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add bitcode alias support

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36461 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-04-26 02:46:40 +00:00
parent d743f0e8f2
commit 07d98b4afb
4 changed files with 81 additions and 17 deletions
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12
lib/Bitcode/Writer/BitcodeWriter.cpp
View File

@ -309,6 +309,18 @@ static void WriteModuleInfo(const Module *M, const ValueEnumerator &VE,
Stream.EmitRecord(bitc::MODULE_CODE_FUNCTION, Vals, AbbrevToUse);
Vals.clear();
}
// Emit the alias information.
for (Module::const_alias_iterator AI = M->alias_begin(), E = M->alias_end();
AI != E; ++AI) {
Vals.push_back(VE.getTypeID(AI->getType()));
Vals.push_back(VE.getValueID(AI->getAliasee()));
Vals.push_back(getEncodedLinkage(AI));
unsigned AbbrevToUse = 0;
Stream.EmitRecord(bitc::MODULE_CODE_ALIAS, Vals, AbbrevToUse);
Vals.clear();
}
}

10
lib/Bitcode/Writer/ValueEnumerator.cpp
View File

@ -28,12 +28,22 @@ ValueEnumerator::ValueEnumerator(const Module *M) {
for (Module::const_iterator I = M->begin(), E = M->end(); I != E; ++I)
EnumerateValue(I);
// Enumerate the aliases.
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I)
EnumerateValue(I);
// Enumerate the global variable initializers.
for (Module::const_global_iterator I = M->global_begin(),
E = M->global_end(); I != E; ++I)
if (I->hasInitializer())
EnumerateValue(I->getInitializer());
// Enumerate the aliasees.
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I)
EnumerateValue(I->getAliasee());
// FIXME: Implement the 'string constant' optimization.
// Enumerate types used by the type symbol table.