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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53972 91177308-0d34-0410-b5e6-96231b3b80d8
89 lines
3.3 KiB
C++
89 lines
3.3 KiB
C++
//===- LTOBugPoint.h - Top-Level LTO BugPoint class -------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This class contains all of the shared state and information that is used by
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// the LTO BugPoint tool to track down bit code files that cause errors.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/BitVector.h"
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#include "llvm/Module.h"
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#include "llvm/System/Path.h"
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#include <string>
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#include <fstream>
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class LTOBugPoint {
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public:
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LTOBugPoint(std::istream &args, std::istream &ins);
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~LTOBugPoint();
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/// findTroubleMakers - Find minimum set of input files that causes error
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/// identified by the script.
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bool findTroubleMakers(llvm::SmallVector<std::string, 4> &TroubleMakers,
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std::string &Script);
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/// getNativeObjectFile - Generate native object file based from llvm
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/// bitcode file. Return false in case of an error. Generated native
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/// object file is inserted in to the NativeInputFiles list.
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bool getNativeObjectFile(std::string &FileName);
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std::string &getErrMsg() { return ErrMsg; }
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private:
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/// LinkerInputFiles - This is a list of linker input files. Once populated
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/// this list is not modified.
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llvm::SmallVector<std::string, 16> LinkerInputFiles;
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/// LinkerOptions - List of linker command line options.
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llvm::SmallVector<std::string, 16> LinkerOptions;
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/// NativeInputFiles - This is a list of input files that are not llvm
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/// bitcode files. The order in this list is important. The a file
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/// in LinkerInputFiles at index 4 is a llvm bitcode file then the file
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/// at index 4 in NativeInputFiles is corresponding native object file.
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llvm::SmallVector<std::string, 16> NativeInputFiles;
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/// BCFiles - This bit vector tracks input bitcode files.
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llvm::BitVector BCFiles;
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/// ConfirmedClean - This bit vector tracks input files that are confirmed
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/// to be clean.
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llvm::BitVector ConfirmedClean;
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/// ConfirmedGuilty - This bit vector tracks input files that are confirmed
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/// to contribute to the bug being investigated.
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llvm::BitVector ConfirmedGuilty;
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std::string getFeatureString(const char *TargetTriple);
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std::string ErrMsg;
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llvm::sys::Path TempDir;
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/// findLinkingFailure - If true, investigate link failure bugs when
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/// one or more linker input files are llvm bitcode files. If false,
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/// investigate optimization or code generation bugs in LTO mode.
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bool findLinkingFailure;
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private:
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/// assembleBitcode - Generate assembly code from the module. Return false
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/// in case of an error.
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bool assembleBitcode(llvm::Module *M, const char *AsmFileName);
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/// relinkProgram - Relink program. Return false if linking fails.
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bool relinkProgram(llvm::SmallVector<std::string, 16> &InputFiles);
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/// reproduceProgramError - Validate program using user provided script.
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bool reproduceProgramError(std::string &Script);
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/// identifyTroubleMakers - Identify set of inputs from the given
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/// bitvector that are causing the bug under investigation.
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void identifyTroubleMakers(llvm::BitVector &In);
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};
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