From 2c37c18c6e9f5f2b898ac410da5306614a4db5c0 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 9 Feb 2004 03:03:10 +0000
Subject: [PATCH] Upreferences are always OpaqueTypes, meaning that it is
 impossible for a non-abstract type from containing one.  This speeds up the
 asmparser on the testcase in PR224 from 61->50s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11220 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/AsmParser/llvmAsmParser.y | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/AsmParser/llvmAsmParser.y b/lib/AsmParser/llvmAsmParser.y
index 523f95cd44a..f0f027ec248 100644
--- a/lib/AsmParser/llvmAsmParser.y
+++ b/lib/AsmParser/llvmAsmParser.y
@@ -603,6 +603,7 @@ static std::vector<std::pair<unsigned, OpaqueType *> > UpRefs;
 /// thus we can complete the cycle.
 ///
 static PATypeHolder HandleUpRefs(const Type *ty) {
+  if (!ty->isAbstract()) return ty;
   PATypeHolder Ty(ty);
   UR_OUT("Type '" << Ty->getDescription() << 
          "' newly formed.  Resolving upreferences.\n" <<