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Differential D49165 Diff 204348 lib/Analysis/MemoryBuiltins.cpp

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lib/Analysis/MemoryBuiltins.cpp

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	/// Tests if a value is a call or invoke to a library function that			/// Tests if a value is a call or invoke to a library function that
	/// allocates memory (either malloc, calloc, or strdup like).			/// allocates memory (either malloc, calloc, or strdup like).
	bool llvm::isAllocLikeFn(const Value V, const TargetLibraryInfo TLI,			bool llvm::isAllocLikeFn(const Value V, const TargetLibraryInfo TLI,
	bool LookThroughBitCast) {			bool LookThroughBitCast) {
	return getAllocationData(V, AllocLike, TLI, LookThroughBitCast).hasValue();			return getAllocationData(V, AllocLike, TLI, LookThroughBitCast).hasValue();
	}			}

				/// Tests if a value is a call or invoke to a library function that
				/// reallocates memory (e.g., realloc).
				bool llvm::isReallocLikeFn(const Value V, const TargetLibraryInfo TLI,
				bool LookThroughBitCast) {
				return getAllocationData(V, ReallocLike, TLI, LookThroughBitCast).hasValue();
				}
				jdoerfertUnsubmitted Not Done Reply Inline Actions See my comment at the use. jdoerfert: See my comment at the use.

	/// extractMallocCall - Returns the corresponding CallInst if the instruction			/// extractMallocCall - Returns the corresponding CallInst if the instruction
	/// is a malloc call. Since CallInst::CreateMalloc() only creates calls, we			/// is a malloc call. Since CallInst::CreateMalloc() only creates calls, we
	/// ignore InvokeInst here.			/// ignore InvokeInst here.
	const CallInst llvm::extractMallocCall(const Value I,			const CallInst llvm::extractMallocCall(const Value I,
	const TargetLibraryInfo *TLI) {			const TargetLibraryInfo *TLI) {
	return isMallocLikeFn(I, TLI) ? dyn_cast<CallInst>(I) : nullptr;			return isMallocLikeFn(I, TLI) ? dyn_cast<CallInst>(I) : nullptr;
	}			}

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