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Add external definitions for commonly-used template specializations and add

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anchor methods to others.  This eliminates the vtable/template method bloat
in .o files that defining a cl::opt used to impose (~4K per .o file for one
cp::opt<unsigned>).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29909 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-08-27 12:45:47 +00:00
parent 0c0cc92762
commit 7422a76100
2 changed files with 65 additions and 9 deletions
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35
lib/Support/CommandLine.cpp
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@@ -28,11 +28,36 @@
#include <cerrno>
#include <cstring>
using namespace llvm;
using namespace cl;
//===----------------------------------------------------------------------===//
// Template instantiations and anchors.
//
TEMPLATE_INSTANTIATION(class basic_parser<bool>);
TEMPLATE_INSTANTIATION(class basic_parser<int>);
TEMPLATE_INSTANTIATION(class basic_parser<unsigned>);
TEMPLATE_INSTANTIATION(class basic_parser<double>);
TEMPLATE_INSTANTIATION(class basic_parser<float>);
TEMPLATE_INSTANTIATION(class basic_parser<std::string>);
TEMPLATE_INSTANTIATION(class opt<unsigned>);
TEMPLATE_INSTANTIATION(class opt<int>);
TEMPLATE_INSTANTIATION(class opt<std::string>);
TEMPLATE_INSTANTIATION(class opt<bool>);
void Option::anchor() {}
void basic_parser_impl::anchor() {}
void parser<bool>::anchor() {}
void parser<int>::anchor() {}
void parser<unsigned>::anchor() {}
void parser<double>::anchor() {}
void parser<float>::anchor() {}
void parser<std::string>::anchor() {}
//===----------------------------------------------------------------------===//
// Globals for name and overview of program
static std::string ProgramName ( "<premain>" );
static std::string ProgramName = "<premain>";
static const char *ProgramOverview = 0;
// This collects additional help to be printed.
@@ -47,7 +72,7 @@ extrahelp::extrahelp(const char* Help)
}
//===----------------------------------------------------------------------===//
// Basic, shared command line option processing machinery...
// Basic, shared command line option processing machinery.
//
// Return the global command line option vector. Making it a function scoped
@@ -596,10 +621,6 @@ void cl::ParseCommandLineOptions(int &argc, char **argv,
// Option Base class implementation
//
// Out of line virtual function to provide home for the class.
void Option::anchor() {
}
bool Option::error(std::string Message, const char *ArgName) {
if (ArgName == 0) ArgName = ArgStr;
if (ArgName[0] == 0)