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// $Id$
//***************************************************************************
// File:
// llc.cpp
//
// Purpose:
// Driver for llc compiler.
//
// History:
// 7/15/01 - Vikram Adve - Created
//
//**************************************************************************/
//************************** System Include Files **************************/
//*************************** User Include Files ***************************/
#include "llvm/Module.h"
#include "llvm/Method.h"
#include "llvm/Bytecode/Reader.h"
#include "llvm/Bytecode/Writer.h"
#include "llvm/CodeGen/InstrForest.h"
#include "llvm/CodeGen/InstrSelection.h"
#include "llvm/LLC/LLCOptions.h"
#include "llvm/LLC/CompileContext.h"
//************************** Forward Declarations **************************/
class Module;
class CompileContext;
static bool CompileModule (Module *module,
CompileContext& compileContext);
int DebugInstrSelectLevel = DEBUG_INSTR_TREES;
//---------------------------------------------------------------------------
// Function main()
//
// Entry point for the driver.
//---------------------------------------------------------------------------
int
main(int argc, const char** argv, const char** envp)
{
CompileContext compileContext(argc, argv, envp);
Module *module =
ParseBytecodeFile(compileContext.getOptions().getInputFileName());
if (module == 0) {
cerr << "bytecode didn't read correctly.\n";
return 1;
}
bool failure = CompileModule(module, compileContext);
if (failure)
{
cerr << "Error compiling "
<< compileContext.getOptions().getInputFileName() << "!\n";
delete module;
return 1;
}
// Okay, we're done now... write out result...
// WriteBytecodeToFile(module,
// compileContext.getOptions().getOutputFileName);
// Clean up and exit
delete module;
return 0;
}
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->hasName()? method->getName() : "")
<< endl << endl;
}
}
return failed;
}
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