Add a simple test to make sure getModRefInfo is 1/2 way sane.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31842 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Analysis/BasicAA/modref.ll b/test/Analysis/BasicAA/modref.ll
new file mode 100644 (file)
index 0000000..aaf0b03
--- /dev/null
+++ b/test/Analysis/BasicAA/modref.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | opt -print-all-alias-modref-info -aa-eval -disable-output 2>&1 | not grep NoModRef
+
+int %callee() {
+  %X = alloca struct { int, int }
+  %Y = int* getelementptr struct { int, int }*, uint 1
+  %Z = int load struct { int, int }*
+  ret %Z
+}
+
+int %caller() {
+  %X = int callee();
+}