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ExecutionEngine: unique_ptr-ify

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NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216362 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dylan Noblesmith 2014-08-25 00:58:18 +00:00
parent 444aa2d525
commit 1e321bba6e
1 changed files with 12 additions and 20 deletions
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32
lib/ExecutionEngine/ExecutionEngine.cpp
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@ -256,19 +256,9 @@ const GlobalValue *ExecutionEngine::getGlobalValueAtAddress(void *Addr) {
namespace {
class ArgvArray {
char *Array;
std::vector<char*> Values;
std::unique_ptr<char[]> Array;
std::vector<std::unique_ptr<char[]>> Values;
public:
ArgvArray() : Array(nullptr) {}
~ArgvArray() { clear(); }
void clear() {
delete[] Array;
Array = nullptr;
for (size_t I = 0, E = Values.size(); I != E; ++I) {
delete[] Values[I];
}
Values.clear();
}
/// Turn a vector of strings into a nice argv style array of pointers to null
/// terminated strings.
void *reset(LLVMContext &C, ExecutionEngine *EE,
@ -277,32 +267,34 @@ public:
} // anonymous namespace
void *ArgvArray::reset(LLVMContext &C, ExecutionEngine *EE,
const std::vector<std::string> &InputArgv) {
clear(); // Free the old contents.
Values.clear(); // Free the old contents.
Values.reserve(InputArgv.size());
unsigned PtrSize = EE->getDataLayout()->getPointerSize();
Array = new char[(InputArgv.size()+1)*PtrSize];
Array = make_unique<char[]>((InputArgv.size()+1)*PtrSize);
DEBUG(dbgs() << "JIT: ARGV = " << (void*)Array << "\n");
DEBUG(dbgs() << "JIT: ARGV = " << (void*)Array.get() << "\n");
Type *SBytePtr = Type::getInt8PtrTy(C);
for (unsigned i = 0; i != InputArgv.size(); ++i) {
unsigned Size = InputArgv[i].size()+1;
char *Dest = new char[Size];
Values.push_back(Dest);
auto DestOwner = make_unique<char[]>(Size);
char *Dest = DestOwner.get();
Values.push_back(std::move(DestOwner));
DEBUG(dbgs() << "JIT: ARGV[" << i << "] = " << (void*)Dest << "\n");
std::copy(InputArgv[i].begin(), InputArgv[i].end(), Dest);
Dest[Size-1] = 0;
// Endian safe: Array[i] = (PointerTy)Dest;
EE->StoreValueToMemory(PTOGV(Dest), (GenericValue*)(Array+i*PtrSize),
EE->StoreValueToMemory(PTOGV(Dest), (GenericValue*)(&Array[i*PtrSize]),
SBytePtr);
}
// Null terminate it
EE->StoreValueToMemory(PTOGV(nullptr),
(GenericValue*)(Array+InputArgv.size()*PtrSize),
(GenericValue*)(&Array[InputArgv.size()*PtrSize]),
SBytePtr);
return Array;
return Array.get();
}
void ExecutionEngine::runStaticConstructorsDestructors(Module &module,