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-rw-r--r--include/llvm/CodeGen/MachineInstr.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index cf691bb7f1..1171c3ab18 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -339,6 +339,11 @@ public:
/// copyPredicates - Copies predicate operand(s) from MI.
void copyPredicates(const MachineInstr *MI);
+ /// substituteRegister - Replace all occurrences of FromReg with ToReg:SubIdx,
+ /// properly composing subreg indices where necessary.
+ void substituteRegister(unsigned FromReg, unsigned ToReg, unsigned SubIdx,
+ const TargetRegisterInfo &RegInfo);
+
/// addRegisterKilled - We have determined MI kills a register. Look for the
/// operand that uses it and mark it as IsKill. If AddIfNotFound is true,
/// add a implicit operand if it's not found. Returns true if the operand