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[C++] Use 'nullptr'.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207083 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-24 06:44:33 +00:00
parent 2c0470e781
commit e703fcb975
52 changed files with 299 additions and 291 deletions
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16
lib/ExecutionEngine/JIT/JITMemoryManager.cpp
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@@ -81,7 +81,7 @@ namespace {
/// getFreeBlockBefore - If the block before this one is free, return it,
/// otherwise return null.
FreeRangeHeader *getFreeBlockBefore() const {
if (PrevAllocated) return 0;
if (PrevAllocated) return nullptr;
intptr_t PrevSize = reinterpret_cast<intptr_t *>(
const_cast<MemoryRangeHeader *>(this))[-1];
return reinterpret_cast<FreeRangeHeader *>(
@@ -175,7 +175,7 @@ FreeRangeHeader *MemoryRangeHeader::FreeBlock(FreeRangeHeader *FreeList) {
// coalesce with it, update our notion of what the free list is.
if (&FollowingFreeBlock == FreeList) {
FreeList = FollowingFreeBlock.Next;
FreeListToReturn = 0;
FreeListToReturn = nullptr;
assert(&FollowingFreeBlock != FreeList && "No tombstone block?");
}
FollowingFreeBlock.RemoveFromFreeList();
@@ -586,7 +586,7 @@ DefaultJITMemoryManager::DefaultJITMemoryManager()
#else
PoisonMemory(true),
#endif
LastSlab(0, 0), StubAllocator(*this), DataAllocator(*this) {
LastSlab(nullptr, 0), StubAllocator(*this), DataAllocator(*this) {
// Allocate space for code.
sys::MemoryBlock MemBlock = allocateNewSlab(DefaultCodeSlabSize);
@@ -639,7 +639,7 @@ DefaultJITMemoryManager::DefaultJITMemoryManager()
// Start out with the freelist pointing to Mem0.
FreeMemoryList = Mem0;
GOTBase = NULL;
GOTBase = nullptr;
}
void DefaultJITMemoryManager::AllocateGOT() {
@@ -658,9 +658,9 @@ DefaultJITMemoryManager::~DefaultJITMemoryManager() {
sys::MemoryBlock DefaultJITMemoryManager::allocateNewSlab(size_t size) {
// Allocate a new block close to the last one.
std::string ErrMsg;
sys::MemoryBlock *LastSlabPtr = LastSlab.base() ? &LastSlab : 0;
sys::MemoryBlock *LastSlabPtr = LastSlab.base() ? &LastSlab : nullptr;
sys::MemoryBlock B = sys::Memory::AllocateRWX(size, LastSlabPtr, &ErrMsg);
if (B.base() == 0) {
if (!B.base()) {
report_fatal_error("Allocation failed when allocating new memory in the"
" JIT\n" + Twine(ErrMsg));
}
@@ -721,7 +721,7 @@ bool DefaultJITMemoryManager::CheckInvariants(std::string &ErrorStr) {
char *End = Start + I->size();
// Check each memory range.
for (MemoryRangeHeader *Hdr = (MemoryRangeHeader*)Start, *LastHdr = NULL;
for (MemoryRangeHeader *Hdr = (MemoryRangeHeader*)Start, *LastHdr = nullptr;
Start <= (char*)Hdr && (char*)Hdr < End;
Hdr = &Hdr->getBlockAfter()) {
if (Hdr->ThisAllocated == 0) {
@@ -890,7 +890,7 @@ void *DefaultJITMemoryManager::getPointerToNamedFunction(const std::string &Name
report_fatal_error("Program used external function '"+Name+
"' which could not be resolved!");
}
return 0;
return nullptr;
}