new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21087 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Analysis/Andersens/modreftest.ll b/test/Analysis/Andersens/modreftest.ll
new file mode 100644 (file)
index 0000000..979aa03
--- /dev/null
+++ b/test/Analysis/Andersens/modreftest.ll
@@ -0,0 +1,13 @@
+; RUN: llvm-as < %s | opt -anders-aa -load-vn -gcse -instcombine | llvm-dis | grep 'ret bool true'
+
+%G = internal global int* null
+declare int *%ext()
+bool %bar() {
+  %V1 = load int** %G
+  %X2 = call int *%ext()
+  %V2 = load int** %G
+  store int* %X2, int** %G
+
+  %C = seteq int* %V1, %V2
+  ret bool %C
+}