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//===- unittests/Interpreter/OutOfProcessInterpreterTest.cpp --- Interpreter
// tests when Out-of-Process ----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Unit tests for Clang's Interpreter library.
//
//===----------------------------------------------------------------------===//
#include "InterpreterTestFixture.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclGroup.h"
#include "clang/AST/Mangle.h"
#include "clang/Basic/Version.h"
#include "clang/Config/config.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "clang/Interpreter/Interpreter.h"
#include "clang/Interpreter/RemoteJITUtils.h"
#include "clang/Interpreter/Value.h"
#include "clang/Sema/Lookup.h"
#include "clang/Sema/Sema.h"
#include "llvm/Support/Error.h"
#include "llvm/TargetParser/Host.h"
#include "llvm/TargetParser/Host.h"
#include "gmock/gmock.h"
#include "gtest/gtest.h"
using namespace clang;
llvm::ExitOnError ExitOnError;
#ifdef _WIN32
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
#endif
namespace {
using Args = std::vector<const char *>;
static void removePathComponent(unsigned N, llvm::SmallString<256> &Path) {
for (unsigned i = 0; i < N; ++i)
llvm::sys::path::remove_filename(Path);
}
static std::string getExecutorPath() {
llvm::SmallString<256> ExecutorPath(llvm::sys::fs::getMainExecutable(
nullptr, reinterpret_cast<void *>(&getExecutorPath)));
removePathComponent(5, ExecutorPath);
llvm::sys::path::append(ExecutorPath, "bin", "llvm-jitlink-executor");
return ExecutorPath.str().str();
}
static std::string getOrcRuntimePath() {
llvm::SmallString<256> RuntimePath(llvm::sys::fs::getMainExecutable(
nullptr, reinterpret_cast<void *>(&getOrcRuntimePath)));
removePathComponent(5, RuntimePath);
llvm::sys::path::append(RuntimePath, CLANG_INSTALL_LIBDIR_BASENAME, "clang",
CLANG_VERSION_MAJOR_STRING, "lib");
llvm::Triple SystemTriple(llvm::sys::getProcessTriple());
if (SystemTriple.isOSBinFormatMachO()) {
llvm::sys::path::append(RuntimePath, "darwin", "liborc_rt_osx.a");
} else if (SystemTriple.isOSBinFormatELF()) {
llvm::sys::path::append(RuntimePath, "x86_64-unknown-linux-gnu",
"liborc_rt.a");
}
return RuntimePath.str().str();
}
static std::unique_ptr<Interpreter>
createInterpreterWithRemoteExecution(const Args &ExtraArgs = {},
DiagnosticConsumer *Client = nullptr) {
Args ClangArgs = {"-Xclang", "-emit-llvm-only"};
llvm::append_range(ClangArgs, ExtraArgs);
auto CB = clang::IncrementalCompilerBuilder();
CB.SetCompilerArgs(ClangArgs);
auto CI = cantFail(CB.CreateCpp());
if (Client)
CI->getDiagnostics().setClient(Client, /*ShouldOwnClient=*/false);
std::unique_ptr<llvm::orc::LLJITBuilder> JB;
llvm::Triple SystemTriple(llvm::sys::getProcessTriple());
if ((SystemTriple.isOSBinFormatELF() || SystemTriple.isOSBinFormatMachO())) {
std::string OOPExecutor = getExecutorPath();
std::string OrcRuntimePath = getOrcRuntimePath();
bool UseSharedMemory = false;
std::string SlabAllocateSizeString = "";
std::unique_ptr<llvm::orc::ExecutorProcessControl> EPC;
EPC = ExitOnError(launchExecutor(OOPExecutor, UseSharedMemory,
SlabAllocateSizeString,
[=] { // Lambda defined inline
auto redirect = [](int from, int to) {
if (from != to) {
dup2(from, to);
close(from);
}
};
redirect(0, STDIN_FILENO);
redirect(1, STDOUT_FILENO);
redirect(2, STDERR_FILENO);
setvbuf(stdout, nullptr, _IONBF, 0);
setvbuf(stderr, nullptr, _IONBF, 0);
}));
if (EPC) {
CB.SetTargetTriple(EPC->getTargetTriple().getTriple());
JB = ExitOnError(clang::Interpreter::createLLJITBuilder(std::move(EPC),
OrcRuntimePath));
}
}
return cantFail(clang::Interpreter::create(std::move(CI), std::move(JB)));
}
static size_t DeclsSize(TranslationUnitDecl *PTUDecl) {
return std::distance(PTUDecl->decls().begin(), PTUDecl->decls().end());
}
TEST_F(InterpreterTestBase, SanityWithRemoteExecution) {
if (!HostSupportsJIT())
GTEST_SKIP();
std::unique_ptr<Interpreter> Interp = createInterpreterWithRemoteExecution();
using PTU = PartialTranslationUnit;
PTU &R1(cantFail(Interp->Parse("void g(); void g() {}")));
EXPECT_EQ(2U, DeclsSize(R1.TUPart));
PTU &R2(cantFail(Interp->Parse("int i;")));
EXPECT_EQ(1U, DeclsSize(R2.TUPart));
}
} // end anonymous namespace
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