//===- llvm/Support/PassNameParser.h ----------------------------*- C++ -*-===//
//
-// 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 LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains 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
//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_SUPPORT_PASS_NAME_PARSER_H
-#define LLVM_SUPPORT_PASS_NAME_PARSER_H
+#ifndef LLVM_SUPPORT_PASSNAMEPARSER_H
+#define LLVM_SUPPORT_PASSNAMEPARSER_H
-#include "Support/CommandLine.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/Pass.h"
-#include <algorithm>
-#include <iostream>
-#include <assert.h>
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cstring>
+
+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,
+class PassNameParser : public PassRegistrationListener,
public cl::parser<const PassInfo*> {
cl::Option *Opt;
public:
PassNameParser() : Opt(0) {}
-
+ virtual ~PassNameParser();
+
void initialize(cl::Option &O) {
Opt = &O;
cl::parser<const PassInfo*>::initialize(O);
// Ignore non-selectable and non-constructible passes! Ignore
// non-optimizations.
return P->getPassArgument() == 0 || *P->getPassArgument() == 0 ||
- (P->getNormalCtor() == 0 && P->getTargetCtor() == 0) ||
- ignorablePassImpl(P);
+ 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()) {
- std::cerr << "Two passes with the same argument (-"
- << P->getPassArgument() << ") attempted to be registered!\n";
- abort();
+ errs() << "Two passes with the same argument (-"
+ << P->getPassArgument() << ") attempted to be registered!\n";
+ llvm_unreachable(0);
}
addLiteralOption(P->getPassArgument(), P, P->getPassName());
- Opt->addArgument(P->getPassArgument());
}
virtual void passEnumerate(const PassInfo *P) { passRegistered(P); }
- virtual void passUnregistered(const PassInfo *P) {
- if (ignorablePass(P) || !Opt) return;
- assert(findOption(P->getPassArgument()) != getNumOptions() &&
- "Registered Pass not in the pass map!");
- removeLiteralOption(P->getPassArgument());
- Opt->removeArgument(P->getPassArgument());
- }
-
- // 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{
+ virtual void printOptionInfo(const cl::Option &O, size_t GlobalWidth) const {
PassNameParser *PNP = const_cast<PassNameParser*>(this);
- std::sort(PNP->Values.begin(), PNP->Values.end(), ValLessThan);
+ array_pod_sort(PNP->Values.begin(), PNP->Values.end(), ValLessThan);
cl::parser<const PassInfo*>::printOptionInfo(O, GlobalWidth);
}
+
+private:
+ // ValLessThan - Provide a sorting comparator for Values elements...
+ static int ValLessThan(const PassNameParser::OptionInfo *VT1,
+ const PassNameParser::OptionInfo *VT2) {
+ return std::strcmp(VT1->Name, VT2->Name);
+ }
};
+///===----------------------------------------------------------------------===//
+/// FilteredPassNameParser class - Make use of the pass registration
+/// mechanism to automatically add a command line argument to opt for
+/// each pass that satisfies a filter criteria. Filter should return
+/// true for passes to be registered as command-line options.
+///
+template<typename Filter>
+class FilteredPassNameParser : public PassNameParser {
+private:
+ Filter filter;
-//===----------------------------------------------------------------------===//
-// FilteredPassNameParser class - Just like PassNameParser, but filter out
-// passes that do not have a PassType that includes the flags specified as the
-// template argument.
-//
-template<unsigned Flags>
-struct FilteredPassNameParser : public PassNameParser {
+public:
+ bool ignorablePassImpl(const PassInfo *P) const { return !filter(*P); }
+};
- // 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 (P->getPassType() & Flags) == 0;
+///===----------------------------------------------------------------------===//
+/// PassArgFilter - A filter for use with PassNameFilterParser that only
+/// accepts a Pass whose Arg matches certain strings.
+///
+/// Use like this:
+///
+/// extern const char AllowedPassArgs[] = "-anders_aa -dse";
+///
+/// static cl::list<
+/// const PassInfo*,
+/// bool,
+/// FilteredPassNameParser<PassArgFilter<AllowedPassArgs> > >
+/// PassList(cl::desc("Passes available:"));
+///
+/// Only the -anders_aa and -dse options will be available to the user.
+///
+template<const char *Args>
+class PassArgFilter {
+public:
+ bool operator()(const PassInfo &P) const {
+ return(std::strstr(Args, P.getPassArgument()));
}
};
+} // End llvm namespace
+
#endif
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