Avoid calling alias on non-pointer values.
authorDan Gohman <gohman@apple.com>
Thu, 11 Nov 2010 19:23:51 +0000 (19:23 +0000)
committerDan Gohman <gohman@apple.com>
Thu, 11 Nov 2010 19:23:51 +0000 (19:23 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118822 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/Lint.cpp

index b27ca47142f160579ad0e30940e21cd3cbb3ee7c..4318a30fa6c0dc679c587cbebb1b7a06f13821b2 100644 (file)
@@ -231,10 +231,11 @@ void Lint::visitCallSite(CallSite CS) {
         // to do. Known partial overlap is not distinguished from the case
         // where nothing is known.
         if (Formal->hasNoAliasAttr() && Actual->getType()->isPointerTy())
-          for (CallSite::arg_iterator BI = CS.arg_begin(); BI != AE; ++BI) {
-            Assert1(AI == BI || AA->alias(*AI, *BI) != AliasAnalysis::MustAlias,
+          for (CallSite::arg_iterator BI = CS.arg_begin(); BI != AE; ++BI)
+            Assert1(AI == BI ||
+                    !(*BI)->getType()->isPointerTy() ||
+                    AA->alias(*AI, *BI) != AliasAnalysis::MustAlias,
                     "Unusual: noalias argument aliases another argument", &I);
-          }
 
         // Check that an sret argument points to valid memory.
         if (Formal->hasStructRetAttr() && Actual->getType()->isPointerTy()) {