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* Make global variables with external linkage get emitted correctly

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* Do NOT add a prefix to global variables that are external
* Add newline after emitting a constpointerref


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2925 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-07-16 18:35:16 +00:00
parent a66c7bfa51
commit 8b1b4e20a9
1 changed files with 14 additions and 13 deletions
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27
lib/Target/SparcV9/SparcV9AsmPrinter.cpp
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@ -87,12 +87,10 @@ public:
void endModule() {
}
// Check if a name is external or accessible from external code.
// Only functions can currently be external. "main" is the only name
// that is visible externally.
// Check if a value is external or accessible from external code.
bool isExternal(const Value* V) {
const Function *F = dyn_cast<Function>(V);
return F && (F->isExternal() || F->getName() == "main");
const GlobalValue *GV = dyn_cast<GlobalValue>(V);
return GV && GV->hasExternalLinkage();
}
// enterSection - Use this method to enter a different section of the output
@ -148,7 +146,7 @@ public:
string getID(const Value *V, const char *Prefix, const char *FPrefix = 0) {
string Result = FPrefix ? FPrefix : ""; // "Forced prefix"
Result = Result + (V->hasName()? V->getName() : string(Prefix));
Result += V->hasName() ? V->getName() : string(Prefix);
// Qualify all internal names with a unique id.
if (!isExternal(V)) {
@ -174,11 +172,19 @@ public:
return getID(BB, "LL", (".L_"+getID(BB->getParent())+"_").c_str());
}
string getID(const GlobalVariable *GV) {
return getID(GV, "LLVMGlobal_", ".G_");
return getID(GV, "LLVMGlobal_");
}
string getID(const Constant *CV) {
return getID(CV, "LLVMConst_", ".C_");
}
string getID(const GlobalValue *GV) {
if (const GlobalVariable *V = dyn_cast<GlobalVariable>(GV))
return getID(V);
else if (const Function *F = dyn_cast<Function>(GV))
return getID(F);
assert(0 && "Unexpected type of GlobalValue!");
return "";
}
};
@ -661,12 +667,7 @@ SparcModuleAsmPrinter::printSingleConstant(const Constant* CV)
else if (const ConstantPointerRef* CPR = dyn_cast<ConstantPointerRef>(CV))
{ // This is a constant address for a global variable or method.
// Use the name of the variable or method as the address value.
if (const GlobalVariable* GV = dyn_cast<GlobalVariable>(CPR->getValue()))
toAsm << getID(GV);
else if (const Function* F = dyn_cast<Function>(CPR->getValue()))
toAsm << getID(F);
else
assert(0 && "Unexpected constant reference type");
toAsm << getID(CPR->getValue()) << "\n";
}
else if (const ConstantPointer* CPP = dyn_cast<ConstantPointer>(CV))
{