin(), BBE = MBB.end(); BBI != BBE && BBI->isPHI(); ++BBI) { for (unsigned i = 1, e = BBI->getNumOperands(); i != e; i += 2) { unsigned Reg = BBI->getOperand(i).getReg(); |
