1 //===- Transforms/Instrumentation.h - Instrumentation passes ----*- 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 defines constructor functions for instrumentation passes. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_TRANSFORMS_INSTRUMENTATION_H 15 #define LLVM_TRANSFORMS_INSTRUMENTATION_H 16 17 #include "llvm/ADT/StringRef.h" 18 19 namespace llvm { 20 21 class ModulePass; 22 class FunctionPass; 23 24 // Insert edge profiling instrumentation 25 ModulePass *createEdgeProfilerPass(); 26 27 // Insert optimal edge profiling instrumentation 28 ModulePass *createOptimalEdgeProfilerPass(); 29 30 // Insert path profiling instrumentation 31 ModulePass *createPathProfilerPass(); 32 33 // Insert GCOV profiling instrumentation 34 struct GCOVOptions { 35 static GCOVOptions getDefault(); 36 37 // Specify whether to emit .gcno files. 38 bool EmitNotes; 39 40 // Specify whether to modify the program to emit .gcda files when run. 41 bool EmitData; 42 43 // A four-byte version string. The meaning of a version string is described in 44 // gcc's gcov-io.h 45 char Version[4]; 46 47 // Emit a "cfg checksum" that follows the "line number checksum" of a 48 // function. This affects both .gcno and .gcda files. 49 bool UseCfgChecksum; 50 51 // Add the 'noredzone' attribute to added runtime library calls. 52 bool NoRedZone; 53 54 // Emit the name of the function in the .gcda files. This is redundant, as 55 // the function identifier can be used to find the name from the .gcno file. 56 bool FunctionNamesInData; 57 }; 58 ModulePass *createGCOVProfilerPass(const GCOVOptions &Options = 59 GCOVOptions::getDefault()); 60 61 // Insert AddressSanitizer (address sanity checking) instrumentation 62 FunctionPass *createAddressSanitizerFunctionPass( 63 bool CheckInitOrder = true, bool CheckUseAfterReturn = false, 64 bool CheckLifetime = false, StringRef BlacklistFile = StringRef(), 65 bool ZeroBaseShadow = false); 66 ModulePass *createAddressSanitizerModulePass( 67 bool CheckInitOrder = true, StringRef BlacklistFile = StringRef(), 68 bool ZeroBaseShadow = false); 69 70 // Insert MemorySanitizer instrumentation (detection of uninitialized reads) 71 FunctionPass *createMemorySanitizerPass(bool TrackOrigins = false, 72 StringRef BlacklistFile = StringRef()); 73 74 // Insert ThreadSanitizer (race detection) instrumentation 75 FunctionPass *createThreadSanitizerPass(StringRef BlacklistFile = StringRef()); 76 77 // BoundsChecking - This pass instruments the code to perform run-time bounds 78 // checking on loads, stores, and other memory intrinsics. 79 FunctionPass *createBoundsCheckingPass(); 80 81 } // End llvm namespace 82 83 #endif 84
