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[C++11] More 'nullptr' conversion. In some cases just using a boolean check instead of comparing to nullptr.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206142 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-14 00:51:57 +00:00
parent b9ed50cf17
commit 4ba844388c
169 changed files with 1547 additions and 1489 deletions
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18
lib/CodeGen/LiveDebugVariables.cpp
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@ -64,7 +64,7 @@ void LiveDebugVariables::getAnalysisUsage(AnalysisUsage &AU) const {
MachineFunctionPass::getAnalysisUsage(AU);
}
LiveDebugVariables::LiveDebugVariables() : MachineFunctionPass(ID), pImpl(0) {
LiveDebugVariables::LiveDebugVariables() : MachineFunctionPass(ID), pImpl(nullptr) {
initializeLiveDebugVariablesPass(*PassRegistry::getPassRegistry());
}
@ -139,7 +139,7 @@ public:
UserValue(const MDNode *var, unsigned o, bool i, DebugLoc L,
LocMap::Allocator &alloc)
: variable(var), offset(o), IsIndirect(i), dl(L), leader(this),
next(0), locInts(alloc)
next(nullptr), locInts(alloc)
{}
/// getLeader - Get the leader of this value's equivalence class.
@ -444,7 +444,7 @@ void LDVImpl::mapVirtReg(unsigned VirtReg, UserValue *EC) {
UserValue *LDVImpl::lookupVirtReg(unsigned VirtReg) {
if (UserValue *UV = virtRegToEqClass.lookup(VirtReg))
return UV->getLeader();
return 0;
return nullptr;
}
bool LDVImpl::handleDebugValue(MachineInstr *MI, SlotIndex Idx) {
@ -646,14 +646,14 @@ UserValue::computeIntervals(MachineRegisterInfo &MRI,
const MachineOperand &Loc = locations[LocNo];
if (!Loc.isReg()) {
extendDef(Idx, LocNo, 0, 0, 0, LIS, MDT, UVS);
extendDef(Idx, LocNo, nullptr, nullptr, nullptr, LIS, MDT, UVS);
continue;
}
// Register locations are constrained to where the register value is live.
if (TargetRegisterInfo::isVirtualRegister(Loc.getReg())) {
LiveInterval *LI = 0;
const VNInfo *VNI = 0;
LiveInterval *LI = nullptr;
const VNInfo *VNI = nullptr;
if (LIS.hasInterval(Loc.getReg())) {
LI = &LIS.getInterval(Loc.getReg());
VNI = LI->getVNInfoAt(Idx);
@ -670,7 +670,7 @@ UserValue::computeIntervals(MachineRegisterInfo &MRI,
LiveRange *LR = &LIS.getRegUnit(Unit);
const VNInfo *VNI = LR->getVNInfoAt(Idx);
// Don't track copies from physregs, it is too expensive.
extendDef(Idx, LocNo, LR, VNI, 0, LIS, MDT, UVS);
extendDef(Idx, LocNo, LR, VNI, nullptr, LIS, MDT, UVS);
}
// Finally, erase all the undefs.
@ -733,7 +733,7 @@ UserValue::splitLocation(unsigned OldLocNo, ArrayRef<unsigned> NewRegs,
LiveIntervals& LIS) {
DEBUG({
dbgs() << "Splitting Loc" << OldLocNo << '\t';
print(dbgs(), 0);
print(dbgs(), nullptr);
});
bool DidChange = false;
LocMap::iterator LocMapI;
@ -823,7 +823,7 @@ UserValue::splitLocation(unsigned OldLocNo, ArrayRef<unsigned> NewRegs,
}
}
DEBUG({dbgs() << "Split result: \t"; print(dbgs(), 0);});
DEBUG({dbgs() << "Split result: \t"; print(dbgs(), nullptr);});
return DidChange;
}