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path: root/lib/CodeGen/MachineSSAUpdater.cpp
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Diffstat (limited to 'lib/CodeGen/MachineSSAUpdater.cpp')
-rw-r--r--lib/CodeGen/MachineSSAUpdater.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/CodeGen/MachineSSAUpdater.cpp b/lib/CodeGen/MachineSSAUpdater.cpp
index 77496ad632..6e075694ca 100644
--- a/lib/CodeGen/MachineSSAUpdater.cpp
+++ b/lib/CodeGen/MachineSSAUpdater.cpp
@@ -36,7 +36,7 @@ static AvailableValsTy &getAvailableVals(void *AV) {
MachineSSAUpdater::MachineSSAUpdater(MachineFunction &MF,
SmallVectorImpl<MachineInstr*> *NewPHI)
- : AV(0), InsertedPHIs(NewPHI) {
+ : AV(nullptr), InsertedPHIs(NewPHI) {
TII = MF.getTarget().getInstrInfo();
MRI = &MF.getRegInfo();
}
@@ -48,7 +48,7 @@ MachineSSAUpdater::~MachineSSAUpdater() {
/// Initialize - Reset this object to get ready for a new set of SSA
/// updates. ProtoValue is the value used to name PHI nodes.
void MachineSSAUpdater::Initialize(unsigned V) {
- if (AV == 0)
+ if (!AV)
AV = new AvailableValsTy();
else
getAvailableVals(AV).clear();
@@ -313,7 +313,7 @@ public:
static MachineInstr *InstrIsPHI(MachineInstr *I) {
if (I && I->isPHI())
return I;
- return 0;
+ return nullptr;
}
/// ValueIsPHI - Check if the instruction that defines the specified register
@@ -328,7 +328,7 @@ public:
MachineInstr *PHI = ValueIsPHI(Val, Updater);
if (PHI && PHI->getNumOperands() <= 1)
return PHI;
- return 0;
+ return nullptr;
}
/// GetPHIValue - For the specified PHI instruction, return the register