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