[C++] Use 'nullptr'. Target edition.

llvm-svn: 207197

1 files changed, 4 insertions, 4 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index f49d1e926c9..ae41fa0bd65 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -232,7 +232,7 @@ PPCInstrInfo::commuteInstruction(MachineInstr *MI, bool NewMI) const {
 
   // Cannot commute if it has a non-zero rotate count.
   if (MI->getOperand(3).getImm() != 0)
-    return 0;
+    return nullptr;
 
   // If we have a zero rotate count, we have:
   //   M = mask(MB,ME)
@@ -541,7 +541,7 @@ PPCInstrInfo::InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
   bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
 
   // One-way branch.
-  if (FBB == 0) {
+  if (!FBB) {
     if (Cond.empty())   // Unconditional branch
       BuildMI(&MBB, DL, get(PPC::B)).addMBB(TBB);
     else if (Cond[1].getReg() == PPC::CTR || Cond[1].getReg() == PPC::CTR8)
@@ -1401,10 +1401,10 @@ bool PPCInstrInfo::optimizeCompareInstr(MachineInstr *CmpInstr,
   // There are two possible candidates which can be changed to set CR[01].
   // One is MI, the other is a SUB instruction.
   // For CMPrr(r1,r2), we are looking for SUB(r1,r2) or SUB(r2,r1).
-  MachineInstr *Sub = NULL;
+  MachineInstr *Sub = nullptr;
   if (SrcReg2 != 0)
     // MI is not a candidate for CMPrr.
-    MI = NULL;
+    MI = nullptr;
   // FIXME: Conservatively refuse to convert an instruction which isn't in the
   // same BB as the comparison. This is to allow the check below to avoid calls
   // (and other explicit clobbers); instead we should really check for these