TBAA: remove !tbaa from testing cases if not used.

This will make it easier to turn on struct-path aware TBAA since the metadata
format will change.

llvm-svn: 180796
diff --git a/llvm/test/Transforms/LoopVectorize/calloc.ll b/llvm/test/Transforms/LoopVectorize/calloc.ll
index 08c84ef..7e79916 100644
--- a/llvm/test/Transforms/LoopVectorize/calloc.ll
+++ b/llvm/test/Transforms/LoopVectorize/calloc.ll
@@ -23,7 +23,7 @@
   %i.030 = phi i64 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
   %shr = lshr i64 %i.030, 1
   %arrayidx = getelementptr inbounds i8* %bytes, i64 %shr
-  %1 = load i8* %arrayidx, align 1, !tbaa !0
+  %1 = load i8* %arrayidx, align 1
   %conv = zext i8 %1 to i32
   %and = shl i64 %i.030, 2
   %neg = and i64 %and, 4
@@ -38,7 +38,7 @@
   %add17 = add nsw i32 %cond, %shr11
   %conv18 = trunc i32 %add17 to i8
   %arrayidx19 = getelementptr inbounds i8* %call, i64 %i.030
-  store i8 %conv18, i8* %arrayidx19, align 1, !tbaa !0
+  store i8 %conv18, i8* %arrayidx19, align 1
   %inc = add i64 %i.030, 1
   %exitcond = icmp eq i64 %inc, %0
   br i1 %exitcond, label %for.end, label %for.body
@@ -48,6 +48,3 @@
 }
 
 declare noalias i8* @calloc(i64, i64) nounwind
-
-!0 = metadata !{metadata !"omnipotent char", metadata !1}
-!1 = metadata !{metadata !"Simple C/C++ TBAA"}