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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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66
include/llvm/CodeGen/MachineRegisterInfo.h
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@@ -135,7 +135,7 @@ public:
// notifications, we will need to change to using a list.
assert(TheDelegate == delegate &&
"Only the current delegate can perform reset!");
TheDelegate = 0;
TheDelegate = nullptr;
}
void setDelegate(Delegate *delegate) {
@@ -223,7 +223,7 @@ public:
reg_iterator reg_begin(unsigned RegNo) const {
return reg_iterator(getRegUseDefListHead(RegNo));
}
static reg_iterator reg_end() { return reg_iterator(0); }
static reg_iterator reg_end() { return reg_iterator(nullptr); }
inline iterator_range<reg_iterator> reg_operands(unsigned Reg) const {
return iterator_range<reg_iterator>(reg_begin(Reg), reg_end());
@@ -236,7 +236,9 @@ public:
reg_instr_iterator reg_instr_begin(unsigned RegNo) const {
return reg_instr_iterator(getRegUseDefListHead(RegNo));
}
static reg_instr_iterator reg_instr_end() { return reg_instr_iterator(0); }
static reg_instr_iterator reg_instr_end() {
return reg_instr_iterator(nullptr);
}
inline iterator_range<reg_instr_iterator>
reg_instructions(unsigned Reg) const {
@@ -251,7 +253,9 @@ public:
reg_bundle_iterator reg_bundle_begin(unsigned RegNo) const {
return reg_bundle_iterator(getRegUseDefListHead(RegNo));
}
static reg_bundle_iterator reg_bundle_end() { return reg_bundle_iterator(0); }
static reg_bundle_iterator reg_bundle_end() {
return reg_bundle_iterator(nullptr);
}
inline iterator_range<reg_bundle_iterator> reg_bundles(unsigned Reg) const {
return iterator_range<reg_bundle_iterator>(reg_bundle_begin(Reg),
@@ -269,7 +273,9 @@ public:
reg_nodbg_iterator reg_nodbg_begin(unsigned RegNo) const {
return reg_nodbg_iterator(getRegUseDefListHead(RegNo));
}
static reg_nodbg_iterator reg_nodbg_end() { return reg_nodbg_iterator(0); }
static reg_nodbg_iterator reg_nodbg_end() {
return reg_nodbg_iterator(nullptr);
}
inline iterator_range<reg_nodbg_iterator>
reg_nodbg_operands(unsigned Reg) const {
@@ -286,7 +292,7 @@ public:
return reg_instr_nodbg_iterator(getRegUseDefListHead(RegNo));
}
static reg_instr_nodbg_iterator reg_instr_nodbg_end() {
return reg_instr_nodbg_iterator(0);
return reg_instr_nodbg_iterator(nullptr);
}
inline iterator_range<reg_instr_nodbg_iterator>
@@ -304,7 +310,7 @@ public:
return reg_bundle_nodbg_iterator(getRegUseDefListHead(RegNo));
}
static reg_bundle_nodbg_iterator reg_bundle_nodbg_end() {
return reg_bundle_nodbg_iterator(0);
return reg_bundle_nodbg_iterator(nullptr);
}
inline iterator_range<reg_bundle_nodbg_iterator>
@@ -325,7 +331,7 @@ public:
def_iterator def_begin(unsigned RegNo) const {
return def_iterator(getRegUseDefListHead(RegNo));
}
static def_iterator def_end() { return def_iterator(0); }
static def_iterator def_end() { return def_iterator(nullptr); }
inline iterator_range<def_iterator> def_operands(unsigned Reg) const {
return iterator_range<def_iterator>(def_begin(Reg), def_end());
@@ -338,7 +344,9 @@ public:
def_instr_iterator def_instr_begin(unsigned RegNo) const {
return def_instr_iterator(getRegUseDefListHead(RegNo));
}
static def_instr_iterator def_instr_end() { return def_instr_iterator(0); }
static def_instr_iterator def_instr_end() {
return def_instr_iterator(nullptr);
}
inline iterator_range<def_instr_iterator>
def_instructions(unsigned Reg) const {
@@ -353,7 +361,9 @@ public:
def_bundle_iterator def_bundle_begin(unsigned RegNo) const {
return def_bundle_iterator(getRegUseDefListHead(RegNo));
}
static def_bundle_iterator def_bundle_end() { return def_bundle_iterator(0); }
static def_bundle_iterator def_bundle_end() {
return def_bundle_iterator(nullptr);
}
inline iterator_range<def_bundle_iterator> def_bundles(unsigned Reg) const {
return iterator_range<def_bundle_iterator>(def_bundle_begin(Reg),
@@ -379,7 +389,7 @@ public:
use_iterator use_begin(unsigned RegNo) const {
return use_iterator(getRegUseDefListHead(RegNo));
}
static use_iterator use_end() { return use_iterator(0); }
static use_iterator use_end() { return use_iterator(nullptr); }
inline iterator_range<use_iterator> use_operands(unsigned Reg) const {
return iterator_range<use_iterator>(use_begin(Reg), use_end());
@@ -392,7 +402,9 @@ public:
use_instr_iterator use_instr_begin(unsigned RegNo) const {
return use_instr_iterator(getRegUseDefListHead(RegNo));
}
static use_instr_iterator use_instr_end() { return use_instr_iterator(0); }
static use_instr_iterator use_instr_end() {
return use_instr_iterator(nullptr);
}
inline iterator_range<use_instr_iterator>
use_instructions(unsigned Reg) const {
@@ -407,7 +419,9 @@ public:
use_bundle_iterator use_bundle_begin(unsigned RegNo) const {
return use_bundle_iterator(getRegUseDefListHead(RegNo));
}
static use_bundle_iterator use_bundle_end() { return use_bundle_iterator(0); }
static use_bundle_iterator use_bundle_end() {
return use_bundle_iterator(nullptr);
}
inline iterator_range<use_bundle_iterator> use_bundles(unsigned Reg) const {
return iterator_range<use_bundle_iterator>(use_bundle_begin(Reg),
@@ -434,7 +448,9 @@ public:
use_nodbg_iterator use_nodbg_begin(unsigned RegNo) const {
return use_nodbg_iterator(getRegUseDefListHead(RegNo));
}
static use_nodbg_iterator use_nodbg_end() { return use_nodbg_iterator(0); }
static use_nodbg_iterator use_nodbg_end() {
return use_nodbg_iterator(nullptr);
}
inline iterator_range<use_nodbg_iterator>
use_nodbg_operands(unsigned Reg) const {
@@ -451,7 +467,7 @@ public:
return use_instr_nodbg_iterator(getRegUseDefListHead(RegNo));
}
static use_instr_nodbg_iterator use_instr_nodbg_end() {
return use_instr_nodbg_iterator(0);
return use_instr_nodbg_iterator(nullptr);
}
inline iterator_range<use_instr_nodbg_iterator>
@@ -469,7 +485,7 @@ public:
return use_bundle_nodbg_iterator(getRegUseDefListHead(RegNo));
}
static use_bundle_nodbg_iterator use_bundle_nodbg_end() {
return use_bundle_nodbg_iterator(0);
return use_bundle_nodbg_iterator(nullptr);
}
inline iterator_range<use_bundle_nodbg_iterator>
@@ -779,7 +795,7 @@ public:
if (!ReturnUses) {
if (Op) {
if (Op->isUse())
Op = 0;
Op = nullptr;
else
assert(!Op->isDebug() && "Can't have debug defs");
}
@@ -797,7 +813,7 @@ public:
MachineInstr, ptrdiff_t>::pointer pointer;
defusechain_iterator(const defusechain_iterator &I) : Op(I.Op) {}
defusechain_iterator() : Op(0) {}
defusechain_iterator() : Op(nullptr) {}
bool operator==(const defusechain_iterator &x) const {
return Op == x.Op;
@@ -807,7 +823,7 @@ public:
}
/// atEnd - return true if this iterator is equal to reg_end() on the value.
bool atEnd() const { return Op == 0; }
bool atEnd() const { return Op == nullptr; }
// Iterator traversal: forward iteration only
defusechain_iterator &operator++() { // Preincrement
@@ -882,7 +898,7 @@ public:
if (!ReturnUses) {
if (Op) {
if (Op->isUse())
Op = 0;
Op = nullptr;
else
assert(!Op->isDebug() && "Can't have debug defs");
}
@@ -900,7 +916,7 @@ public:
MachineInstr, ptrdiff_t>::pointer pointer;
defusechain_instr_iterator(const defusechain_instr_iterator &I) : Op(I.Op){}
defusechain_instr_iterator() : Op(0) {}
defusechain_instr_iterator() : Op(nullptr) {}
bool operator==(const defusechain_instr_iterator &x) const {
return Op == x.Op;
@@ -910,7 +926,7 @@ public:
}
/// atEnd - return true if this iterator is equal to reg_end() on the value.
bool atEnd() const { return Op == 0; }
bool atEnd() const { return Op == nullptr; }
// Iterator traversal: forward iteration only
defusechain_instr_iterator &operator++() { // Preincrement
@@ -957,7 +973,7 @@ class PSetIterator {
const int *PSet;
unsigned Weight;
public:
PSetIterator(): PSet(0), Weight(0) {}
PSetIterator(): PSet(nullptr), Weight(0) {}
PSetIterator(unsigned RegUnit, const MachineRegisterInfo *MRI) {
const TargetRegisterInfo *TRI = MRI->getTargetRegisterInfo();
if (TargetRegisterInfo::isVirtualRegister(RegUnit)) {
@@ -970,7 +986,7 @@ public:
Weight = TRI->getRegUnitWeight(RegUnit);
}
if (*PSet == -1)
PSet = 0;
PSet = nullptr;
}
bool isValid() const { return PSet; }
@@ -982,7 +998,7 @@ public:
assert(isValid() && "Invalid PSetIterator.");
++PSet;
if (*PSet == -1)
PSet = 0;
PSet = nullptr;
}
};