1//===----- ExampleModules.h - IR modules for LLJIT examples -----*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// Example modules for LLJIT examples
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_EXAMPLES_ORCV2EXAMPLES_EXAMPLEMODULES_H
14#define LLVM_EXAMPLES_ORCV2EXAMPLES_EXAMPLEMODULES_H
15
16#include "llvm/ADT/StringRef.h"
17#include "llvm/ExecutionEngine/Orc/ThreadSafeModule.h"
18#include "llvm/IR/LLVMContext.h"
19#include "llvm/IR/Module.h"
20#include "llvm/IRReader/IRReader.h"
21#include "llvm/Support/CommandLine.h"
22#include "llvm/Support/Error.h"
23#include "llvm/Support/SourceMgr.h"
24
25const llvm::StringRef Add1Example =
26 R"(
27 define i32 @add1(i32 %x) {
28 entry:
29 %r = add nsw i32 %x, 1
30 ret i32 %r
31 }
32)";
33
34inline llvm::Error createSMDiagnosticError(llvm::SMDiagnostic &Diag) {
35 using namespace llvm;
36 std::string Msg;
37 {
38 raw_string_ostream OS(Msg);
39 Diag.print(ProgName: "", S&: OS);
40 }
41 return make_error<StringError>(Args: std::move(Msg), Args: inconvertibleErrorCode());
42}
43
44inline llvm::Expected<llvm::orc::ThreadSafeModule>
45parseExampleModule(llvm::StringRef Source, llvm::StringRef Name) {
46 using namespace llvm;
47 auto Ctx = std::make_unique<LLVMContext>();
48 SMDiagnostic Err;
49 if (auto M = parseIR(Buffer: MemoryBufferRef(Source, Name), Err, Context&: *Ctx))
50 return orc::ThreadSafeModule(std::move(M), std::move(Ctx));
51
52 return createSMDiagnosticError(Diag&: Err);
53}
54
55inline llvm::Expected<llvm::orc::ThreadSafeModule>
56parseExampleModuleFromFile(llvm::StringRef FileName) {
57 using namespace llvm;
58 auto Ctx = std::make_unique<LLVMContext>();
59 SMDiagnostic Err;
60
61 if (auto M = parseIRFile(Filename: FileName, Err, Context&: *Ctx))
62 return orc::ThreadSafeModule(std::move(M), std::move(Ctx));
63
64 return createSMDiagnosticError(Diag&: Err);
65}
66
67#endif // LLVM_EXAMPLES_ORCV2EXAMPLES_EXAMPLEMODULES_H
68

source code of llvm/examples/OrcV2Examples/ExampleModules.h