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First "do nothing" version of the LLVM Compiler Driver. This version just
processes command line arguments and allows --help to be used. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@15607 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer
parent
7d620d57a4
commit
034a544401
167
tools/llvmc/llvmc.cpp
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167
tools/llvmc/llvmc.cpp
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//===--- llvmc.cpp - The LLVM Compiler Driver -----------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Reid Spencerand is distributed under the
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// University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This tool provides a single point of access to the LLVM compilation tools.
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// It has many options. To discover the options supported please refer to the
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// tools' manual page (docs/CommandGuide/html/llvmc.html) or run the tool with
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// the --help option.
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//
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//===------------------------------------------------------------------------===
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#include "llvm/Driver/CompilerDriver.h"
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#include "llvm/System/Signals.h"
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#include "Support/CommandLine.h"
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#include <iostream>
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using namespace llvm;
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//===------------------------------------------------------------------------===
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//=== PHASE OPTIONS
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//===------------------------------------------------------------------------===
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static cl::opt<CompilerDriver::Phases> FinalPhase(
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cl::desc("Choose final phase of compilation:"),
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cl::values(
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clEnumValN(CompilerDriver::PREPROCESSING,"E",
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"Stop compilation after pre-processing"),
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clEnumValN(CompilerDriver::OPTIMIZATION,"c",
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"Stop compilation after source code translation and optimization"),
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clEnumValN(CompilerDriver::ASSEMBLY,"S",
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"Stop compilation after assembly"),
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clEnumValEnd
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)
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);
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//===------------------------------------------------------------------------===
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//=== OPTIMIZATION OPTIONS
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//===------------------------------------------------------------------------===
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static cl::opt<CompilerDriver::OptimizationLevels> OptLevel(
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cl::desc("Choose level of optimization to apply:"),
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cl::values(
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clEnumValN(CompilerDriver::OPT_FAST_COMPILE,"O0",
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"Optimize for compilation speed, not execution speed."),
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clEnumValN(CompilerDriver::OPT_FAST_COMPILE,"O1",
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"Optimize for compilation speed, not execution speed."),
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clEnumValN(CompilerDriver::OPT_SIMPLE,"O2",
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"Perform simple translation time optimizations"),
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clEnumValN(CompilerDriver::OPT_AGGRESSIVE,"O3",
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"Perform aggressive translation time optimizations"),
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clEnumValN(CompilerDriver::OPT_LINK_TIME,"O4",
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"Perform link time optimizations"),
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clEnumValN(CompilerDriver::OPT_AGGRESSIVE_LINK_TIME,"O5",
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"Perform aggressive link time optimizations"),
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clEnumValEnd
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)
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);
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//===------------------------------------------------------------------------===
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//=== TOOL OPTIONS
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//===------------------------------------------------------------------------===
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static cl::opt<std::string> PPToolOpts("Tpp", cl::ZeroOrMore,
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cl::desc("Pass specific options to the pre-processor"));
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static cl::opt<std::string> AsmToolOpts("Tasm", cl::ZeroOrMore,
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cl::desc("Pass specific options to the assembler"));
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static cl::opt<std::string> OptToolOpts("Topt", cl::ZeroOrMore,
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cl::desc("Pass specific options to the optimizer"));
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static cl::opt<std::string> LinkToolOpts("Tlink", cl::ZeroOrMore,
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cl::desc("Pass specific options to the linker"));
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//===------------------------------------------------------------------------===
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//=== INPUT OPTIONS
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//===------------------------------------------------------------------------===
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static cl::list<std::string> LibPaths("L", cl::Prefix,
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cl::desc("Specify a library search path"), cl::value_desc("directory"));
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static cl::list<std::string> Libraries("l", cl::Prefix,
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cl::desc("Specify libraries to link to"), cl::value_desc("library prefix"));
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//===------------------------------------------------------------------------===
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//=== OUTPUT OPTIONS
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//===------------------------------------------------------------------------===
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static cl::opt<std::string> OutputFilename("o", cl::init("a.out"),
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cl::desc("Override output filename"), cl::value_desc("filename"));
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static cl::opt<std::string> OutputMachne("m", cl::Prefix,
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cl::desc("Specify a target machine"), cl::value_desc("machine"));
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static cl::opt<bool> Native("native",
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cl::desc("Generative native object and executables instead of bytecode"));
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//===------------------------------------------------------------------------===
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//=== INFORMATION OPTIONS
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//===------------------------------------------------------------------------===
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static cl::opt<bool> NoOperation("no-operation", cl::Optional,
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cl::desc("Do not perform actions"));
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static cl::alias NoOp("n", cl::Optional,
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cl::desc("Alias for -no-operation"), cl::aliasopt(NoOperation));
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static cl::opt<bool> Verbose("verbose", cl::Optional,
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cl::desc("Print out each action taken"));
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static cl::alias VerboseAlias("v", cl::Optional,
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cl::desc("Alias for -verbose"), cl::aliasopt(Verbose));
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static cl::opt<bool> TimeActions("time-actions", cl::Optional,
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cl::desc("Print execution time for each action taken"));
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//===------------------------------------------------------------------------===
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//=== ADVANCED OPTIONS
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//===------------------------------------------------------------------------===
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static cl::list<std::string> ConfigFiles("config-dir", cl::Optional,
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cl::desc("Specify a configuration directory to override defaults"));
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static cl::opt<bool> EmitRawCode("emit-raw-code", cl::Hidden,
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cl::desc("Emit raw, unoptimized code"));
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//===------------------------------------------------------------------------===
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//=== POSITIONAL OPTIONS
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//===------------------------------------------------------------------------===
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static cl::list<std::string> Files(cl::Positional, cl::OneOrMore,
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cl::desc("Source and object files"));
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/// @brief The main program for llvmc
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int main(int argc, char **argv) {
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// Make sure we print stack trace if we get bad signals
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PrintStackTraceOnErrorSignal();
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// Parse the command line options
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cl::ParseCommandLineOptions(argc, argv,
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" LLVM Compilation Driver (llvmc)\n\n"
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" This program provides easy invocation of the LLVM tool set\n"
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" and source language compiler tools.\n"
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);
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// Construct the CompilerDriver object
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//CompilerDriver CD;
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// Set the options for the Compiler Driver
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// Tell the driver to do its thing
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int result = 0;
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// result = CD.execute();
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if (result != 0) {
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std::cerr << argv[0] << ": Error executing actions. Terminated.\n";
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return result;
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}
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// All is good, return success
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return 0;
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}
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