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#ifdef HAVE_LLVM
#include "CJitFuncClang.hpp"
#include "CArray.hpp"
#include <iostream>
#include <fstream>
#include <memory>
#include "clang/CodeGen/CodeGenAction.h"
#include "clang/Driver/Compilation.h"
#include "clang/Driver/Driver.h"
#include "clang/Driver/Tool.h"
#include "clang/Frontend/CompilerInvocation.h"
#include "clang/Frontend/CompilerInstance.h"
//#include "clang/Frontend/DiagnosticOptions.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Frontend/TextDiagnosticPrinter.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/Config/llvm-config.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ExecutionEngine/ExecutionEngine.h"
#include "llvm/ExecutionEngine/GenericValue.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/TargetSelect.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Instructions.h"
//#include "llvm/ExecutionEngine/JIT.h"
//#include "llvm/ExecutionEngine/Interpreter.h"
#include <QTemporaryFile>
#include <QDir>
using namespace clang;
using namespace clang::driver;
CJitFuncClang::CJitFuncClang(Interpreter* eval)
{
m_eval = eval;
ctxt = new llvm::LLVMContext;
}
CJitFuncClang::~CJitFuncClang()
{
delete EE;
delete comp;
}
QString GetRootPath();
bool CJitFuncClang::compile(const std::string &filename,
const std::string &funcname)
{
llvm::InitializeNativeTarget();
llvm::IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
TextDiagnosticPrinter *DiagClient =
new TextDiagnosticPrinter(llvm::errs(), &*DiagOpts);
llvm::IntrusiveRefCntPtr<DiagnosticIDs> DiagID(new DiagnosticIDs());
DiagnosticsEngine Diags(DiagID, &*DiagOpts, DiagClient);
Driver TheDriver("", llvm::sys::getDefaultTargetTriple(),
Diags);
TheDriver.setTitle("FreeMat JIT");
llvm::SmallVector<const char *, 16> Args;
Args.push_back("FreeMat");
Args.push_back(filename.c_str());
Args.push_back("-fsyntax-only");
Args.push_back("-O3");
Args.push_back("-v");
Args.push_back("-fno-exceptions");
std::unique_ptr<Compilation> C(TheDriver.BuildCompilation(Args));
if (!C) return false;
const driver::JobList &Jobs = C->getJobs();
if (Jobs.size() != 1 || !isa<driver::Command>(*Jobs.begin())) {
llvm::SmallString<256> Msg;
llvm::raw_svector_ostream OS(Msg);
Jobs.Print(OS, "; ", true);
Diags.Report(diag::err_fe_expected_compiler_job) << OS.str();
return false;
}
const driver::Command Cmd = cast<driver::Command>(*Jobs.begin());
if (llvm::StringRef(Cmd.getCreator().getName()) != "clang") {
Diags.Report(diag::err_fe_expected_clang_command);
return false;
}
// Initialize a compiler invocation object from the clang (-cc1) arguments.
const driver::ArgStringList &CCArgs = Cmd.getArguments();
std::unique_ptr<CompilerInvocation> CI(new CompilerInvocation);
CompilerInvocation::CreateFromArgs(*CI,
const_cast<const char **>(CCArgs.data()),
const_cast<const char **>(CCArgs.data()) +
CCArgs.size(),
Diags);
QString path = GetRootPath() + "/toolbox/jit";
//CI->getHeaderSearchOpts().AddPath(path.toStdString().c_str(),frontend::Quoted,true,false,false);
// FIXME: This is copied from cc1_main.cpp; simplify and eliminate.
// Create a compiler instance to handle the actual work.
comp = new clang::CompilerInstance;
comp->setInvocation(CI.get());
// Create the compilers actual diagnostics engine.
DiagnosticConsumer ClientDia;
comp->createDiagnostics(&ClientDia);
if (!comp->hasDiagnostics()) return false;
// Create and execute the frontend to generate an LLVM bitcode module.
// Pass the LLVM context to the code gen action. Otherwise, the action
// creates a new context and then promptly deletes it when it goes out
// of scope. :P
std::unique_ptr<CodeGenAction> Act(new EmitLLVMOnlyAction(ctxt));
if (!comp->ExecuteAction(*Act)) return false;
std::cout << "Compilation complete...";
std::unique_ptr<llvm::Module> Module (Act->takeModule().get());
if (Module)
{
llvm::outs() << *Module;
std::string Error;
EE = llvm::EngineBuilder(move(Module)).create();
if (!EE) return false;
func = Module->getFunction(funcname);
return true;
}
return false;
}
bool CJitFuncClang::compile(const Tree & t, JITControlFlag flag)
{
m_flag = flag;
CJitFunc mcomp;
mcomp.set_interpreter(m_eval);
mcomp.compile_tree(t,std::string("testfunc"));
if (m_flag == JITOn)
{
QTemporaryFile file(QDir::tempPath()+"/jitXXXXXX.cpp");
file.open();
std::string codename = file.fileName().toStdString();
mcomp.writeCode(codename);
return compile(codename,"testfunc");
}
if (m_flag == JITTrace)
{
QString name = QDir::tempPath()+"/jittrace.cpp";
std::string codename = name.toStdString();
mcomp.writeCode(codename);
return compile(codename,"testfunc");
}
}
int CJitFuncClang::run()
{
std::vector<llvm::GenericValue> args(1);
args[0].PointerVal = m_eval;
int retval;
llvm::GenericValue ret = EE->runFunction(func,args);
retval = ret.IntVal.getSExtValue();
if (retval == CJIT_Runfail)
throw Exception(m_eval->getLastErrorString());
return retval;
}
void force_linkage()
{
carray_empty();
carray_scalar(0,0);
carray_create(0,0,0,0,0);
carray_download_scalar(0,0,0,0);
carray_download_array(0,0,0,0);
carray_download_function(0,0,0);
carray_upload_scalar(0,0,0,0);
carray_upload_array(0,0,0);
carray_copy(0);
carray_free(0);
carray_rows(0);
carray_cols(0);
carray_set_ss(0,0,0,0,0);
carray_set_s(0,0,0,0);
carray_set_aa(0,0,0,0,0);
carray_set_a(0,0,0,0);
carray_get_ss(0,0,0,0,0);
carray_get_s(0,0,0,0);
carray_get_aa(0,0,0,0,0);
carray_get_a(0,0,0,0);
carray_duplicate(0,0,0);
carray_add(0,0,0,0);
carray_hcat(0,0,0,0);
carray_vcat(0,0,0,0);
carray_sub(0,0,0,0);
carray_times(0,0,0,0);
carray_pow(0,0,0,0);
carray_dpow(0,0,0,0);
carray_dtimes(0,0,0,0);
carray_rdiv(0,0,0,0);
carray_drdiv(0,0,0,0);
carray_ldiv(0,0,0,0);
carray_dldiv(0,0,0,0);
carray_colon(0,0,0,0);
carray_dcolon(0,0,0,0,0);
carray_or(0,0,0,0);
carray_and(0,0,0,0);
carray_lt(0,0,0,0);
carray_le(0,0,0,0);
carray_gt(0,0,0,0);
carray_ge(0,0,0,0);
carray_eq(0,0,0,0);
carray_neq(0,0,0,0);
carray_pos(0,0,0);
carray_neg(0,0,0);
carray_not(0,0,0);
carray_transpose(0,0,0);
carray_dottranspose(0,0,0);
carray_any(0,0,0);
carray_all(0,0,0);
carray_invoke_1(0,0,0,0);
carray_invoke_2(0,0,0,0,0);
}
#endif
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