| ; RUN: opt < %s -instcombine | |
| ; PR3381 | |
| target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128" | |
| target triple = "x86_64-unknown-linux-gnu" | |
| %struct.atomic_t = type { i32 } | |
| %struct.inode = type { i32, %struct.mutex } | |
| %struct.list_head = type { %struct.list_head*, %struct.list_head* } | |
| %struct.lock_class_key = type { } | |
| %struct.mutex = type { %struct.atomic_t, %struct.rwlock_t, %struct.list_head } | |
| %struct.rwlock_t = type { %struct.lock_class_key } | |
| define void @handle_event(%struct.inode* %bar) nounwind { | |
| entry: | |
| %0 = getelementptr %struct.inode, %struct.inode* %bar, i64 -1, i32 1, i32 1 ; <%struct.rwlock_t*> [#uses=1] | |
| %1 = bitcast %struct.rwlock_t* %0 to i32* ; <i32*> [#uses=1] | |
| store i32 1, i32* %1, align 4 | |
| ret void | |
| } |