Re-apply my liveintervalanalysis changes. Now with PR1207 fixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34428 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index ad2ccdf8ca..9cefe7bf20 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -393,6 +393,10 @@ public:
   /// the specific register or NULL if it is not found.
   MachineOperand *findRegisterUseOperand(unsigned Reg);
   
+  /// findRegisterDefOperand() - Returns the MachineOperand that is a def of
+  /// the specific register or NULL if it is not found.
+  MachineOperand *findRegisterDefOperand(unsigned Reg);
+  
   /// copyKillDeadInfo - Copies kill / dead operand properties from MI.
   ///
   void copyKillDeadInfo(const MachineInstr *MI);