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strength reduce further StringRef-> const char*, saving another 620 bytes.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82372 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-09-20 05:53:47 +00:00
parent 55a722bf6a
commit bc2d9d3de5
1 changed files with 11 additions and 5 deletions
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16
lib/Support/CommandLine.cpp
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@ -28,7 +28,6 @@
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Config/config.h"
#include <cerrno>
@ -1121,6 +1120,11 @@ HHOp("help-hidden", cl::desc("Display all available options"),
static void (*OverrideVersionPrinter)() = 0;
static int TargetArraySortFn(const void *LHS, const void *RHS) {
typedef std::pair<const char *, const Target*> pair_ty;
return strcmp(((const pair_ty*)LHS)->first, ((const pair_ty*)RHS)->first);
}
namespace {
class VersionPrinter {
public:
@ -1145,18 +1149,20 @@ public:
<< "\n"
<< " Registered Targets:\n";
std::vector<std::pair<StringRef, const Target*> > Targets;
std::vector<std::pair<const char *, const Target*> > Targets;
size_t Width = 0;
for (TargetRegistry::iterator it = TargetRegistry::begin(),
ie = TargetRegistry::end(); it != ie; ++it) {
Targets.push_back(std::make_pair(it->getName(), &*it));
Width = std::max(Width, Targets.back().first.size());
Width = std::max(Width, strlen(Targets.back().first));
}
array_pod_sort(Targets.begin(), Targets.end());
if (!Targets.empty())
qsort(&Targets[0], Targets.size(), sizeof(Targets[0]),
TargetArraySortFn);
for (unsigned i = 0, e = Targets.size(); i != e; ++i) {
outs() << " " << Targets[i].first;
outs().indent(Width - Targets[i].first.size()) << " - "
outs().indent(Width - strlen(Targets[i].first)) << " - "
<< Targets[i].second->getShortDescription() << '\n';
}
if (Targets.empty())