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DAE bug fix. Don't lose parameter attributes on vararg arguments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46113 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -590,15 +590,19 @@ void DAE::RemoveDeadArgumentsFromFunction(Function *F) {
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ParamAttrsVec.push_back(ParamAttrsWithIndex::get(Args.size(), Attrs));
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}
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// Reconstruct the ParamAttrsList based on the vector we constructed.
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PAL = ParamAttrsList::get(ParamAttrsVec);
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if (ExtraArgHack)
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Args.push_back(UndefValue::get(Type::Int32Ty));
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// Push any varargs arguments on the list
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for (; AI != CS.arg_end(); ++AI)
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// Push any varargs arguments on the list. Don't forget their attributes.
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for (; AI != CS.arg_end(); ++AI) {
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Args.push_back(*AI);
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uint16_t Attrs = PAL ? PAL->getParamAttrs(index++) : 0;
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if (Attrs)
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ParamAttrsVec.push_back(ParamAttrsWithIndex::get(Args.size(), Attrs));
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}
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// Reconstruct the ParamAttrsList based on the vector we constructed.
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PAL = ParamAttrsList::get(ParamAttrsVec);
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Instruction *New;
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if (InvokeInst *II = dyn_cast<InvokeInst>(Call)) {
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