[llvm-commits] CVS: llvm/lib/CodeGen/MachineInstr.cpp

[Evan Cheng]

Changes in directory llvm/lib/CodeGen:

MachineInstr.cpp updated: 1.141 -> 1.142
---
Log message:

Added findRegisterDefOperand().

---
Diffs of the changes:  (+11 -0)

 MachineInstr.cpp |   11 +++++++++++
 1 files changed, 11 insertions(+)


Index: llvm/lib/CodeGen/MachineInstr.cpp
diff -u llvm/lib/CodeGen/MachineInstr.cpp:1.141 llvm/lib/CodeGen/MachineInstr.cpp:1.142
--- llvm/lib/CodeGen/MachineInstr.cpp:1.141	Fri Feb 16 03:49:18 2007
+++ llvm/lib/CodeGen/MachineInstr.cpp	Sat Feb 17 05:10:18 2007
@@ -180,6 +180,17 @@
   return NULL;
 }
   
+/// findRegisterDefOperand() - Returns the MachineOperand that is a def of
+/// the specific register or NULL if it is not found.
+MachineOperand *MachineInstr::findRegisterDefOperand(unsigned Reg) {
+  for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
+    MachineOperand &MO = getOperand(i);
+    if (MO.isReg() && MO.isDef() && MO.getReg() == Reg)
+      return &MO;
+  }
+  return NULL;
+}
+  
 /// copyKillDeadInfo - Copies kill / dead operand properties from MI.
 ///
 void MachineInstr::copyKillDeadInfo(const MachineInstr *MI) {