SimplifyCFG: Range'ify some for-loops. No functional change.

[oota-llvm.git] / lib / Support / ThreadLocal.cpp

diff --git a/lib/Support/ThreadLocal.cpp b/lib/Support/ThreadLocal.cpp
index 0587aaec7e68fc2c9ca6dacef2095610dac2c2c1..2dec9eb417f5bf4324e7b014c825a16c2664e9c8 100644 (file)
--- a/lib/Support/ThreadLocal.cpp
+++ b/lib/Support/ThreadLocal.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Config/config.h"
+#include "llvm/Support/Compiler.h"
 #include "llvm/Support/ThreadLocal.h"
 
 //===----------------------------------------------------------------------===//
@@ -23,10 +24,10 @@
 // Define all methods as no-ops if threading is explicitly disabled
 namespace llvm {
 using namespace sys;
-ThreadLocalImpl::ThreadLocalImpl() { }
+ThreadLocalImpl::ThreadLocalImpl() : data() { }
 ThreadLocalImpl::~ThreadLocalImpl() { }
 void ThreadLocalImpl::setInstance(const void* d) {
-  typedef int SIZE_TOO_BIG[sizeof(d) <= sizeof(data) ? 1 : -1];
+  static_assert(sizeof(d) <= sizeof(data), "size too big");
   void **pd = reinterpret_cast<void**>(&data);
   *pd = const_cast<void*>(d);
 }
@@ -50,9 +51,9 @@ namespace llvm {
 using namespace sys;
 
 ThreadLocalImpl::ThreadLocalImpl() : data() {
-  typedef int SIZE_TOO_BIG[sizeof(pthread_key_t) <= sizeof(data) ? 1 : -1];
+  static_assert(sizeof(pthread_key_t) <= sizeof(data), "size too big");
   pthread_key_t* key = reinterpret_cast<pthread_key_t*>(&data);
-  int errorcode = pthread_key_create(key, NULL);
+  int errorcode = pthread_key_create(key, nullptr);
   assert(errorcode == 0);
   (void) errorcode;
 }
@@ -77,7 +78,7 @@ const void* ThreadLocalImpl::getInstance() {
 }
 
 void ThreadLocalImpl::removeInstance() {
-  setInstance(0);
+  setInstance(nullptr);
 }
 
 }