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Handle more cases in the linker
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1771 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -130,8 +130,7 @@ bool CleanupGCCOutput::PatchUpMethodReferences(Module *M) {
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}
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}
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if (Methods[i] && (!Methods[i]->getMethodType()->isVarArg() ||
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Methods[i]->getMethodType()->getParamTypes().size())) {
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if (Methods[i] && (!Methods[i]->getMethodType()->isVarArg())) {
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if (Concrete) { // Found two different methods types. Can't choose
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Concrete = 0;
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break;
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@ -158,10 +157,27 @@ bool CleanupGCCOutput::PatchUpMethodReferences(Module *M) {
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for (unsigned i = 0; i < Methods.size(); ++i)
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if (Methods[i] != Concrete) {
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Method *Old = Methods[i];
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const MethodType *OldMT = Old->getMethodType();
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const MethodType *ConcreteMT = Concrete->getMethodType();
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bool Broken = false;
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assert(Old->getReturnType() == Concrete->getReturnType() &&
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"Differing return types not handled yet!");
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assert(Old->getMethodType()->getParamTypes().size() == 0 &&
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"Cannot handle varargs fn's with specified element types!");
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assert(OldMT->getParamTypes().size() <=
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ConcreteMT->getParamTypes().size() &&
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"Concrete type must have more specified parameters!");
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// Check to make sure that if there are specified types, that they
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// match...
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//
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for (unsigned i = 0; i < OldMT->getParamTypes().size(); ++i)
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if (OldMT->getParamTypes()[i] != ConcreteMT->getParamTypes()[i]) {
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cerr << "Parameter types conflict for" << OldMT
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<< " and " << ConcreteMT;
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Broken = true;
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}
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if (Broken) break; // Can't process this one!
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// Attempt to convert all of the uses of the old method to the
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// concrete form of the method. If there is a use of the method
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