1 ; RUN: opt < %s -instcombine -S | grep icmp 2 ; PR1646 3 4 @__gthrw_pthread_cancel = alias weak i32 (i32)* @pthread_cancel ; <i32 (i32)*> [#uses=1] 5 @__gthread_active_ptr.5335 = internal constant i8* bitcast (i32 (i32)* @__gthrw_pthread_cancel to i8*) ; <i8**> [#uses=1] 6 define weak i32 @pthread_cancel(i32) { 7 ret i32 0 8 } 9 10 define i1 @__gthread_active_p() { 11 entry: 12 %tmp1 = load i8** @__gthread_active_ptr.5335, align 4 ; <i8*> [#uses=1] 13 %tmp2 = icmp ne i8* %tmp1, null ; <i1> [#uses=1] 14 ret i1 %tmp2 15 } 16
