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-rw-r--r--lib/CodeGen/MachineInstr.cpp10
1 files changed, 7 insertions, 3 deletions
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index 8f7c5fd022..32d066894b 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -1428,7 +1428,8 @@ static void printDebugLoc(DebugLoc DL, const MachineFunction *MF,
}
}
-void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM) const {
+void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM,
+ bool SkipOpers) const {
// We can be a bit tidier if we know the TargetMachine and/or MachineFunction.
const MachineFunction *MF = 0;
const MachineRegisterInfo *MRI = 0;
@@ -1465,6 +1466,9 @@ void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM) const {
else
OS << "UNKNOWN";
+ if (SkipOpers)
+ return;
+
// Print the rest of the operands.
bool OmittedAnyCallClobbers = false;
bool FirstOp = true;
@@ -1511,12 +1515,12 @@ void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM) const {
unsigned Reg = MO.getReg();
if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
const MachineRegisterInfo &MRI = MF->getRegInfo();
- if (MRI.use_empty(Reg) && !MRI.isLiveOut(Reg)) {
+ if (MRI.use_empty(Reg)) {
bool HasAliasLive = false;
for (MCRegAliasIterator AI(Reg, TM->getRegisterInfo(), true);
AI.isValid(); ++AI) {
unsigned AliasReg = *AI;
- if (!MRI.use_empty(AliasReg) || MRI.isLiveOut(AliasReg)) {
+ if (!MRI.use_empty(AliasReg)) {
HasAliasLive = true;
break;
}