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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@404 91177308-0d34-0410-b5e6-96231b3b80d8
95 lines
2.1 KiB
C++
95 lines
2.1 KiB
C++
// $Id$
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//***************************************************************************
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// File:
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// llc.cpp
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//
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// Purpose:
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// Driver for llc compiler.
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//
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// History:
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// 7/15/01 - Vikram Adve - Created
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//
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//**************************************************************************/
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#include "llvm/Module.h"
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#include "llvm/Method.h"
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#include "llvm/Bytecode/Reader.h"
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#include "llvm/Optimizations/Normalize.h"
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#include "llvm/CodeGen/InstrSelection.h"
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#include "llvm/CodeGen/InstrScheduling.h"
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#include "llvm/CodeGen/Sparc.h"
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#include "llvm/Support/CommandLine.h"
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cl::String InputFilename ("", "Input filename", cl::NoFlags, "-");
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cl::String OutputFilename("o", "Output filename", cl::NoFlags, "");
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void
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NormalizeMethod(Method* method)
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{
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NormalizePhiConstantArgs(method);
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}
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static bool
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CompileModule(Module *M, TargetMachine &target)
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{
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bool failed = false;
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for (Module::const_iterator MI = M->begin(), ME = M->end(); MI != ME; ++MI)
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{
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Method* method = *MI;
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NormalizeMethod(method);
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failed = SelectInstructionsForMethod(method, target);
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if (failed)
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{
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cerr << "Instruction selection failed for method "
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<< method->getName() << "\n\n";
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break;
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}
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failed = ScheduleInstructionsWithSSA(method, target);
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if (failed)
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{
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cerr << "Instruction scheduling before allocation failed for method "
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<< method->getName() << "\n\n";
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break;
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}
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}
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return failed;
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}
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//---------------------------------------------------------------------------
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// Function main()
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//
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// Entry point for the llc compiler.
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//---------------------------------------------------------------------------
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int
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main(int argc, char** argv)
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{
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cl::ParseCommandLineOptions(argc, argv, " llvm system compiler\n");
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UltraSparc target;
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Module *module = ParseBytecodeFile(InputFilename);
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if (module == 0) {
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cerr << "bytecode didn't read correctly.\n";
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return 1;
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}
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if (CompileModule(module, target)) {
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cerr << "Error compiling " << InputFilename << "!\n";
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delete module;
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return 1;
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}
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// Clean up and exit
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delete module;
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return 0;
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}
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