1 //===-- LeakDetector.cpp - Implement LeakDetector interface ---------------===//
3 // This file implements the LeakDetector class.
5 //===----------------------------------------------------------------------===//
7 #include "Support/LeakDetector.h"
8 #include "llvm/Value.h"
12 // Lazily allocate set so that release build doesn't have to do anything.
13 static std::set<const void*> *Objects = 0;
14 static std::set<const Value*> *LLVMObjects = 0;
16 void LeakDetector::addGarbageObjectImpl(void *Object) {
18 Objects = new std::set<const void*>();
19 assert(Objects->count(Object) == 0 && "Object already in set!");
20 Objects->insert(Object);
23 void LeakDetector::removeGarbageObjectImpl(void *Object) {
25 Objects->erase(Object);
28 void LeakDetector::addGarbageObjectImpl(const Value *Object) {
30 LLVMObjects = new std::set<const Value*>();
31 assert(LLVMObjects->count(Object) == 0 && "Object already in set!");
32 LLVMObjects->insert(Object);
35 void LeakDetector::removeGarbageObjectImpl(const Value *Object) {
37 LLVMObjects->erase(Object);
40 void LeakDetector::checkForGarbageImpl(const std::string &Message) {
41 if ((Objects && !Objects->empty()) || (LLVMObjects && !LLVMObjects->empty())){
42 std::cerr << "Leaked objects found: " << Message << "\n";
44 if (Objects && !Objects->empty()) {
45 std::cerr << " Non-Value objects leaked:";
46 for (std::set<const void*>::iterator I = Objects->begin(),
47 E = Objects->end(); I != E; ++I)
48 std::cerr << " " << *I;
51 if (LLVMObjects && !LLVMObjects->empty()) {
52 std::cerr << " LLVM Value subclasses leaked:";
53 for (std::set<const Value*>::iterator I = LLVMObjects->begin(),
54 E = LLVMObjects->end(); I != E; ++I)
55 std::cerr << **I << "\n";
58 std::cerr << "This is probably because you removed an LLVM value "
59 << "(Instruction, BasicBlock, \netc), but didn't delete it. "
60 << "Please check your code for memory leaks.\n";
62 // Clear out results so we don't get duplicate warnings on next call...
63 delete Objects; delete LLVMObjects;
64 Objects = 0; LLVMObjects = 0;