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