const TargetLibraryInfo *TLI,
bool LookThroughSExt = false) {
if (!CI)
- return NULL;
+ return 0;
// The size of the malloc's result type must be known to determine array size.
Type *T = getMallocAllocatedType(CI, TLI);
if (!T || !T->isSized() || !TD)
- return NULL;
+ return 0;
unsigned ElementSize = TD->getTypeAllocSize(T);
if (StructType *ST = dyn_cast<StructType>(T))
// If malloc call's arg can be determined to be a multiple of ElementSize,
// return the multiple. Otherwise, return NULL.
Value *MallocArg = CI->getArgOperand(0);
- Value *Multiple = NULL;
+ Value *Multiple = 0;
if (ComputeMultiple(MallocArg, ElementSize, Multiple,
LookThroughSExt))
return Multiple;
- return NULL;
+ return 0;
}
/// isArrayMalloc - Returns the corresponding CallInst if the instruction
return CI;
// CI is a non-array malloc or we can't figure out that it is an array malloc.
- return NULL;
+ return 0;
}
/// getMallocType - Returns the PointerType resulting from the malloc call.
const TargetLibraryInfo *TLI) {
assert(isMallocLikeFn(CI, TLI) && "getMallocType and not malloc call");
- PointerType *MallocType = NULL;
+ PointerType *MallocType = 0;
unsigned NumOfBitCastUses = 0;
// Determine if CallInst has a bitcast use.
return cast<PointerType>(CI->getType());
// Type could not be determined.
- return NULL;
+ return 0;
}
/// getMallocAllocatedType - Returns the Type allocated by malloc call.
Type *llvm::getMallocAllocatedType(const CallInst *CI,
const TargetLibraryInfo *TLI) {
PointerType *PT = getMallocType(CI, TLI);
- return PT ? PT->getElementType() : NULL;
+ return PT ? PT->getElementType() : 0;
}
/// getMallocArraySize - Returns the array size of a malloc call. If the