Add MachineBasicBlock::addLiveIn().

[oota-llvm.git] / include / llvm / CodeGen / MachineBasicBlock.h

diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index 0f2f8746b382505d0f16ba4e883f8dc313c79244..d6f588304f593e378e7bcbeedc1406b42f75340b 100644 (file)
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -296,6 +296,11 @@ public:
   /// is an error to add the same register to the same set more than once.
   void addLiveIn(unsigned Reg)  { LiveIns.push_back(Reg); }
 
+  /// Add PhysReg as live in to this block, and ensure that there is a copy of
+  /// PhysReg to a virtual register of class RC. Return the virtual register
+  /// that is a copy of the live in PhysReg.
+  unsigned addLiveIn(unsigned PhysReg, const TargetRegisterClass *RC);
+
   /// removeLiveIn - Remove the specified register from the live in set.
   ///
   void removeLiveIn(unsigned Reg);