LLVM  14.0.0git
TargetExecutionUtils.cpp
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1 //===--- TargetExecutionUtils.cpp - Execution utils for target processes --===//
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 
10 
11 #include <vector>
12 
13 namespace llvm {
14 namespace orc {
15 
16 int runAsMain(int (*Main)(int, char *[]), ArrayRef<std::string> Args,
17  Optional<StringRef> ProgramName) {
18  std::vector<std::unique_ptr<char[]>> ArgVStorage;
19  std::vector<char *> ArgV;
20 
21  ArgVStorage.reserve(Args.size() + (ProgramName ? 1 : 0));
22  ArgV.reserve(Args.size() + 1 + (ProgramName ? 1 : 0));
23 
24  if (ProgramName) {
25  ArgVStorage.push_back(std::make_unique<char[]>(ProgramName->size() + 1));
26  llvm::copy(*ProgramName, &ArgVStorage.back()[0]);
27  ArgVStorage.back()[ProgramName->size()] = '\0';
28  ArgV.push_back(ArgVStorage.back().get());
29  }
30 
31  for (const auto &Arg : Args) {
32  ArgVStorage.push_back(std::make_unique<char[]>(Arg.size() + 1));
33  llvm::copy(Arg, &ArgVStorage.back()[0]);
34  ArgVStorage.back()[Arg.size()] = '\0';
35  ArgV.push_back(ArgVStorage.back().get());
36  }
37  ArgV.push_back(nullptr);
38 
39  return Main(Args.size() + !!ProgramName, ArgV.data());
40 }
41 
42 } // End namespace orc.
43 } // End namespace llvm.
llvm
---------------------— PointerInfo ------------------------------------—
Definition: AllocatorList.h:23
llvm::copy
OutputIt copy(R &&Range, OutputIt Out)
Definition: STLExtras.h:1598
llvm::Optional
Definition: APInt.h:33
Arg
amdgpu Simplify well known AMD library false FunctionCallee Value * Arg
Definition: AMDGPULibCalls.cpp:206
llvm::orc::runAsMain
int runAsMain(int(*Main)(int, char *[]), ArrayRef< std::string > Args, Optional< StringRef > ProgramName=None)
Run a main function, returning the result.
Definition: TargetExecutionUtils.cpp:16
llvm::ArrayRef< std::string >
TargetExecutionUtils.h
llvm::AMDGPU::HSAMD::Kernel::Key::Args
constexpr char Args[]
Key for Kernel::Metadata::mArgs.
Definition: AMDGPUMetadata.h:389