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// $Id$
//***************************************************************************
// File:
// llc.cpp
//
// Purpose:
// Driver for llc compiler.
//
// History:
// 7/15/01 - Vikram Adve - Created
//
//**************************************************************************/
#include "llvm/Module.h"
#include "llvm/Method.h"
#include "llvm/Bytecode/Reader.h"
#include "llvm/Bytecode/Writer.h"
#include "llvm/CodeGen/InstrSelection.h"
#include "llvm/LLC/CompileContext.h"
#include "llvm/CodeGen/Sparc.h"
#include "llvm/Tools/CommandLine.h"
cl::String InputFilename ("", "Input filename", cl::NoFlags, "");
cl::String OutputFilename("o", "Output filename", cl::NoFlags, "");
CompileContext::~CompileContext() { delete targetMachine; }
static bool CompileModule(Module *module, CompileContext& ccontext) {
bool failed = false;
for (Module::MethodListType::const_iterator
methodIter = module->getMethodList().begin();
methodIter != module->getMethodList().end();
++methodIter)
{
Method* method = *methodIter;
if (SelectInstructionsForMethod(method, ccontext))
{
failed = true;
cerr << "Instruction selection failed for method "
<< method->getName() << "\n\n";
}
}
return failed;
}
//---------------------------------------------------------------------------
// Function main()
//
// Entry point for the driver.
//---------------------------------------------------------------------------
int main(int argc, char** argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm system compiler\n");
CompileContext compileContext(new UltraSparc());
Module *module = ParseBytecodeFile(InputFilename.getValue());
if (module == 0) {
cerr << "bytecode didn't read correctly.\n";
return 1;
}
bool failure = CompileModule(module, compileContext);
if (failure) {
cerr << "Error compiling "
<< InputFilename.getValue() << "!\n";
delete module;
return 1;
}
// Okay, we're done now... write out result...
// WriteBytecodeToFile(module,
// OutputFilename.getValue());
// Clean up and exit
delete module;
return 0;
}
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