LLVM 19.0.0git
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
13namespace llvm {
14namespace orc {
15
16int runAsMain(int (*Main)(int, char *[]), ArrayRef<std::string> Args,
17 std::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
42int runAsVoidFunction(int (*Func)(void)) { return Func(); }
43
44int runAsIntFunction(int (*Func)(int), int Arg) { return Func(Arg); }
45
46} // End namespace orc.
47} // End namespace llvm.
ArrayRef - Represent a constant reference to an array (0 or more elements consecutively in memory),...
Definition: ArrayRef.h:41
int runAsVoidFunction(int(*Func)(void))
int runAsIntFunction(int(*Func)(int), int Arg)
int runAsMain(int(*Main)(int, char *[]), ArrayRef< std::string > Args, std::optional< StringRef > ProgramName=std::nullopt)
Run a main function, returning the result.
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
OutputIt copy(R &&Range, OutputIt Out)
Definition: STLExtras.h:1833