Ignore dbg_value's.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99321 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/TwoAddressInstructionPass.cpp b/lib/CodeGen/TwoAddressInstructionPass.cpp
index c840b39..c288ae0 100644
--- a/lib/CodeGen/TwoAddressInstructionPass.cpp
+++ b/lib/CodeGen/TwoAddressInstructionPass.cpp
@@ -188,8 +188,9 @@
// Find the instruction that kills SavedReg.
MachineInstr *KillMI = NULL;
- for (MachineRegisterInfo::use_iterator UI = MRI->use_begin(SavedReg),
- UE = MRI->use_end(); UI != UE; ++UI) {
+ for (MachineRegisterInfo::use_nodbg_iterator
+ UI = MRI->use_nodbg_begin(SavedReg),
+ UE = MRI->use_nodbg_end(); UI != UE; ++UI) {
MachineOperand &UseMO = UI.getOperand();
if (!UseMO.isKill())
continue;
@@ -280,8 +281,8 @@
MachineInstr *MI, MachineInstr *DefMI,
MachineBasicBlock *MBB, unsigned Loc) {
bool OtherUse = false;
- for (MachineRegisterInfo::use_iterator UI = MRI->use_begin(Reg),
- UE = MRI->use_end(); UI != UE; ++UI) {
+ for (MachineRegisterInfo::use_nodbg_iterator UI = MRI->use_nodbg_begin(Reg),
+ UE = MRI->use_nodbg_end(); UI != UE; ++UI) {
MachineOperand &UseMO = UI.getOperand();
MachineInstr *UseMI = UseMO.getParent();
MachineBasicBlock *UseMBB = UseMI->getParent();
@@ -927,6 +928,7 @@
mi = nmi;
continue;
}
+
const TargetInstrDesc &TID = mi->getDesc();
bool FirstTied = true;
@@ -1101,7 +1103,7 @@
// Some remat'ed instructions are dead.
int VReg = ReMatRegs.find_first();
while (VReg != -1) {
- if (MRI->use_empty(VReg)) {
+ if (MRI->use_nodbg_empty(VReg)) {
MachineInstr *DefMI = MRI->getVRegDef(VReg);
DefMI->eraseFromParent();
}