+; Test that opaque constants are not creating an infinite DAGCombine loop
+; RUN: llc < %s
+; XFAIL: r600, xcore
+
+@a = common global i32* null, align 8
+@c = common global i32 0, align 4
+@b = common global i32* null, align 8
+
+; Function Attrs: nounwind ssp uwtable
+define void @fn() {
+ store i32* inttoptr (i64 68719476735 to i32*), i32** @a, align 8
+ %1 = load i32* @c, align 4
+ %2 = sext i32 %1 to i64
+ %3 = lshr i64 %2, 12
+ %4 = and i64 %3, 68719476735
+ %5 = getelementptr inbounds i32* null, i64 %4
+ store i32* %5, i32** @b, align 8
+ ret void
+}