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Diffstat (limited to 'contrib/llvm/lib/Object/FunctionIndexObjectFile.cpp')
-rw-r--r-- | contrib/llvm/lib/Object/FunctionIndexObjectFile.cpp | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/contrib/llvm/lib/Object/FunctionIndexObjectFile.cpp b/contrib/llvm/lib/Object/FunctionIndexObjectFile.cpp deleted file mode 100644 index fe111de..0000000 --- a/contrib/llvm/lib/Object/FunctionIndexObjectFile.cpp +++ /dev/null @@ -1,143 +0,0 @@ -//===- FunctionIndexObjectFile.cpp - Function index file implementation ---===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// Part of the FunctionIndexObjectFile class implementation. -// -//===----------------------------------------------------------------------===// - -#include "llvm/Object/FunctionIndexObjectFile.h" -#include "llvm/ADT/STLExtras.h" -#include "llvm/Bitcode/ReaderWriter.h" -#include "llvm/IR/FunctionInfo.h" -#include "llvm/MC/MCStreamer.h" -#include "llvm/Object/ObjectFile.h" -#include "llvm/Support/MemoryBuffer.h" -#include "llvm/Support/raw_ostream.h" -using namespace llvm; -using namespace object; - -FunctionIndexObjectFile::FunctionIndexObjectFile( - MemoryBufferRef Object, std::unique_ptr<FunctionInfoIndex> I) - : SymbolicFile(Binary::ID_FunctionIndex, Object), Index(std::move(I)) {} - -FunctionIndexObjectFile::~FunctionIndexObjectFile() {} - -std::unique_ptr<FunctionInfoIndex> FunctionIndexObjectFile::takeIndex() { - return std::move(Index); -} - -ErrorOr<MemoryBufferRef> -FunctionIndexObjectFile::findBitcodeInObject(const ObjectFile &Obj) { - for (const SectionRef &Sec : Obj.sections()) { - StringRef SecName; - if (std::error_code EC = Sec.getName(SecName)) - return EC; - if (SecName == ".llvmbc") { - StringRef SecContents; - if (std::error_code EC = Sec.getContents(SecContents)) - return EC; - return MemoryBufferRef(SecContents, Obj.getFileName()); - } - } - - return object_error::bitcode_section_not_found; -} - -ErrorOr<MemoryBufferRef> -FunctionIndexObjectFile::findBitcodeInMemBuffer(MemoryBufferRef Object) { - sys::fs::file_magic Type = sys::fs::identify_magic(Object.getBuffer()); - switch (Type) { - case sys::fs::file_magic::bitcode: - return Object; - case sys::fs::file_magic::elf_relocatable: - case sys::fs::file_magic::macho_object: - case sys::fs::file_magic::coff_object: { - ErrorOr<std::unique_ptr<ObjectFile>> ObjFile = - ObjectFile::createObjectFile(Object, Type); - if (!ObjFile) - return ObjFile.getError(); - return findBitcodeInObject(*ObjFile->get()); - } - default: - return object_error::invalid_file_type; - } -} - -// Looks for function index in the given memory buffer. -// returns true if found, else false. -bool FunctionIndexObjectFile::hasFunctionSummaryInMemBuffer( - MemoryBufferRef Object, DiagnosticHandlerFunction DiagnosticHandler) { - ErrorOr<MemoryBufferRef> BCOrErr = findBitcodeInMemBuffer(Object); - if (!BCOrErr) - return false; - - return hasFunctionSummary(BCOrErr.get(), DiagnosticHandler); -} - -// Parse function index in the given memory buffer. -// Return new FunctionIndexObjectFile instance containing parsed -// function summary/index. -ErrorOr<std::unique_ptr<FunctionIndexObjectFile>> -FunctionIndexObjectFile::create(MemoryBufferRef Object, - DiagnosticHandlerFunction DiagnosticHandler, - bool IsLazy) { - std::unique_ptr<FunctionInfoIndex> Index; - - ErrorOr<MemoryBufferRef> BCOrErr = findBitcodeInMemBuffer(Object); - if (!BCOrErr) - return BCOrErr.getError(); - - ErrorOr<std::unique_ptr<FunctionInfoIndex>> IOrErr = getFunctionInfoIndex( - BCOrErr.get(), DiagnosticHandler, IsLazy); - - if (std::error_code EC = IOrErr.getError()) - return EC; - - Index = std::move(IOrErr.get()); - - return llvm::make_unique<FunctionIndexObjectFile>(Object, std::move(Index)); -} - -// Parse the function summary information for function with the -// given name out of the given buffer. Parsed information is -// stored on the index object saved in this object. -std::error_code FunctionIndexObjectFile::findFunctionSummaryInMemBuffer( - MemoryBufferRef Object, DiagnosticHandlerFunction DiagnosticHandler, - StringRef FunctionName) { - sys::fs::file_magic Type = sys::fs::identify_magic(Object.getBuffer()); - switch (Type) { - case sys::fs::file_magic::bitcode: { - return readFunctionSummary(Object, DiagnosticHandler, FunctionName, - std::move(Index)); - } - default: - return object_error::invalid_file_type; - } -} - -// Parse the function index out of an IR file and return the function -// index object if found, or nullptr if not. -ErrorOr<std::unique_ptr<FunctionInfoIndex>> -llvm::getFunctionIndexForFile(StringRef Path, - DiagnosticHandlerFunction DiagnosticHandler) { - ErrorOr<std::unique_ptr<MemoryBuffer>> FileOrErr = - MemoryBuffer::getFileOrSTDIN(Path); - std::error_code EC = FileOrErr.getError(); - if (EC) - return EC; - MemoryBufferRef BufferRef = (FileOrErr.get())->getMemBufferRef(); - ErrorOr<std::unique_ptr<object::FunctionIndexObjectFile>> ObjOrErr = - object::FunctionIndexObjectFile::create(BufferRef, DiagnosticHandler); - EC = ObjOrErr.getError(); - if (EC) - return EC; - - object::FunctionIndexObjectFile &Obj = **ObjOrErr; - return Obj.takeIndex(); -} |