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Reapply [FastISel][X86] Use XOR to materialize the "0" value (r215594).
[oota-llvm.git]
/
lib
/
Support
/
PluginLoader.cpp
diff --git
a/lib/Support/PluginLoader.cpp
b/lib/Support/PluginLoader.cpp
index 3c9de89a4265d2b8ea513b768496a16c20471c7f..358137f08f5f86fbb1eecc9adf2ecfff905b1927 100644
(file)
--- a/
lib/Support/PluginLoader.cpp
+++ b/
lib/Support/PluginLoader.cpp
@@
-2,8
+2,8
@@
//
// The LLVM Compiler Infrastructure
//
//
// The LLVM Compiler Infrastructure
//
-// This file
was developed by the LLVM research group and is distributed under
-//
the University of Illinois Open Source
License. See LICENSE.TXT for details.
+// This file
is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
//
@@
-13,32
+13,35
@@
#define DONT_GET_PLUGIN_LOADER_OPTION
#include "llvm/Support/PluginLoader.h"
#define DONT_GET_PLUGIN_LOADER_OPTION
#include "llvm/Support/PluginLoader.h"
-#include "llvm/Support/Streams.h"
-#include "llvm/System/DynamicLibrary.h"
-#include <ostream>
+#include "llvm/Support/DynamicLibrary.h"
+#include "llvm/Support/ManagedStatic.h"
+#include "llvm/Support/Mutex.h"
+#include "llvm/Support/raw_ostream.h"
#include <vector>
using namespace llvm;
#include <vector>
using namespace llvm;
-static std::vector<std::string> *Plugins;
+static ManagedStatic<std::vector<std::string> > Plugins;
+static ManagedStatic<sys::SmartMutex<true> > PluginsLock;
void PluginLoader::operator=(const std::string &Filename) {
void PluginLoader::operator=(const std::string &Filename) {
- if (!Plugins)
- Plugins = new std::vector<std::string>();
-
+ sys::SmartScopedLock<true> Lock(*PluginsLock);
std::string Error;
if (sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str(), &Error)) {
std::string Error;
if (sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str(), &Error)) {
-
cerr
<< "Error opening '" << Filename << "': " << Error
- << "\n -load request ignored.\n";
+
errs()
<< "Error opening '" << Filename << "': " << Error
+
<< "\n -load request ignored.\n";
} else {
Plugins->push_back(Filename);
}
}
unsigned PluginLoader::getNumPlugins() {
} else {
Plugins->push_back(Filename);
}
}
unsigned PluginLoader::getNumPlugins() {
- return Plugins ? Plugins->size() : 0;
+ sys::SmartScopedLock<true> Lock(*PluginsLock);
+ return Plugins.isConstructed() ? Plugins->size() : 0;
}
std::string &PluginLoader::getPlugin(unsigned num) {
}
std::string &PluginLoader::getPlugin(unsigned num) {
- assert(Plugins && num < Plugins->size() && "Asking for an out of bounds plugin");
+ sys::SmartScopedLock<true> Lock(*PluginsLock);
+ assert(Plugins.isConstructed() && num < Plugins->size() &&
+ "Asking for an out of bounds plugin");
return (*Plugins)[num];
}
return (*Plugins)[num];
}