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Implement support for internal methods

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llvm-svn: 1380
This commit is contained in:
Chris Lattner 2001-11-26 18:59:18 +00:00
parent 4d2046a71e
commit dce8511222
1 changed files with 11 additions and 5 deletions
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16
lib/Transforms/Utils/Linker.cpp
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@ -156,7 +156,9 @@ static bool LinkGlobals(Module *Dest, const Module *Src,
// If the global variable has a name, and that name is already in use in the
// Dest module, make sure that the name is a compatible global variable...
//
if (SGV->hasName() && (V = ST->lookup(SGV->getType(), SGV->getName()))) {
if (SGV->hasExternalLinkage() && SGV->hasName() &&
(V = ST->lookup(SGV->getType(), SGV->getName())) &&
cast<GlobalVariable>(V)->hasExternalLinkage()) {
// The same named thing is a global variable, because the only two things
// that may be in a module level symbol table are Global Vars and Methods,
// and they both have distinct, nonoverlapping, possible types.
@ -178,7 +180,7 @@ static bool LinkGlobals(Module *Dest, const Module *Src,
//
GlobalVariable *DGV =
new GlobalVariable(SGV->getType()->getValueType(), SGV->isConstant(),
0, SGV->getName());
SGV->hasInternalLinkage(), 0, SGV->getName());
// Add the new global to the dest module
Dest->getGlobalList().push_back(DGV);
@ -209,7 +211,8 @@ static bool LinkGlobalInits(Module *Dest, const Module *Src,
cast<ConstPoolVal>(RemapOperand(SGV->getInitializer(), ValueMap));
GlobalVariable *DGV = cast<GlobalVariable>(ValueMap[SGV]);
if (DGV->hasInitializer()) {
if (DGV->hasInitializer() && SGV->hasExternalLinkage() &&
DGV->hasExternalLinkage()) {
if (DGV->getInitializer() != DInit)
return Error(Err, "Global Variable Collision on '" +
SGV->getType()->getDescription() + "':%" +SGV->getName()+
@ -243,7 +246,9 @@ static bool LinkMethodProtos(Module *Dest, const Module *Src,
// If the method has a name, and that name is already in use in the
// Dest module, make sure that the name is a compatible method...
//
if (SM->hasName() && (V = ST->lookup(SM->getType(), SM->getName()))) {
if (SM->hasExternalLinkage() && SM->hasName() &&
(V = ST->lookup(SM->getType(), SM->getName())) &&
cast<Method>(V)->hasExternalLinkage()) {
// The same named thing is a Method, because the only two things
// that may be in a module level symbol table are Global Vars and Methods,
// and they both have distinct, nonoverlapping, possible types.
@ -261,7 +266,8 @@ static bool LinkMethodProtos(Module *Dest, const Module *Src,
} else {
// Method does not already exist, simply insert an external method
// signature identical to SM into the dest module...
Method *DM = new Method(SM->getMethodType(), SM->getName());
Method *DM = new Method(SM->getMethodType(), SM->hasInternalLinkage(),
SM->getName());
// Add the method signature to the dest module...
Dest->getMethodList().push_back(DM);