diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | lib/IRReader/CMakeLists.txt | 3 | ||||
| -rw-r--r-- | lib/IRReader/IRReader.cpp | 78 | ||||
| -rw-r--r-- | lib/IRReader/LLVMBuild.txt | 22 | ||||
| -rw-r--r-- | lib/IRReader/Makefile | 14 | ||||
| -rw-r--r-- | lib/LLVMBuild.txt | 2 | ||||
| -rw-r--r-- | lib/Makefile | 3 |
7 files changed, 121 insertions, 2 deletions
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt index d1ea027338..76ebe9aca9 100644 --- a/lib/CMakeLists.txt +++ b/lib/CMakeLists.txt @@ -1,6 +1,7 @@ # `Support' and `TableGen' libraries are added on the top-level CMakeLists.txt add_subdirectory(IR) +add_subdirectory(IRReader) add_subdirectory(CodeGen) add_subdirectory(Bitcode) add_subdirectory(Transforms) diff --git a/lib/IRReader/CMakeLists.txt b/lib/IRReader/CMakeLists.txt new file mode 100644 index 0000000000..cf10d8b7db --- /dev/null +++ b/lib/IRReader/CMakeLists.txt @@ -0,0 +1,3 @@ +add_llvm_library(LLVMIRReader + IRReader.cpp + ) diff --git a/lib/IRReader/IRReader.cpp b/lib/IRReader/IRReader.cpp new file mode 100644 index 0000000000..dff4c1fa43 --- /dev/null +++ b/lib/IRReader/IRReader.cpp @@ -0,0 +1,78 @@ +//===---- IRReader.cpp - Reader for LLVM IR files -------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/IRReader/IRReader.h" +#include "llvm/ADT/OwningPtr.h" +#include "llvm/Assembly/Parser.h" +#include "llvm/Bitcode/ReaderWriter.h" +#include "llvm/Support/MemoryBuffer.h" +#include "llvm/Support/SourceMgr.h" +#include "llvm/Support/system_error.h" + +using namespace llvm; + +Module *llvm::getLazyIRModule(MemoryBuffer *Buffer, SMDiagnostic &Err, + LLVMContext &Context) { + if (isBitcode((const unsigned char *)Buffer->getBufferStart(), + (const unsigned char *)Buffer->getBufferEnd())) { + std::string ErrMsg; + Module *M = getLazyBitcodeModule(Buffer, Context, &ErrMsg); + if (M == 0) { + Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error, + ErrMsg); + // ParseBitcodeFile does not take ownership of the Buffer in the + // case of an error. + delete Buffer; + } + return M; + } + + return ParseAssembly(Buffer, 0, Err, Context); +} + +Module *llvm::getLazyIRFileModule(const std::string &Filename, SMDiagnostic &Err, + LLVMContext &Context) { + OwningPtr<MemoryBuffer> File; + if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) { + Err = SMDiagnostic(Filename, SourceMgr::DK_Error, + "Could not open input file: " + ec.message()); + return 0; + } + + return getLazyIRModule(File.take(), Err, Context); +} + +Module *llvm::ParseIR(MemoryBuffer *Buffer, SMDiagnostic &Err, + LLVMContext &Context) { + if (isBitcode((const unsigned char *)Buffer->getBufferStart(), + (const unsigned char *)Buffer->getBufferEnd())) { + std::string ErrMsg; + Module *M = ParseBitcodeFile(Buffer, Context, &ErrMsg); + if (M == 0) + Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error, + ErrMsg); + // ParseBitcodeFile does not take ownership of the Buffer. + delete Buffer; + return M; + } + + return ParseAssembly(Buffer, 0, Err, Context); +} + +Module *llvm::ParseIRFile(const std::string &Filename, SMDiagnostic &Err, + LLVMContext &Context) { + OwningPtr<MemoryBuffer> File; + if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) { + Err = SMDiagnostic(Filename, SourceMgr::DK_Error, + "Could not open input file: " + ec.message()); + return 0; + } + + return ParseIR(File.take(), Err, Context); +} diff --git a/lib/IRReader/LLVMBuild.txt b/lib/IRReader/LLVMBuild.txt new file mode 100644 index 0000000000..04a59bb871 --- /dev/null +++ b/lib/IRReader/LLVMBuild.txt @@ -0,0 +1,22 @@ +;===- ./lib/AsmParser/LLVMBuild.txt ----------------------------*- Conf -*--===; +; +; The LLVM Compiler Infrastructure +; +; This file is distributed under the University of Illinois Open Source +; License. See LICENSE.TXT for details. +; +;===------------------------------------------------------------------------===; +; +; This is an LLVMBuild description file for the components in this subdirectory. +; +; For more information on the LLVMBuild system, please see: +; +; http://llvm.org/docs/LLVMBuild.html +; +;===------------------------------------------------------------------------===; + +[component_0] +type = Library +name = IRReader +parent = Libraries +required_libraries = AsmParser BitReader Core Support diff --git a/lib/IRReader/Makefile b/lib/IRReader/Makefile new file mode 100644 index 0000000000..cf6bc11354 --- /dev/null +++ b/lib/IRReader/Makefile @@ -0,0 +1,14 @@ +##===- lib/IRReader/Makefile -------------------------------*- Makefile -*-===## +# +# The LLVM Compiler Infrastructure +# +# This file is distributed under the University of Illinois Open Source +# License. See LICENSE.TXT for details. +# +##===----------------------------------------------------------------------===## + +LEVEL = ../.. +LIBRARYNAME := LLVMIRReader +BUILD_ARCHIVE = 1 + +include $(LEVEL)/Makefile.common diff --git a/lib/LLVMBuild.txt b/lib/LLVMBuild.txt index a31793c5fd..0565443806 100644 --- a/lib/LLVMBuild.txt +++ b/lib/LLVMBuild.txt @@ -16,7 +16,7 @@ ;===------------------------------------------------------------------------===; [common] -subdirectories = Analysis Archive AsmParser Bitcode CodeGen DebugInfo ExecutionEngine Linker IR MC Object Option Support TableGen Target Transforms +subdirectories = Analysis Archive AsmParser Bitcode CodeGen DebugInfo ExecutionEngine Linker IR IRReader MC Object Option Support TableGen Target Transforms [component_0] type = Group diff --git a/lib/Makefile b/lib/Makefile index 043eda6b99..57f016bc89 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -11,7 +11,8 @@ LEVEL = .. include $(LEVEL)/Makefile.config PARALLEL_DIRS := IR AsmParser Bitcode Archive Analysis Transforms CodeGen \ - Target ExecutionEngine Linker MC Object Option DebugInfo + Target ExecutionEngine Linker MC Object Option DebugInfo \ + IRReader include $(LEVEL)/Makefile.common |