LLVM  6.0.0svn
IRReader.h
Go to the documentation of this file.
1 //===---- llvm/IRReader/IRReader.h - Reader for LLVM IR files ---*- 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 functions for reading LLVM IR. They support both
11 // Bitcode and Assembly, automatically detecting the input format.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_IRREADER_IRREADER_H
16 #define LLVM_IRREADER_IRREADER_H
17 
18 #include <memory>
19 
20 namespace llvm {
21 
22 class StringRef;
23 class MemoryBufferRef;
24 class Module;
25 class SMDiagnostic;
26 class LLVMContext;
27 
28 /// If the given file holds a bitcode image, return a Module
29 /// for it which does lazy deserialization of function bodies. Otherwise,
30 /// attempt to parse it as LLVM Assembly and return a fully populated
31 /// Module. The ShouldLazyLoadMetadata flag is passed down to the bitcode
32 /// reader to optionally enable lazy metadata loading.
33 std::unique_ptr<Module>
34 getLazyIRFileModule(StringRef Filename, SMDiagnostic &Err, LLVMContext &Context,
35  bool ShouldLazyLoadMetadata = false);
36 
37 /// If the given MemoryBuffer holds a bitcode image, return a Module
38 /// for it. Otherwise, attempt to parse it as LLVM Assembly and return
39 /// a Module for it.
40 /// \param UpgradeDebugInfo Run UpgradeDebugInfo, which runs the Verifier.
41 /// This option should only be set to false by llvm-as
42 /// for use inside the LLVM testuite!
43 std::unique_ptr<Module> parseIR(MemoryBufferRef Buffer, SMDiagnostic &Err,
44  LLVMContext &Context,
45  bool UpgradeDebugInfo = true);
46 
47 /// If the given file holds a bitcode image, return a Module for it.
48 /// Otherwise, attempt to parse it as LLVM Assembly and return a Module
49 /// for it.
50 /// \param UpgradeDebugInfo Run UpgradeDebugInfo, which runs the Verifier.
51 /// This option should only be set to false by llvm-as
52 /// for use inside the LLVM testuite!
53 std::unique_ptr<Module> parseIRFile(StringRef Filename, SMDiagnostic &Err,
54  LLVMContext &Context,
55  bool UpgradeDebugInfo = true);
56 }
57 
58 #endif
std::unique_ptr< Module > parseIR(MemoryBufferRef Buffer, SMDiagnostic &Err, LLVMContext &Context, bool UpgradeDebugInfo=true)
If the given MemoryBuffer holds a bitcode image, return a Module for it.
Definition: IRReader.cpp:70
LLVMContext & Context
Compute iterated dominance frontiers using a linear time algorithm.
Definition: AllocatorList.h:24
bool UpgradeDebugInfo(Module &M)
Check the debug info version number, if it is out-dated, drop the debug info.
std::unique_ptr< Module > getLazyIRFileModule(StringRef Filename, SMDiagnostic &Err, LLVMContext &Context, bool ShouldLazyLoadMetadata=false)
If the given file holds a bitcode image, return a Module for it which does lazy deserialization of fu...
Definition: IRReader.cpp:54
std::unique_ptr< Module > parseIRFile(StringRef Filename, SMDiagnostic &Err, LLVMContext &Context, bool UpgradeDebugInfo=true)
If the given file holds a bitcode image, return a Module for it.
Definition: IRReader.cpp:93