Change findRegisterUseOperand() to return operand index instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35363 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 3351aa8..f6eaac0 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -390,10 +390,10 @@
delete removeFromParent();
}
- /// findRegisterUseOperand() - Returns the MachineOperand that is a use of
- /// the specific register or NULL if it is not found. It further tightening
+ /// findRegisterUseOperand() - Returns the operand index that is a use of
+ /// the specific register or -1 if it is not found. It further tightening
/// the search criteria to a use that kills the register if isKill is true.
- MachineOperand *findRegisterUseOperand(unsigned Reg, bool isKill = false);
+ int findRegisterUseOperand(unsigned Reg, bool isKill = false);
/// findRegisterDefOperand() - Returns the MachineOperand that is a def of
/// the specific register or NULL if it is not found.
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 8c5da02..a1e7691 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -170,16 +170,16 @@
}
/// findRegisterUseOperand() - Returns the MachineOperand that is a use of
-/// the specific register or NULL if it is not found. It further tightening
+/// the specific register or -1 if it is not found. It further tightening
/// the search criteria to a use that kills the register if isKill is true.
-MachineOperand *MachineInstr::findRegisterUseOperand(unsigned Reg, bool isKill){
+int MachineInstr::findRegisterUseOperand(unsigned Reg, bool isKill){
for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
MachineOperand &MO = getOperand(i);
if (MO.isReg() && MO.isUse() && MO.getReg() == Reg)
if (!isKill || MO.isKill())
- return &MO;
+ return i;
}
- return NULL;
+ return -1;
}
/// findRegisterDefOperand() - Returns the MachineOperand that is a def of