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Shrink PassNameParser's binary size with array_pod_sort. 

llvm-svn: 110512
This commit is contained in:
Benjamin Kramer 2010-08-07 11:45:42 +00:00
parent 7cd1d97e33
commit be05173105
1 changed files with 12 additions and 11 deletions
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23
llvm/include/llvm/Support/PassNameParser.h
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@ -23,11 +23,11 @@
#ifndef LLVM_SUPPORT_PASS_NAME_PARSER_H
#define LLVM_SUPPORT_PASS_NAME_PARSER_H
#include "llvm/Pass.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Pass.h"
#include <algorithm>
#include <cstring>
namespace llvm {
@ -42,8 +42,7 @@ class PassNameParser : public PassRegistrationListener,
public:
PassNameParser() : Opt(0) {}
virtual ~PassNameParser();
void initialize(cl::Option &O) {
Opt = &O;
cl::parser<const PassInfo*>::initialize(O);
@ -77,19 +76,21 @@ public:
}
virtual void passEnumerate(const PassInfo *P) { passRegistered(P); }
// ValLessThan - Provide a sorting comparator for Values elements...
typedef PassNameParser::OptionInfo ValType;
static bool ValLessThan(const ValType &VT1, const ValType &VT2) {
return std::string(VT1.Name) < std::string(VT2.Name);
}
// 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, 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);
}
};
///===----------------------------------------------------------------------===//