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-rw-r--r--include/llvm/IR/LeakDetector.h92
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diff --git a/include/llvm/IR/LeakDetector.h b/include/llvm/IR/LeakDetector.h
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--- a/include/llvm/IR/LeakDetector.h
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-//===- LeakDetector.h - Provide leak detection ------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines a class that can be used to provide very simple memory leak
-// checks for an API. Basically LLVM uses this to make sure that Instructions,
-// for example, are deleted when they are supposed to be, and not leaked away.
-//
-// When compiling with NDEBUG (Release build), this class does nothing, thus
-// adding no checking overhead to release builds. Note that this class is
-// implemented in a very simple way, requiring completely manual manipulation
-// and checking for garbage, but this is intentional: users should not be using
-// this API, only other APIs should.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_IR_LEAKDETECTOR_H
-#define LLVM_IR_LEAKDETECTOR_H
-
-#include <string>
-
-namespace llvm {
-
-class LLVMContext;
-class Value;
-
-struct LeakDetector {
- /// addGarbageObject - Add a pointer to the internal set of "garbage" object
- /// pointers. This should be called when objects are created, or if they are
- /// taken out of an owning collection.
- ///
- static void addGarbageObject(void *Object) {
-#ifndef NDEBUG
- addGarbageObjectImpl(Object);
-#endif
- }
-
- /// removeGarbageObject - Remove a pointer from our internal representation of
- /// our "garbage" objects. This should be called when an object is added to
- /// an "owning" collection.
- ///
- static void removeGarbageObject(void *Object) {
-#ifndef NDEBUG
- removeGarbageObjectImpl(Object);
-#endif
- }
-
- /// checkForGarbage - Traverse the internal representation of garbage
- /// pointers. If there are any pointers that have been add'ed, but not
- /// remove'd, big obnoxious warnings about memory leaks are issued.
- ///
- /// The specified message will be printed indicating when the check was
- /// performed.
- ///
- static void checkForGarbage(LLVMContext &C, const std::string &Message) {
-#ifndef NDEBUG
- checkForGarbageImpl(C, Message);
-#endif
- }
-
- /// Overload the normal methods to work better with Value*'s because they are
- /// by far the most common in LLVM. This does not affect the actual
- /// functioning of this class, it just makes the warning messages nicer.
- ///
- static void addGarbageObject(const Value *Object) {
-#ifndef NDEBUG
- addGarbageObjectImpl(Object);
-#endif
- }
- static void removeGarbageObject(const Value *Object) {
-#ifndef NDEBUG
- removeGarbageObjectImpl(Object);
-#endif
- }
-
-private:
- // If we are debugging, the actual implementations will be called...
- static void addGarbageObjectImpl(const Value *Object);
- static void removeGarbageObjectImpl(const Value *Object);
- static void addGarbageObjectImpl(void *Object);
- static void removeGarbageObjectImpl(void *Object);
- static void checkForGarbageImpl(LLVMContext &C, const std::string &Message);
-};
-
-} // End llvm namespace
-
-#endif