1; Test that opaque constants are not creating an infinite DAGCombine loop 2; RUN: llc < %s 3; XFAIL: target=r600{{.*}} 4 5@a = common global ptr null, align 8 6@c = common global i32 0, align 4 7@b = common global ptr null, align 8 8 9; Function Attrs: nounwind ssp uwtable 10define void @fn() { 11 store ptr inttoptr (i64 68719476735 to ptr), ptr @a, align 8 12 %1 = load i32, ptr @c, align 4 13 %2 = sext i32 %1 to i64 14 %3 = lshr i64 %2, 12 15 %4 = and i64 %3, 68719476735 16 %5 = getelementptr inbounds i32, ptr null, i64 %4 17 store ptr %5, ptr @b, align 8 18 ret void 19} 20