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https://github.com/c64scene-ar/llvm-6502.git
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bc65a8d518
are part of the core IR library in order to support dumping and other basic functionality. Rename the 'Assembly' include directory to 'AsmParser' to match the library name and the only functionality left their -- printing has been in the core IR library for quite some time. Update all of the #includes to match. All of this started because I wanted to have the layering in good shape before I started adding support for printing LLVM IR using the new pass infrastructure, and commandline support for the new pass infrastructure. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198688 91177308-0d34-0410-b5e6-96231b3b80d8
122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
//===---- IRReader.cpp - Reader for LLVM IR files -------------------------===//
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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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#include "llvm/IRReader/IRReader.h"
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#include "llvm-c/Core.h"
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#include "llvm-c/IRReader.h"
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#include "llvm/ADT/OwningPtr.h"
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#include "llvm/AsmParser/Parser.h"
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#include "llvm/Bitcode/ReaderWriter.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "llvm/Support/SourceMgr.h"
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#include "llvm/Support/Timer.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/Support/system_error.h"
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using namespace llvm;
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namespace llvm {
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extern bool TimePassesIsEnabled;
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}
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static const char *const TimeIRParsingGroupName = "LLVM IR Parsing";
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static const char *const TimeIRParsingName = "Parse IR";
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Module *llvm::getLazyIRModule(MemoryBuffer *Buffer, SMDiagnostic &Err,
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LLVMContext &Context) {
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if (isBitcode((const unsigned char *)Buffer->getBufferStart(),
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(const unsigned char *)Buffer->getBufferEnd())) {
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std::string ErrMsg;
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Module *M = getLazyBitcodeModule(Buffer, Context, &ErrMsg);
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if (M == 0) {
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Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error,
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ErrMsg);
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// ParseBitcodeFile does not take ownership of the Buffer in the
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// case of an error.
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delete Buffer;
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}
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return M;
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}
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return ParseAssembly(Buffer, 0, Err, Context);
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}
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Module *llvm::getLazyIRFileModule(const std::string &Filename, SMDiagnostic &Err,
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LLVMContext &Context) {
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OwningPtr<MemoryBuffer> File;
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if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, File)) {
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Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
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"Could not open input file: " + ec.message());
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return 0;
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}
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return getLazyIRModule(File.take(), Err, Context);
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}
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Module *llvm::ParseIR(MemoryBuffer *Buffer, SMDiagnostic &Err,
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LLVMContext &Context) {
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NamedRegionTimer T(TimeIRParsingName, TimeIRParsingGroupName,
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TimePassesIsEnabled);
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if (isBitcode((const unsigned char *)Buffer->getBufferStart(),
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(const unsigned char *)Buffer->getBufferEnd())) {
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std::string ErrMsg;
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Module *M = ParseBitcodeFile(Buffer, Context, &ErrMsg);
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if (M == 0)
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Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error,
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ErrMsg);
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// ParseBitcodeFile does not take ownership of the Buffer.
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delete Buffer;
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return M;
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}
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return ParseAssembly(Buffer, 0, Err, Context);
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}
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Module *llvm::ParseIRFile(const std::string &Filename, SMDiagnostic &Err,
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LLVMContext &Context) {
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OwningPtr<MemoryBuffer> File;
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if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename, File)) {
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Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
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"Could not open input file: " + ec.message());
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return 0;
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}
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return ParseIR(File.take(), Err, Context);
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}
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//===----------------------------------------------------------------------===//
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// C API.
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//===----------------------------------------------------------------------===//
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LLVMBool LLVMParseIRInContext(LLVMContextRef ContextRef,
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LLVMMemoryBufferRef MemBuf, LLVMModuleRef *OutM,
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char **OutMessage) {
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SMDiagnostic Diag;
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*OutM = wrap(ParseIR(unwrap(MemBuf), Diag, *unwrap(ContextRef)));
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if(!*OutM) {
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if (OutMessage) {
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std::string buf;
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raw_string_ostream os(buf);
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Diag.print(NULL, os, false);
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os.flush();
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*OutMessage = strdup(buf.c_str());
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}
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return 1;
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}
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return 0;
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}
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