Add testcase for prev. commit. Minor fixes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48686 91177308-0d34-0410-b5e6-96231b3b80d8
val00274 · Mar 22, 2008 · ef30c1d · ef30c1d
1 parent 726d45c
commit ef30c1d
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Showing 2 changed files with 8 additions and 2 deletions.
diff --git a/lib/VMCore/Verifier.cpp b/lib/VMCore/Verifier.cpp
@@ -378,10 +378,10 @@ void Verifier::visitGlobalAlias(GlobalAlias &GA) {
             &GA);
   }
 
+  const GlobalValue* Aliasee = GA.resolveAliasedGlobal();
   const GlobalValue* Aliasee = GA.resolveAliasedGlobal();
   Assert1(Aliasee,
-          "Aliasing chain should end with global function or global variable",
-          &GA);
+          "Aliasing chain should end with function or global variable", &GA);
 
   visitGlobalValue(GA);
 }

diff --git a/test/Verifier/aliasing-chain.ll b/test/Verifier/aliasing-chain.ll
@@ -0,0 +1,6 @@
+; RUN:  not llvm-as -f %s -o /dev/null |& grep {Aliasing chain should end with function or global variable}
+
+; Test that alising chain does not create a cycle
+
+@b1 = alias i32* @c1
+@c1 = alias i32* @b1