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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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14
lib/CodeGen/InlineSpiller.cpp
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@@ -121,7 +121,7 @@ public:
SibValueInfo(unsigned Reg, VNInfo *VNI)
: AllDefsAreReloads(true), DefByOrigPHI(false), KillsSource(false),
SpillReg(Reg), SpillVNI(VNI), SpillMBB(0), DefMI(0) {}
SpillReg(Reg), SpillVNI(VNI), SpillMBB(nullptr), DefMI(nullptr) {}
// Returns true when a def has been found.
bool hasDef() const { return DefByOrigPHI || DefMI; }
@@ -167,7 +167,7 @@ private:
bool isSibling(unsigned Reg);
MachineInstr *traceSiblingValue(unsigned, VNInfo*, VNInfo*);
void propagateSiblingValue(SibValueMap::iterator, VNInfo *VNI = 0);
void propagateSiblingValue(SibValueMap::iterator, VNInfo *VNI = nullptr);
void analyzeSiblingValues();
bool hoistSpill(LiveInterval &SpillLI, MachineInstr *CopyMI);
@@ -179,7 +179,7 @@ private:
bool coalesceStackAccess(MachineInstr *MI, unsigned Reg);
bool foldMemoryOperand(ArrayRef<std::pair<MachineInstr*, unsigned> >,
MachineInstr *LoadMI = 0);
MachineInstr *LoadMI = nullptr);
void insertReload(unsigned VReg, SlotIndex, MachineBasicBlock::iterator MI);
void insertSpill(unsigned VReg, bool isKill, MachineBasicBlock::iterator MI);
@@ -236,7 +236,7 @@ bool InlineSpiller::isSnippet(const LiveInterval &SnipLI) {
if (SnipLI.getNumValNums() > 2 || !LIS.intervalIsInOneMBB(SnipLI))
return false;
MachineInstr *UseMI = 0;
MachineInstr *UseMI = nullptr;
// Check that all uses satisfy our criteria.
for (MachineRegisterInfo::reg_instr_nodbg_iterator
@@ -367,7 +367,7 @@ void InlineSpiller::propagateSiblingValue(SibValueMap::iterator SVIIter,
do {
SVI = WorkList.pop_back_val();
TinyPtrVector<VNInfo*> *Deps = VNI ? &FirstDeps : &SVI->second.Deps;
VNI = 0;
VNI = nullptr;
SibValueInfo &SV = SVI->second;
if (!SV.SpillMBB)
@@ -659,7 +659,7 @@ void InlineSpiller::analyzeSiblingValues() {
VNInfo *VNI = *VI;
if (VNI->isUnused())
continue;
MachineInstr *DefMI = 0;
MachineInstr *DefMI = nullptr;
if (!VNI->isPHIDef()) {
DefMI = LIS.getInstructionFromIndex(VNI->def);
assert(DefMI && "No defining instruction");
@@ -1359,7 +1359,7 @@ void InlineSpiller::spill(LiveRangeEdit &edit) {
// Share a stack slot among all descendants of Original.
Original = VRM.getOriginal(edit.getReg());
StackSlot = VRM.getStackSlot(Original);
StackInt = 0;
StackInt = nullptr;
DEBUG(dbgs() << "Inline spilling "
<< MRI.getRegClass(edit.getReg())->getName()