On Apr 25, 2007, at 7:28 AM, Anton Korobeynikov wrote:
> +void GlobalAlias::setAliasee(const GlobalValue *GV)
> +{
> + // FIXME: Some checks?
> + Aliasee = GV;
> +}
> +
This should assert that GV type matches the alias type.
> @@ -277,7 +282,9 @@
> Assert1(!GV.isDeclaration() ||
> GV.hasExternalLinkage() ||
> GV.hasDLLImportLinkage() ||
> - GV.hasExternalWeakLinkage(),
> + GV.hasExternalWeakLinkage() ||
> + (isa<GlobalAlias>(GV) &&
> + (GV.hasInternalLinkage() || GV.hasWeakLinkage())),
> "Global is external, but doesn't have external or dllimport or
> weak linkage!",
> &GV);
Hopefully we can eliminate internal aliases...
>
> @@ -303,6 +310,16 @@
> visitGlobalValue(GV);
> }
>
> +void Verifier::visitGlobalAlias(GlobalAlias &GA) {
> + Assert1(!GA.getName().empty(),
> + "Alias name cannot be empty!", &GA);
> + Assert1(GA.hasExternalLinkage() || GA.hasInternalLinkage() ||
> + GA.hasWeakLinkage(),
> + "Alias should have external or external weak linkage!",
> &GA);
This should check that the alias and aliasee have the same type.
-Chris
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