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Implement new method

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8238 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-08-31 00:19:28 +00:00
parent 12d40d2926
commit 0ae8e87e53
1 changed files with 24 additions and 0 deletions
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24
lib/VMCore/Module.cpp
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@ -12,6 +12,7 @@
#include "Support/LeakDetector.h" #include "Support/LeakDetector.h"
#include "SymbolTableListTraitsImpl.h" #include "SymbolTableListTraitsImpl.h"
#include <algorithm> #include <algorithm>
#include <cstdarg>
#include <map> #include <map>
Function *ilist_traits<Function>::createNode() { Function *ilist_traits<Function>::createNode() {
@ -95,6 +96,29 @@ Function *Module::getOrInsertFunction(const std::string &Name,
} }
} }
// getOrInsertFunction - Look up the specified function in the module symbol
// table. If it does not exist, add a prototype for the function and return it.
// This version of the method takes a null terminated list of function
// arguments, which makes it easier for clients to use.
//
Function *Module::getOrInsertFunction(const std::string &Name,
const Type *RetTy, ...) {
va_list Args;
va_start(Args, RetTy);
// Build the list of argument types...
std::vector<const Type*> ArgTys;
while (const Type *ArgTy = va_arg(Args, const Type*))
ArgTys.push_back(ArgTy);
va_end(Args);
// Build the function type and chain to the other getOrInsertFunction...
return getOrInsertFunction(Name, FunctionType::get(RetTy, ArgTys, false));
}
// getFunction - Look up the specified function in the module symbol table. // getFunction - Look up the specified function in the module symbol table.
// If it does not exist, return null. // If it does not exist, return null.
// //