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Kill using declarations

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5934 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-04-25 05:26:11 +00:00
parent 322bc2b5aa
commit b5881f126d
1 changed files with 31 additions and 32 deletions
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45
tools/llc/llc.cpp
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@ -21,8 +21,6 @@
#include "Support/Signals.h" #include "Support/Signals.h"
#include <memory> #include <memory>
#include <fstream> #include <fstream>
using std::string;
using std::cerr;
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
// Option declarations for LLC. // Option declarations for LLC.
@ -43,10 +41,10 @@ OptimizationList(cl::desc("Optimizations available:"));
// within the corresponding llc passes, and target-specific options // within the corresponding llc passes, and target-specific options
// and back-end code generation options are specified with the target machine. // and back-end code generation options are specified with the target machine.
// //
static cl::opt<string> static cl::opt<std::string>
InputFilename(cl::Positional, cl::desc("<input bytecode>"), cl::init("-")); InputFilename(cl::Positional, cl::desc("<input bytecode>"), cl::init("-"));
static cl::opt<string> static cl::opt<std::string>
OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename")); OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"));
static cl::opt<bool> Force("f", cl::desc("Overwrite output files")); static cl::opt<bool> Force("f", cl::desc("Overwrite output files"));
@ -55,7 +53,7 @@ static cl::opt<bool>
DumpAsm("d", cl::desc("Print bytecode before native code generation"), DumpAsm("d", cl::desc("Print bytecode before native code generation"),
cl::Hidden); cl::Hidden);
static cl::opt<string> static cl::opt<std::string>
TraceLibPath("tracelibpath", cl::desc("Path to libinstr for trace code"), TraceLibPath("tracelibpath", cl::desc("Path to libinstr for trace code"),
cl::value_desc("directory"), cl::Hidden); cl::value_desc("directory"), cl::Hidden);
@ -66,14 +64,14 @@ static bool TraceBasicBlocks = false;
// GetFileNameRoot - Helper function to get the basename of a filename... // GetFileNameRoot - Helper function to get the basename of a filename...
static inline string static inline std::string
GetFileNameRoot(const string &InputFilename) GetFileNameRoot(const std::string &InputFilename)
{ {
string IFN = InputFilename; std::string IFN = InputFilename;
string outputFilename; std::string outputFilename;
int Len = IFN.length(); int Len = IFN.length();
if (IFN[Len-3] == '.' && IFN[Len-2] == 'b' && IFN[Len-1] == 'c') { if (IFN[Len-3] == '.' && IFN[Len-2] == 'b' && IFN[Len-1] == 'c') {
outputFilename = string(IFN.begin(), IFN.end()-3); // s/.bc/.s/ outputFilename = std::string(IFN.begin(), IFN.end()-3); // s/.bc/.s/
} else { } else {
outputFilename = IFN; outputFilename = IFN;
} }
@ -116,7 +114,7 @@ insertTraceCodeFor(Module &M)
// If we still didn't get it, cancel trying to link it in... // If we still didn't get it, cancel trying to link it in...
if (TraceModule == 0) if (TraceModule == 0)
cerr << "Warning, could not load trace routines to link into program!\n"; std::cerr <<"WARNING: couldn't load trace routines to link into program!\n";
else else
{ {
// Link in the trace routines... if this fails, don't panic, because the // Link in the trace routines... if this fails, don't panic, because the
@ -124,22 +122,22 @@ insertTraceCodeFor(Module &M)
// //
std::auto_ptr<Module> TraceRoutines(TraceModule); std::auto_ptr<Module> TraceRoutines(TraceModule);
if (LinkModules(&M, TraceRoutines.get(), &ErrorMessage)) if (LinkModules(&M, TraceRoutines.get(), &ErrorMessage))
cerr << "Warning: Error linking in trace routines: " std::cerr << "WARNING: Error linking in trace routines: "
<< ErrorMessage << "\n"; << ErrorMessage << "\n";
} }
// Write out the module with tracing code just before code generation // Write out the module with tracing code just before code generation
assert (InputFilename != "-" assert (InputFilename != "-"
&& "Cannot write out traced bytecode when reading input from stdin"); && "Cannot write out traced bytecode when reading input from stdin");
string TraceFilename = GetFileNameRoot(InputFilename) + ".trace.bc"; std::string TraceFilename = GetFileNameRoot(InputFilename) + ".trace.bc";
std::ofstream Out(TraceFilename.c_str()); std::ofstream Out(TraceFilename.c_str());
if (!Out.good()) if (!Out.good())
cerr << "Error opening '" << TraceFilename std::cerr << "Error opening '" << TraceFilename
<< "'!: Skipping output of trace code as bytecode\n"; << "'!: Skipping output of trace code as bytecode\n";
else else
{ {
cerr << "Emitting trace code to '" << TraceFilename std::cerr << "Emitting trace code to '" << TraceFilename
<< "' for comparison...\n"; << "' for comparison...\n";
WriteBytecodeToFile(&M, Out); WriteBytecodeToFile(&M, Out);
} }
@ -179,7 +177,7 @@ main(int argc, char **argv)
std::auto_ptr<Module> M(ParseBytecodeFile(InputFilename)); std::auto_ptr<Module> M(ParseBytecodeFile(InputFilename));
if (M.get() == 0) if (M.get() == 0)
{ {
cerr << argv[0] << ": bytecode didn't read correctly.\n"; std::cerr << argv[0] << ": bytecode didn't read correctly.\n";
return 1; return 1;
} }
@ -208,7 +206,7 @@ main(int argc, char **argv)
else if (Opt->getTargetCtor()) else if (Opt->getTargetCtor())
Passes.add(Opt->getTargetCtor()(Target)); Passes.add(Opt->getTargetCtor()(Target));
else else
cerr << argv[0] << ": cannot create pass: " std::cerr << argv[0] << ": cannot create pass: "
<< Opt->getPassName() << "\n"; << Opt->getPassName() << "\n";
} }
} }
@ -227,7 +225,7 @@ main(int argc, char **argv)
// If LLVM dumping after transformations is requested, add it to the pipeline // If LLVM dumping after transformations is requested, add it to the pipeline
if (DumpAsm) if (DumpAsm)
Passes.add(new PrintFunctionPass("Code after xformations: \n", &cerr)); Passes.add(new PrintFunctionPass("Code after xformations: \n", &std::cerr));
// Strip all of the symbols from the bytecode so that it will be smaller... // Strip all of the symbols from the bytecode so that it will be smaller...
Passes.add(createSymbolStrippingPass()); Passes.add(createSymbolStrippingPass());
@ -238,7 +236,7 @@ main(int argc, char **argv)
{ // Specified an output filename? { // Specified an output filename?
if (!Force && std::ifstream(OutputFilename.c_str())) { if (!Force && std::ifstream(OutputFilename.c_str())) {
// If force is not specified, make sure not to overwrite a file! // If force is not specified, make sure not to overwrite a file!
cerr << argv[0] << ": error opening '" << OutputFilename std::cerr << argv[0] << ": error opening '" << OutputFilename
<< "': file exists!\n" << "': file exists!\n"
<< "Use -f command line argument to force output\n"; << "Use -f command line argument to force output\n";
return 1; return 1;
@ -258,13 +256,13 @@ main(int argc, char **argv)
} }
else else
{ {
string OutputFilename = GetFileNameRoot(InputFilename); std::string OutputFilename = GetFileNameRoot(InputFilename);
OutputFilename += ".s"; OutputFilename += ".s";
if (!Force && std::ifstream(OutputFilename.c_str())) if (!Force && std::ifstream(OutputFilename.c_str()))
{ {
// If force is not specified, make sure not to overwrite a file! // If force is not specified, make sure not to overwrite a file!
cerr << argv[0] << ": error opening '" << OutputFilename std::cerr << argv[0] << ": error opening '" << OutputFilename
<< "': file exists!\n" << "': file exists!\n"
<< "Use -f command line argument to force output\n"; << "Use -f command line argument to force output\n";
return 1; return 1;
@ -273,7 +271,8 @@ main(int argc, char **argv)
Out = new std::ofstream(OutputFilename.c_str()); Out = new std::ofstream(OutputFilename.c_str());
if (!Out->good()) if (!Out->good())
{ {
cerr << argv[0] << ": error opening " << OutputFilename << "!\n"; std::cerr << argv[0] << ": error opening " << OutputFilename
<< "!\n";
delete Out; delete Out;
return 1; return 1;
} }
@ -286,7 +285,7 @@ main(int argc, char **argv)
// Ask the target to add backend passes as neccesary // Ask the target to add backend passes as neccesary
if (Target.addPassesToEmitAssembly(Passes, *Out)) { if (Target.addPassesToEmitAssembly(Passes, *Out)) {
cerr << argv[0] << ": target '" << Target.getName() std::cerr << argv[0] << ": target '" << Target.getName()
<< " does not support static compilation!\n"; << " does not support static compilation!\n";
} else { } else {
// Run our queue of passes all at once now, efficiently. // Run our queue of passes all at once now, efficiently.