[llvm-commits] CVS: llvm/tools/llvmc/llvmc.cpp

[Reid Spencer]

Changes in directory llvm/tools/llvmc:

llvmc.cpp added (r1.1)
---
Log message:

First "do nothing" version of the LLVM Compiler Driver. This version just
processes command line arguments and allows --help to be used.


---
Diffs of the changes:  (+167 -0)

Index: llvm/tools/llvmc/llvmc.cpp
diff -c /dev/null llvm/tools/llvmc/llvmc.cpp:1.1
*** /dev/null	Tue Aug 10 11:26:11 2004
--- llvm/tools/llvmc/llvmc.cpp	Tue Aug 10 11:26:01 2004
***************
*** 0 ****
--- 1,167 ----
+ //===--- llvmc.cpp - The LLVM Compiler Driver -----------------------------===//
+ // 
+ //                     The LLVM Compiler Infrastructure
+ //
+ // This file was developed by Reid Spencerand is distributed under the
+ // University of Illinois Open Source License. See LICENSE.TXT for details.
+ // 
+ //===----------------------------------------------------------------------===//
+ //
+ //  This tool provides a single point of access to the LLVM compilation tools.
+ //  It has many options. To discover the options supported please refer to the
+ //  tools' manual page (docs/CommandGuide/html/llvmc.html) or run the tool with
+ //  the --help option.
+ // 
+ //===------------------------------------------------------------------------===
+ 
+ #include "llvm/Driver/CompilerDriver.h"
+ #include "llvm/System/Signals.h"
+ #include "Support/CommandLine.h"
+ #include <iostream>
+ 
+ using namespace llvm;
+ 
+ //===------------------------------------------------------------------------===
+ //===          PHASE OPTIONS
+ //===------------------------------------------------------------------------===
+ static cl::opt<CompilerDriver::Phases> FinalPhase(
+   cl::desc("Choose final phase of compilation:"), 
+   cl::values(
+     clEnumValN(CompilerDriver::PREPROCESSING,"E",
+       "Stop compilation after pre-processing"),
+     clEnumValN(CompilerDriver::OPTIMIZATION,"c",
+       "Stop compilation after source code translation and optimization"),
+     clEnumValN(CompilerDriver::ASSEMBLY,"S",
+       "Stop compilation after assembly"),
+     clEnumValEnd
+   )
+ );
+ 
+ //===------------------------------------------------------------------------===
+ //===          OPTIMIZATION OPTIONS
+ //===------------------------------------------------------------------------===
+ static cl::opt<CompilerDriver::OptimizationLevels> OptLevel(
+   cl::desc("Choose level of optimization to apply:"),
+   cl::values(
+     clEnumValN(CompilerDriver::OPT_FAST_COMPILE,"O0",
+       "Optimize for compilation speed, not execution speed."),
+     clEnumValN(CompilerDriver::OPT_FAST_COMPILE,"O1",
+       "Optimize for compilation speed, not execution speed."),
+     clEnumValN(CompilerDriver::OPT_SIMPLE,"O2",
+       "Perform simple translation time optimizations"),
+     clEnumValN(CompilerDriver::OPT_AGGRESSIVE,"O3",
+       "Perform aggressive translation time optimizations"),
+     clEnumValN(CompilerDriver::OPT_LINK_TIME,"O4",
+       "Perform link time optimizations"),
+     clEnumValN(CompilerDriver::OPT_AGGRESSIVE_LINK_TIME,"O5",
+       "Perform aggressive link time optimizations"),
+     clEnumValEnd
+   )
+ );
+ 
+ //===------------------------------------------------------------------------===
+ //===          TOOL OPTIONS
+ //===------------------------------------------------------------------------===
+ 
+ static cl::opt<std::string> PPToolOpts("Tpp", cl::ZeroOrMore,
+   cl::desc("Pass specific options to the pre-processor"));
+ 
+ static cl::opt<std::string> AsmToolOpts("Tasm", cl::ZeroOrMore,
+   cl::desc("Pass specific options to the assembler"));
+ 
+ static cl::opt<std::string> OptToolOpts("Topt", cl::ZeroOrMore,
+   cl::desc("Pass specific options to the optimizer"));
+ 
+ static cl::opt<std::string> LinkToolOpts("Tlink", cl::ZeroOrMore,
+   cl::desc("Pass specific options to the linker"));
+ 
+ //===------------------------------------------------------------------------===
+ //===          INPUT OPTIONS
+ //===------------------------------------------------------------------------===
+ 
+ static cl::list<std::string> LibPaths("L", cl::Prefix,
+   cl::desc("Specify a library search path"), cl::value_desc("directory"));
+                                                                                                                                             
+ static cl::list<std::string> Libraries("l", cl::Prefix,
+   cl::desc("Specify libraries to link to"), cl::value_desc("library prefix"));
+ 
+ 
+ //===------------------------------------------------------------------------===
+ //===          OUTPUT OPTIONS
+ //===------------------------------------------------------------------------===
+ 
+ static cl::opt<std::string> OutputFilename("o", cl::init("a.out"),
+   cl::desc("Override output filename"), cl::value_desc("filename"));
+ 
+ static cl::opt<std::string> OutputMachne("m", cl::Prefix,
+   cl::desc("Specify a target machine"), cl::value_desc("machine"));
+                                                                                                                                             
+ static cl::opt<bool> Native("native",
+   cl::desc("Generative native object and executables instead of bytecode"));
+ 
+ //===------------------------------------------------------------------------===
+ //===          INFORMATION OPTIONS
+ //===------------------------------------------------------------------------===
+ 
+ static cl::opt<bool> NoOperation("no-operation", cl::Optional,
+   cl::desc("Do not perform actions"));
+ 
+ static cl::alias NoOp("n", cl::Optional,
+   cl::desc("Alias for -no-operation"), cl::aliasopt(NoOperation));
+ 
+ static cl::opt<bool> Verbose("verbose", cl::Optional,
+   cl::desc("Print out each action taken"));
+ 
+ static cl::alias VerboseAlias("v", cl::Optional,
+   cl::desc("Alias for -verbose"), cl::aliasopt(Verbose));
+ 
+ static cl::opt<bool> TimeActions("time-actions", cl::Optional,
+   cl::desc("Print execution time for each action taken"));
+ 
+ //===------------------------------------------------------------------------===
+ //===          ADVANCED OPTIONS
+ //===------------------------------------------------------------------------===
+ 
+ static cl::list<std::string> ConfigFiles("config-dir", cl::Optional,
+   cl::desc("Specify a configuration directory to override defaults"));
+ 
+ static cl::opt<bool> EmitRawCode("emit-raw-code", cl::Hidden,
+   cl::desc("Emit raw, unoptimized code"));
+ 
+ //===------------------------------------------------------------------------===
+ //===          POSITIONAL OPTIONS
+ //===------------------------------------------------------------------------===
+ 
+ static cl::list<std::string> Files(cl::Positional, cl::OneOrMore,
+   cl::desc("Source and object files"));
+ 
+ 
+ /// @brief The main program for llvmc
+ int main(int argc, char **argv) {
+   // Make sure we print stack trace if we get bad signals
+   PrintStackTraceOnErrorSignal();
+ 
+   // Parse the command line options
+   cl::ParseCommandLineOptions(argc, argv, 
+     " LLVM Compilation Driver (llvmc)\n\n"
+     "  This program provides easy invocation of the LLVM tool set\n"
+     "  and source language compiler tools.\n"
+   );
+ 
+   // Construct the CompilerDriver object
+   //CompilerDriver CD;
+ 
+   // Set the options for the Compiler Driver
+ 
+   // Tell the driver to do its thing
+   int result = 0;
+   // result = CD.execute();
+   if (result != 0) {
+     std::cerr << argv[0] << ": Error executing actions. Terminated.\n";
+     return result;
+   }
+ 
+   // All is good, return success
+   return 0;
+ }
+