[llvm-commits] [llvm] r41192 - /llvm/trunk/include/llvm/Support/PassNameParser.h

[Tanya Lattner]

These are good comments, but could you use the doxygen style comments  
"///" so that it will show up in doxygen?

Thanks,
Tanya

On Aug 20, 2007, at 12:54 PM, David Greene wrote:

> Author: greened
> Date: Mon Aug 20 14:54:01 2007
> New Revision: 41192
>
> URL: http://llvm.org/viewvc/llvm-project?rev=41192&view=rev
> Log:
>
> Add FilteredPassNameParser along with PassArgFilter to filter passes
> based on their Arg members.
>
>
>
> Modified:
>     llvm/trunk/include/llvm/Support/PassNameParser.h
>
> Modified: llvm/trunk/include/llvm/Support/PassNameParser.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ 
> Support/PassNameParser.h?rev=41192&r1=41191&r2=41192&view=diff
>
> ====================================================================== 
> ========
> --- llvm/trunk/include/llvm/Support/PassNameParser.h (original)
> +++ llvm/trunk/include/llvm/Support/PassNameParser.h Mon Aug 20  
> 14:54:01 2007
> @@ -24,9 +24,9 @@
>  #define LLVM_SUPPORT_PASS_NAME_PARSER_H
>
>  #include "llvm/Support/CommandLine.h"
> -#include "llvm/Support/Debug.h"
>  #include "llvm/Pass.h"
>  #include <algorithm>
> +#include <cstring>
>
>  namespace llvm {
>
> @@ -89,6 +89,44 @@
>    }
>  };
>
> -} // End llvm namespace
> +// 
> ===------------------------------------------------------------------- 
> ---===//
> +// 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("LLVM optimizations 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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