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

[Evan Cheng]

Changes in directory llvm/lib/CodeGen:

MachineInstr.cpp updated: 1.144 -> 1.145
---
Log message:

Use findRegisterUseOperand to find a kill of particular register.

---
Diffs of the changes:  (+5 -3)

 MachineInstr.cpp |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)


Index: llvm/lib/CodeGen/MachineInstr.cpp
diff -u llvm/lib/CodeGen/MachineInstr.cpp:1.144 llvm/lib/CodeGen/MachineInstr.cpp:1.145
--- llvm/lib/CodeGen/MachineInstr.cpp:1.144	Mon Feb 19 15:49:53 2007
+++ llvm/lib/CodeGen/MachineInstr.cpp	Thu Feb 22 19:04:26 2007
@@ -170,12 +170,14 @@
 }
 
 /// findRegisterUseOperand() - Returns the MachineOperand that is a use of
-/// the specific register or NULL if it is not found.
-MachineOperand *MachineInstr::findRegisterUseOperand(unsigned Reg) {
+/// the specific register or NULL if it is not found. It further tightening
+/// the search criteria to a use that kills the register if isKill is true.
+MachineOperand *MachineInstr::findRegisterUseOperand(unsigned Reg, bool isKill){
   for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
     MachineOperand &MO = getOperand(i);
     if (MO.isReg() && MO.isUse() && MO.getReg() == Reg)
-      return &MO;
+      if (!isKill || MO.isKill())
+        return &MO;
   }
   return NULL;
 }