1 files changed, 15 insertions, 0 deletions
diff --git a/test/Analysis/BasicAA/2010-09-15-GEP-SignedArithmetic.ll b/test/Analysis/BasicAA/2010-09-15-GEP-SignedArithmetic.ll
new file mode 100644
index 000000000000..2b0cd78fece3
--- /dev/null
+++ b/test/Analysis/BasicAA/2010-09-15-GEP-SignedArithmetic.ll
@@ -0,0 +1,15 @@
+; RUN: opt < %s -basicaa -aa-eval -print-all-alias-modref-info -disable-output |& grep {1 may alias}
+; PR7959
+
+target datalayout = "e-p:32:32:32"
+
+define i32 @test(i32* %tab, i32 %indvar) nounwind {
+  %tmp31 = mul i32 %indvar, -2
+  %tmp32 = add i32 %tmp31, 30
+  %t.5 = getelementptr i32* %tab, i32 %tmp32
+  %loada = load i32* %tab
+  store i32 0, i32* %t.5
+  %loadb = load i32* %tab
+  %rval = add i32 %loada, %loadb
+  ret i32 %rval
+}