Move the code for emitting livein copies out of SelectionDAGISel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101254 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/MachineRegisterInfo.h b/include/llvm/CodeGen/MachineRegisterInfo.h
index 31da00d8e9..d312aaedca 100644
--- a/include/llvm/CodeGen/MachineRegisterInfo.h
+++ b/include/llvm/CodeGen/MachineRegisterInfo.h
@@ -261,6 +261,12 @@ public:
   bool isLiveIn(unsigned Reg) const;
   bool isLiveOut(unsigned Reg) const;
 
+  /// EmitLiveInCopies - Emit copies to initialize livein virtual registers
+  /// into the given entry block.
+  void EmitLiveInCopies(MachineBasicBlock *EntryMBB,
+                        const TargetRegisterInfo &TRI,
+                        const TargetInstrInfo &TII);
+
 private:
   void HandleVRegListReallocation();