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Apparently MSVC doesn't support thread-safe static local initialization. Roll our own solution instead.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116489 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson 2010-10-14 17:26:06 +00:00
parent 2d294f564b
commit 05b4af7078
1 changed files with 23 additions and 23 deletions
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46
include/llvm/PassSupport.h
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@ -24,7 +24,7 @@
#include "Pass.h"
#include "llvm/PassRegistry.h"
#include "llvm/InitializePasses.h"
#include "llvm/Support/Compiler.h"
#include "llvm/System/Atomic.h"
#include <vector>
namespace llvm {
@ -137,10 +137,10 @@ private:
return PI; \
} \
void llvm::initialize##passName##Pass(PassRegistry &Registry) { \
ATTRIBUTE_USED \
static void* initialized = initialize##passName##PassOnce(Registry); \
} \
static RegisterPass<passName> passName ## _info(arg, name, cfg, analysis);
static sys::cas_flag initialized = 0; \
sys::cas_flag old_val = sys::CompareAndSwap(&initialized, 1, 0); \
if (old_val == 0) initialize##passName##PassOnce(Registry); \
}
#define INITIALIZE_PASS_BEGIN(passName, arg, name, cfg, analysis) \
static void* initialize##passName##PassOnce(PassRegistry &Registry) {
@ -157,10 +157,10 @@ private:
return PI; \
} \
void llvm::initialize##passName##Pass(PassRegistry &Registry) { \
ATTRIBUTE_USED \
static void* initialized = initialize##passName##PassOnce(Registry); \
} \
static RegisterPass<passName> passName ## _info(arg, name, cfg, analysis);
static sys::cas_flag initialized = 0; \
sys::cas_flag old_val = sys::CompareAndSwap(&initialized, 1, 0); \
if (old_val == 0) initialize##passName##PassOnce(Registry); \
}
template<typename PassName>
Pass *callDefaultCtor() { return new PassName(); }
@ -244,10 +244,11 @@ struct RegisterAnalysisGroup : public RegisterAGBase {
return AI; \
} \
void llvm::initialize##agName##AnalysisGroup(PassRegistry &Registry) { \
ATTRIBUTE_USED static void* initialized = \
initialize##agName##AnalysisGroupOnce(Registry); \
} \
static RegisterAnalysisGroup<agName> agName##_info (name);
static sys::cas_flag initialized = 0; \
sys::cas_flag old_val = sys::CompareAndSwap(&initialized, 1, 0); \
if (old_val == 0) initialize##agName##AnalysisGroupOnce(Registry); \
}
#define INITIALIZE_AG_PASS(passName, agName, arg, name, cfg, analysis, def) \
static void* initialize##passName##PassOnce(PassRegistry &Registry) { \
@ -260,11 +261,11 @@ struct RegisterAnalysisGroup : public RegisterAGBase {
return AI; \
} \
void llvm::initialize##passName##Pass(PassRegistry &Registry) { \
ATTRIBUTE_USED \
static void* initialized = initialize##passName##PassOnce(Registry); \
} \
static RegisterPass<passName> passName ## _info(arg, name, cfg, analysis); \
static RegisterAnalysisGroup<agName, def> passName ## _ag(passName ## _info);
static sys::cas_flag initialized = 0; \
sys::cas_flag old_val = sys::CompareAndSwap(&initialized, 1, 0); \
if (old_val == 0) initialize##passName##PassOnce(Registry); \
}
#define INITIALIZE_AG_PASS_BEGIN(passName, agName, arg, n, cfg, analysis, def) \
static void* initialize##passName##PassOnce(PassRegistry &Registry) {
@ -279,11 +280,10 @@ struct RegisterAnalysisGroup : public RegisterAGBase {
return AI; \
} \
void llvm::initialize##passName##Pass(PassRegistry &Registry) { \
ATTRIBUTE_USED \
static void* initialized = initialize##passName##PassOnce(Registry); \
} \
static RegisterPass<passName> passName ## _info(arg, n, cfg, analysis); \
static RegisterAnalysisGroup<agName, def> passName ## _ag(passName ## _info);
static sys::cas_flag initialized = 0; \
sys::cas_flag old_val = sys::CompareAndSwap(&initialized, 1, 0); \
if (old_val == 0) initialize##passName##PassOnce(Registry); \
}
//===---------------------------------------------------------------------------
/// PassRegistrationListener class - This class is meant to be derived from by