mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-30 02:32:08 +00:00
e81561909d
now cerr, cout, and NullStream resp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32298 91177308-0d34-0410-b5e6-96231b3b80d8
96 lines
3.7 KiB
C++
96 lines
3.7 KiB
C++
//===- llvm/Support/PassNameParser.h ----------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by the LLVM research group and is distributed under
|
|
// the University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file the PassNameParser and FilteredPassNameParser<> classes, which are
|
|
// used to add command line arguments to a utility for all of the passes that
|
|
// have been registered into the system.
|
|
//
|
|
// The PassNameParser class adds ALL passes linked into the system (that are
|
|
// creatable) as command line arguments to the tool (when instantiated with the
|
|
// appropriate command line option template). The FilteredPassNameParser<>
|
|
// template is used for the same purposes as PassNameParser, except that it only
|
|
// includes passes that have a PassType that are compatible with the filter
|
|
// (which is the template argument).
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_SUPPORT_PASS_NAME_PARSER_H
|
|
#define LLVM_SUPPORT_PASS_NAME_PARSER_H
|
|
|
|
#include "llvm/Support/CommandLine.h"
|
|
#include "llvm/Support/Debug.h"
|
|
#include "llvm/Pass.h"
|
|
#include <algorithm>
|
|
|
|
namespace llvm {
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// PassNameParser class - Make use of the pass registration mechanism to
|
|
// automatically add a command line argument to opt for each pass.
|
|
//
|
|
class PassNameParser : public PassRegistrationListener,
|
|
public cl::parser<const PassInfo*> {
|
|
cl::Option *Opt;
|
|
public:
|
|
PassNameParser() : Opt(0) {}
|
|
|
|
void initialize(cl::Option &O) {
|
|
Opt = &O;
|
|
cl::parser<const PassInfo*>::initialize(O);
|
|
|
|
// Add all of the passes to the map that got initialized before 'this' did.
|
|
enumeratePasses();
|
|
}
|
|
|
|
// ignorablePassImpl - Can be overriden in subclasses to refine the list of
|
|
// which passes we want to include.
|
|
//
|
|
virtual bool ignorablePassImpl(const PassInfo *P) const { return false; }
|
|
|
|
inline bool ignorablePass(const PassInfo *P) const {
|
|
// Ignore non-selectable and non-constructible passes! Ignore
|
|
// non-optimizations.
|
|
return P->getPassArgument() == 0 || *P->getPassArgument() == 0 ||
|
|
P->getNormalCtor() == 0 || ignorablePassImpl(P);
|
|
}
|
|
|
|
// Implement the PassRegistrationListener callbacks used to populate our map
|
|
//
|
|
virtual void passRegistered(const PassInfo *P) {
|
|
if (ignorablePass(P) || !Opt) return;
|
|
if (findOption(P->getPassArgument()) != getNumOptions()) {
|
|
cerr << "Two passes with the same argument (-"
|
|
<< P->getPassArgument() << ") attempted to be registered!\n";
|
|
abort();
|
|
}
|
|
addLiteralOption(P->getPassArgument(), P, P->getPassName());
|
|
Opt->addArgument(P->getPassArgument());
|
|
}
|
|
virtual void passEnumerate(const PassInfo *P) { passRegistered(P); }
|
|
|
|
// ValLessThan - Provide a sorting comparator for Values elements...
|
|
typedef std::pair<const char*,
|
|
std::pair<const PassInfo*, const char*> > ValType;
|
|
static bool ValLessThan(const ValType &VT1, const ValType &VT2) {
|
|
return std::string(VT1.first) < std::string(VT2.first);
|
|
}
|
|
|
|
// printOptionInfo - Print out information about this option. Override the
|
|
// default implementation to sort the table before we print...
|
|
virtual void printOptionInfo(const cl::Option &O, unsigned GlobalWidth) const{
|
|
PassNameParser *PNP = const_cast<PassNameParser*>(this);
|
|
std::sort(PNP->Values.begin(), PNP->Values.end(), ValLessThan);
|
|
cl::parser<const PassInfo*>::printOptionInfo(O, GlobalWidth);
|
|
}
|
|
};
|
|
|
|
} // End llvm namespace
|
|
|
|
#endif
|