namespace llvm {
class CallInst;
-class LLVMContext;
class PointerType;
class TargetData;
class Type;
/// isMalloc - Returns true if the value is either a malloc call or a bitcast of
/// the result of a malloc call
-bool isMalloc(const Value* I);
+bool isMalloc(const Value *I);
/// extractMallocCall - Returns the corresponding CallInst if the instruction
/// is a malloc call. Since CallInst::CreateMalloc() only creates calls, we
/// ignore InvokeInst here.
-const CallInst* extractMallocCall(const Value* I);
-CallInst* extractMallocCall(Value* I);
+const CallInst *extractMallocCall(const Value *I);
+CallInst *extractMallocCall(Value *I);
/// extractMallocCallFromBitCast - Returns the corresponding CallInst if the
/// instruction is a bitcast of the result of a malloc call.
-const CallInst* extractMallocCallFromBitCast(const Value* I);
-CallInst* extractMallocCallFromBitCast(Value* I);
+const CallInst *extractMallocCallFromBitCast(const Value *I);
+CallInst *extractMallocCallFromBitCast(Value *I);
/// isArrayMalloc - Returns the corresponding CallInst if the instruction
/// is a call to malloc whose array size can be determined and the array size
/// is not constant 1. Otherwise, return NULL.
-CallInst* isArrayMalloc(Value* I, LLVMContext &Context, const TargetData* TD);
-const CallInst* isArrayMalloc(const Value* I, LLVMContext &Context,
- const TargetData* TD);
+const CallInst *isArrayMalloc(const Value *I, const TargetData *TD);
/// getMallocType - Returns the PointerType resulting from the malloc call.
/// The PointerType depends on the number of bitcast uses of the malloc call:
/// 0: PointerType is the malloc calls' return type.
/// 1: PointerType is the bitcast's result type.
/// >1: Unique PointerType cannot be determined, return NULL.
-const PointerType* getMallocType(const CallInst* CI);
+const PointerType *getMallocType(const CallInst *CI);
/// getMallocAllocatedType - Returns the Type allocated by malloc call.
/// The Type depends on the number of bitcast uses of the malloc call:
/// 0: PointerType is the malloc calls' return type.
/// 1: PointerType is the bitcast's result type.
/// >1: Unique PointerType cannot be determined, return NULL.
-const Type* getMallocAllocatedType(const CallInst* CI);
+const Type *getMallocAllocatedType(const CallInst *CI);
/// getMallocArraySize - Returns the array size of a malloc call. If the
/// argument passed to malloc is a multiple of the size of the malloced type,
/// then return that multiple. For non-array mallocs, the multiple is
/// constant 1. Otherwise, return NULL for mallocs whose array size cannot be
/// determined.
-Value* getMallocArraySize(CallInst* CI, LLVMContext &Context,
- const TargetData* TD);
+Value *getMallocArraySize(CallInst *CI, const TargetData *TD,
+ bool LookThroughSExt = false);
//===----------------------------------------------------------------------===//
// free Call Utility Functions.
//
-/// isFreeCall - Returns true if the the value is a call to the builtin free()
-bool isFreeCall(const Value* I);
+/// isFreeCall - Returns non-null if the value is a call to the builtin free()
+const CallInst *isFreeCall(const Value *I);
+
+static inline CallInst *isFreeCall(Value *I) {
+ return const_cast<CallInst*>(isFreeCall((const Value*)I));
+}
} // End llvm namespace