const PassInfo *const llvm::PHIEliminationID = &X;
void llvm::PHIElimination::getAnalysisUsage(AnalysisUsage &AU) const {
- AU.addPreserved<LiveVariables>();
- AU.addPreservedID(MachineLoopInfoID);
- AU.addPreservedID(MachineDominatorsID);
- MachineFunctionPass::getAnalysisUsage(AU);
- }
+ AU.setPreservesCFG();
+ AU.addPreserved<LiveVariables>();
+ AU.addPreservedID(MachineLoopInfoID);
+ AU.addPreservedID(MachineDominatorsID);
+ MachineFunctionPass::getAnalysisUsage(AU);
+}
bool llvm::PHIElimination::runOnMachineFunction(MachineFunction &Fn) {
MRI = &Fn.getRegInfo();