//
// 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#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/ADT/STLExtras.h"
#include "llvm/Pass.h"
-#include <algorithm>
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cstring>
namespace llvm {
cl::Option *Opt;
public:
PassNameParser() : Opt(0) {}
+ virtual ~PassNameParser();
void initialize(cl::Option &O) {
Opt = &O;
virtual void passRegistered(const PassInfo *P) {
if (ignorablePass(P) || !Opt) return;
if (findOption(P->getPassArgument()) != getNumOptions()) {
- cerr << "Two passes with the same argument (-"
+ errs() << "Two passes with the same argument (-"
<< P->getPassArgument() << ") attempted to be registered!\n";
- abort();
+ llvm_unreachable(0);
}
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{
+ 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 void *VT1, const void *VT2) {
+ typedef PassNameParser::OptionInfo ValType;
+ return std::strcmp(static_cast<const ValType *>(VT1)->Name,
+ static_cast<const ValType *>(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;
+
+public:
+ bool ignorablePassImpl(const PassInfo *P) const { return !filter(*P); }
+};
+
+///===----------------------------------------------------------------------===//
+/// 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