//===----------------------------------------------------------------------===//
#include "PHIEliminationUtils.h"
+#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
-#include "llvm/ADT/SmallPtrSet.h"
using namespace llvm;
// findCopyInsertPoint - Find a safe place in MBB to insert a copy from SrcReg
// Discover any defs/uses in this basic block.
SmallPtrSet<MachineInstr*, 8> DefUsesInMBB;
MachineRegisterInfo& MRI = MBB->getParent()->getRegInfo();
- for (MachineRegisterInfo::reg_iterator RI = MRI.reg_begin(SrcReg),
- RE = MRI.reg_end(); RI != RE; ++RI) {
- MachineInstr* DefUseMI = &*RI;
- if (DefUseMI->getParent() == MBB)
- DefUsesInMBB.insert(DefUseMI);
+ for (MachineInstr &RI : MRI.reg_instructions(SrcReg)) {
+ if (RI.getParent() == MBB)
+ DefUsesInMBB.insert(&RI);
}
MachineBasicBlock::iterator InsertPoint;