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-rw-r--r--include/llvm/CodeGen/MachineRegisterInfo.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h
index dede05f85c..fa14fdc3f1 100644
--- a/include/llvm/CodeGen/MachineRegisterInfo.h
+++ b/include/llvm/CodeGen/MachineRegisterInfo.h
@@ -293,6 +293,10 @@ public:
/// corresponding live-in physical register.
unsigned getLiveInPhysReg(unsigned VReg) const;
+ /// getLiveInVirtReg - If PReg is a live-in physical register, return the
+ /// corresponding live-in physical register.
+ unsigned getLiveInVirtReg(unsigned PReg) const;
+
/// EmitLiveInCopies - Emit copies to initialize livein virtual registers
/// into the given entry block.
void EmitLiveInCopies(MachineBasicBlock *EntryMBB,