[MachineOperand] Add ChangeToTargetIndex method. NFC
Differential Revision: https://reviews.llvm.org/D36301
llvm-svn: 310083
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index 6fd49e3..8bf1eb9 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -213,6 +213,19 @@
setIndex(Idx);
}
+void MachineOperand::ChangeToTargetIndex(unsigned Idx, int64_t Offset,
+ unsigned char TargetFlags) {
+ assert((!isReg() || !isTied()) &&
+ "Cannot change a tied operand into a FrameIndex");
+
+ removeRegFromUses();
+
+ OpKind = MO_TargetIndex;
+ setIndex(Idx);
+ setOffset(Offset);
+ setTargetFlags(TargetFlags);
+}
+
/// ChangeToRegister - Replace this operand with a new register operand of
/// the specified value. If an operand is known to be an register already,
/// the setReg method should be used.