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Fix bug: Assembler/2002-12-15-GlobalResolve.ll

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5039 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-12-15 16:41:52 +00:00
parent 49f20c45ff
commit 197ff79a8c
1 changed files with 16 additions and 11 deletions
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27
lib/VMCore/SymbolTable.cpp
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@ -229,17 +229,18 @@ void SymbolTable::refineAbstractType(const DerivedType *OldType,
// No action
} else if (TI != NewPlane.end()) {
// The only thing we are allowing for now is two method prototypes being
// The only thing we are allowing for now is two external global values
// folded into one.
//
Function *ExistM = dyn_cast<Function>(TI->second);
Function *NewM = dyn_cast<Function>(V.second);
GlobalValue *ExistGV = dyn_cast<GlobalValue>(TI->second);
GlobalValue *NewGV = dyn_cast<GlobalValue>(V.second);
if (ExistM && NewM && ExistM->isExternal() && NewM->isExternal()) {
// Ok we have two external methods. Make all uses of the new one
// use the old one...
if (ExistGV && NewGV && ExistGV->isExternal() && NewGV->isExternal()) {
// Ok we have two external global values. Make all uses of the new
// one use the old one...
//
NewM->replaceAllUsesWith(ExistM);
assert(ExistGV->use_empty() && "No uses allowed on untyped value!");
//NewGV->replaceAllUsesWith(ExistGV);
// Now we just convert it to an unnamed method... which won't get
// added to our symbol table. The problem is that if we call
@ -254,12 +255,16 @@ void SymbolTable::refineAbstractType(const DerivedType *OldType,
InternallyInconsistent = true;
// Remove newM from the symtab
NewM->setName("");
NewGV->setName("");
InternallyInconsistent = false;
// Now we can remove this method from the module entirely...
NewM->getParent()->getFunctionList().remove(NewM);
delete NewM;
// Now we can remove this global from the module entirely...
Module *M = NewGV->getParent();
if (Function *F = dyn_cast<Function>(NewGV))
M->getFunctionList().remove(F);
else
M->getGlobalList().remove(cast<GlobalVariable>(NewGV));
delete NewGV;
} else {
assert(0 && "Two planes folded together with overlapping "