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types don't need atomic inc/dec, they are local to an llvmcontext.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91873 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -7,14 +7,12 @@
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TYPE_H
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#define LLVM_TYPE_H
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#include "llvm/AbstractTypeUser.h"
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#include "llvm/Support/Casting.h"
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#include "llvm/System/DataTypes.h"
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#include "llvm/System/Atomic.h"
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#include "llvm/ADT/GraphTraits.h"
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#include <string>
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#include <vector>
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@ -104,7 +102,7 @@ private:
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/// has no AbstractTypeUsers, the type is deleted. This is only sensical for
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/// derived types.
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///
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mutable sys::cas_flag RefCount;
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mutable unsigned RefCount;
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/// Context - This refers to the LLVMContext in which this type was uniqued.
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LLVMContext &Context;
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@ -401,7 +399,7 @@ public:
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void addRef() const {
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assert(isAbstract() && "Cannot add a reference to a non-abstract type!");
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sys::AtomicIncrement(&RefCount);
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++RefCount;
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}
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void dropRef() const {
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@ -410,8 +408,7 @@ public:
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// If this is the last PATypeHolder using this object, and there are no
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// PATypeHandles using it, the type is dead, delete it now.
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sys::cas_flag OldCount = sys::AtomicDecrement(&RefCount);
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if (OldCount == 0 && AbstractTypeUsers.empty())
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if (RefCount-- == 0 && AbstractTypeUsers.empty())
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this->destroy();
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}
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