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Handle more cases in the linker

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1771 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-02-18 19:05:15 +00:00
parent 6374a52253
commit e0f2753bb8
1 changed files with 21 additions and 5 deletions
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26
lib/Transforms/IPO/DeadTypeElimination.cpp
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@ -130,8 +130,7 @@ bool CleanupGCCOutput::PatchUpMethodReferences(Module *M) {
}
}
if (Methods[i] && (!Methods[i]->getMethodType()->isVarArg() ||
Methods[i]->getMethodType()->getParamTypes().size())) {
if (Methods[i] && (!Methods[i]->getMethodType()->isVarArg())) {
if (Concrete) { // Found two different methods types. Can't choose
Concrete = 0;
break;
@ -158,11 +157,28 @@ bool CleanupGCCOutput::PatchUpMethodReferences(Module *M) {
for (unsigned i = 0; i < Methods.size(); ++i)
if (Methods[i] != Concrete) {
Method *Old = Methods[i];
const MethodType *OldMT = Old->getMethodType();
const MethodType *ConcreteMT = Concrete->getMethodType();
bool Broken = false;
assert(Old->getReturnType() == Concrete->getReturnType() &&
"Differing return types not handled yet!");
assert(Old->getMethodType()->getParamTypes().size() == 0 &&
"Cannot handle varargs fn's with specified element types!");
assert(OldMT->getParamTypes().size() <=
ConcreteMT->getParamTypes().size() &&
"Concrete type must have more specified parameters!");
// Check to make sure that if there are specified types, that they
// match...
//
for (unsigned i = 0; i < OldMT->getParamTypes().size(); ++i)
if (OldMT->getParamTypes()[i] != ConcreteMT->getParamTypes()[i]) {
cerr << "Parameter types conflict for" << OldMT
<< " and " << ConcreteMT;
Broken = true;
}
if (Broken) break; // Can't process this one!
// Attempt to convert all of the uses of the old method to the
// concrete form of the method. If there is a use of the method
// that we don't understand here we punt to avoid making a bad