Make ModRefBehavior a lattice. Use this to clean up AliasAnalysis
chaining and simplify FunctionAttrs' GetModRefBehavior logic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118660 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Transforms/FunctionAttrs/2008-09-03-ReadOnly.ll b/test/Transforms/FunctionAttrs/2008-09-03-ReadOnly.ll
index b455fdd..22eca13 100644
--- a/test/Transforms/FunctionAttrs/2008-09-03-ReadOnly.ll
+++ b/test/Transforms/FunctionAttrs/2008-09-03-ReadOnly.ll
@@ -1,4 +1,4 @@
-; RUN: opt < %s -functionattrs -S | grep readonly | count 2
+; RUN: opt < %s -basicaa -functionattrs -S | grep readonly | count 2
 
 define i32 @f() {
 entry: