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[C++11] Make use of 'nullptr' in the Support library.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205697 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2014-04-07 04:17:22 +00:00
parent b81024bc6e
commit 34bc6b6e78
75 changed files with 336 additions and 328 deletions
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14
lib/Support/ManagedStatic.cpp
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@@ -17,15 +17,15 @@
#include <cassert>
using namespace llvm;
static const ManagedStaticBase *StaticList = 0;
static const ManagedStaticBase *StaticList = nullptr;
void ManagedStaticBase::RegisterManagedStatic(void *(*Creator)(),
void (*Deleter)(void*)) const {
if (llvm_is_multithreaded()) {
llvm_acquire_global_lock();
if (Ptr == 0) {
void* tmp = Creator ? Creator() : 0;
if (Ptr == nullptr) {
void* tmp = Creator ? Creator() : nullptr;
TsanHappensBefore(this);
sys::MemoryFence();
@@ -47,7 +47,7 @@ void ManagedStaticBase::RegisterManagedStatic(void *(*Creator)(),
} else {
assert(Ptr == 0 && DeleterFn == 0 && Next == 0 &&
"Partially initialized ManagedStatic!?");
Ptr = Creator ? Creator() : 0;
Ptr = Creator ? Creator() : nullptr;
DeleterFn = Deleter;
// Add to list of managed statics.
@@ -62,14 +62,14 @@ void ManagedStaticBase::destroy() const {
"Not destroyed in reverse order of construction?");
// Unlink from list.
StaticList = Next;
Next = 0;
Next = nullptr;
// Destroy memory.
DeleterFn(Ptr);
// Cleanup.
Ptr = 0;
DeleterFn = 0;
Ptr = nullptr;
DeleterFn = nullptr;
}
/// llvm_shutdown - Deallocate and destroy all ManagedStatic variables.