[C++] Use 'nullptr'.
llvm-svn: 207083
diff --git a/llvm/lib/ExecutionEngine/JIT/JITMemoryManager.cpp b/llvm/lib/ExecutionEngine/JIT/JITMemoryManager.cpp
index e5e0cfa..d0e3813 100644
--- a/llvm/lib/ExecutionEngine/JIT/JITMemoryManager.cpp
+++ b/llvm/lib/ExecutionEngine/JIT/JITMemoryManager.cpp
@@ -81,7 +81,7 @@
/// 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 @@
// 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 @@
#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 @@
// Start out with the freelist pointing to Mem0.
FreeMemoryList = Mem0;
- GOTBase = NULL;
+ GOTBase = nullptr;
}
void DefaultJITMemoryManager::AllocateGOT() {
@@ -658,9 +658,9 @@
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 @@
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 @@
report_fatal_error("Program used external function '"+Name+
"' which could not be resolved!");
}
- return 0;
+ return nullptr;
}