Simplify LLParser::ParseOptionalLinkage. NFC.
llvm-svn: 269080
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index a8f44e9..556a2de 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -1530,6 +1530,37 @@
}
}
+static unsigned parseOptionalLinkageAux(lltok::Kind Kind, bool &HasLinkage) {
+ HasLinkage = true;
+ switch (Kind) {
+ default:
+ HasLinkage = false;
+ return GlobalValue::ExternalLinkage;
+ case lltok::kw_private:
+ return GlobalValue::PrivateLinkage;
+ case lltok::kw_internal:
+ return GlobalValue::InternalLinkage;
+ case lltok::kw_weak:
+ return GlobalValue::WeakAnyLinkage;
+ case lltok::kw_weak_odr:
+ return GlobalValue::WeakODRLinkage;
+ case lltok::kw_linkonce:
+ return GlobalValue::LinkOnceAnyLinkage;
+ case lltok::kw_linkonce_odr:
+ return GlobalValue::LinkOnceODRLinkage;
+ case lltok::kw_available_externally:
+ return GlobalValue::AvailableExternallyLinkage;
+ case lltok::kw_appending:
+ return GlobalValue::AppendingLinkage;
+ case lltok::kw_common:
+ return GlobalValue::CommonLinkage;
+ case lltok::kw_extern_weak:
+ return GlobalValue::ExternalWeakLinkage;
+ case lltok::kw_external:
+ return GlobalValue::ExternalLinkage;
+ }
+}
+
/// ParseOptionalLinkage
/// ::= /*empty*/
/// ::= 'private'
@@ -1544,25 +1575,9 @@
/// ::= 'extern_weak'
/// ::= 'external'
bool LLParser::ParseOptionalLinkage(unsigned &Res, bool &HasLinkage) {
- HasLinkage = false;
- switch (Lex.getKind()) {
- default: Res=GlobalValue::ExternalLinkage; return false;
- case lltok::kw_private: Res = GlobalValue::PrivateLinkage; break;
- case lltok::kw_internal: Res = GlobalValue::InternalLinkage; break;
- case lltok::kw_weak: Res = GlobalValue::WeakAnyLinkage; break;
- case lltok::kw_weak_odr: Res = GlobalValue::WeakODRLinkage; break;
- case lltok::kw_linkonce: Res = GlobalValue::LinkOnceAnyLinkage; break;
- case lltok::kw_linkonce_odr: Res = GlobalValue::LinkOnceODRLinkage; break;
- case lltok::kw_available_externally:
- Res = GlobalValue::AvailableExternallyLinkage;
- break;
- case lltok::kw_appending: Res = GlobalValue::AppendingLinkage; break;
- case lltok::kw_common: Res = GlobalValue::CommonLinkage; break;
- case lltok::kw_extern_weak: Res = GlobalValue::ExternalWeakLinkage; break;
- case lltok::kw_external: Res = GlobalValue::ExternalLinkage; break;
- }
- Lex.Lex();
- HasLinkage = true;
+ Res = parseOptionalLinkageAux(Lex.getKind(), HasLinkage);
+ if (HasLinkage)
+ Lex.Lex();
return false;
}