CaptureTracking.h revision 0764e39a921ae424e2ac8c7ba114b67040eba8f6
1//===----- llvm/Analysis/CaptureTracking.h - Pointer capture ----*- C++ -*-===// 2// 3// The LLVM Compiler Infrastructure 4// 5// This file is distributed under the University of Illinois Open Source 6// License. See LICENSE.TXT for details. 7// 8//===----------------------------------------------------------------------===// 9// 10// This file contains routines that help determine which pointers are captured. 11// 12//===----------------------------------------------------------------------===// 13 14#ifndef LLVM_ANALYSIS_CAPTURETRACKING_H 15#define LLVM_ANALYSIS_CAPTURETRACKING_H 16 17namespace llvm { 18 class Value; 19 20 /// PointerMayBeCaptured - Return true if this pointer value may be captured 21 /// by the enclosing function (which is required to exist). This routine can 22 /// be expensive, so consider caching the results. The boolean ReturnCaptures 23 /// specifies whether returning the value (or part of it) from the function 24 /// counts as capturing it or not. The boolean StoreCaptures specified 25 /// whether storing the value (or part of it) into memory anywhere 26 /// automatically counts as capturing it or not. 27 bool PointerMayBeCaptured(const Value *V, 28 bool ReturnCaptures, 29 bool StoreCaptures); 30 31} // end namespace llvm 32 33#endif 34