llvm-6502/tools/llc/llc.cpp
Chris Lattner e737c7ac63 Convert llc driver to standard tool format
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@496 91177308-0d34-0410-b5e6-96231b3b80d8
2001-09-07 22:20:50 +00:00

75 lines
2.0 KiB
C++

//===------------------------------------------------------------------------===
// LLVM 'LLC' UTILITY
//
// This is the llc compiler driver.
//
//===------------------------------------------------------------------------===
#include "llvm/Bytecode/Reader.h"
#include "llvm/Optimizations/Normalize.h"
#include "llvm/CodeGen/InstrSelection.h"
#include "llvm/CodeGen/InstrScheduling.h"
#include "llvm/CodeGen/Sparc.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Module.h"
#include "llvm/Method.h"
cl::String InputFilename ("", "Input filename", cl::NoFlags, "-");
cl::String OutputFilename("o", "Output filename", cl::NoFlags, "");
static void NormalizeMethod(Method* method) {
NormalizePhiConstantArgs(method);
}
static bool CompileModule(Module *M, TargetMachine &Target) {
for (Module::const_iterator MI = M->begin(), ME = M->end(); MI != ME; ++MI) {
Method *Meth = *MI;
NormalizeMethod(Meth);
if (SelectInstructionsForMethod(Meth, Target)) {
cerr << "Instruction selection failed for method " << Meth->getName()
<< "\n\n";
return true;
}
if (ScheduleInstructionsWithSSA(Meth, Target)) {
cerr << "Instruction scheduling before allocation failed for method "
<< Meth->getName() << "\n\n";
return true;
}
}
return false;
}
//---------------------------------------------------------------------------
// Function main()
//
// Entry point for the llc compiler.
//---------------------------------------------------------------------------
int main(int argc, char** argv) {
cl::ParseCommandLineOptions(argc, argv, " llvm system compiler\n");
UltraSparc Target;
Module *module = ParseBytecodeFile(InputFilename);
if (module == 0) {
cerr << "bytecode didn't read correctly.\n";
return 1;
}
if (CompileModule(module, Target)) {
cerr << "Error compiling " << InputFilename << "!\n";
delete module;
return 1;
}
// Clean up and exit
delete module;
return 0;
}