Add a new test for basicaa
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5625 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Analysis/BasicAA/featuretest.ll b/test/Analysis/BasicAA/featuretest.ll
index 6884df2..cd57ef1 100644
--- a/test/Analysis/BasicAA/featuretest.ll
+++ b/test/Analysis/BasicAA/featuretest.ll
@@ -51,3 +51,14 @@
ret int %r
}
+; Test that if two pointers are spaced out by a constant offset, that they
+; cannot alias, even if there is a variable offset between them...
+int %gep_distance_test2({int,int}* %A, long %distance) {
+ %A = getelementptr {int,int}* %A, long 0, ubyte 0
+ %REMOVEu = load int* %A
+ %B = getelementptr {int,int}* %A, long %distance, ubyte 1
+ store int 7, int* %B ; B cannot alias A, it's at least 4 bytes away
+ %REMOVEv = load int* %A
+ %r = sub int %REMOVEu, %REMOVEv
+ ret int %r
+}