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Implement aliases. This fixes PR1017 and it's dependent bugs. CFE part

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will follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Anton Korobeynikov
2007-04-25 14:27:10 +00:00
parent 24a3cc4c83
commit 8b0a8c84da
22 changed files with 552 additions and 52 deletions
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27
lib/Bytecode/Writer/Writer.cpp
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@@ -1088,9 +1088,34 @@ void BytecodeWriter::outputModuleInfoBlock(const Module *M) {
output_vbr((unsigned)SectionNames.size());
for (unsigned i = 0, e = SectionNames.size(); i != e; ++i)
output(SectionNames[i]);
// Output the inline asm string.
output(M->getModuleInlineAsm());
// Output aliases
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I) {
unsigned Slot = Table.getTypeSlot(I->getType());
assert(((Slot << 2) >> 2) == Slot && "Slot # too big!");
unsigned aliasLinkage = 0;
switch (I->getLinkage()) {
case GlobalValue::ExternalLinkage:
aliasLinkage = 0;
break;
case GlobalValue::InternalLinkage:
aliasLinkage = 1;
break;
case GlobalValue::WeakLinkage:
aliasLinkage = 2;
break;
default:
assert(0 && "Invalid alias linkage");
}
output_vbr((Slot << 2) | aliasLinkage);
output_vbr(Table.getTypeSlot(I->getAliasee()->getType()));
output_vbr(Table.getSlot(I->getAliasee()));
}
output_typeid(Table.getTypeSlot(Type::VoidTy));
}
void BytecodeWriter::outputInstructions(const Function *F) {