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;
}
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