1 ; RUN: opt < %s -instcombine 2 ; PR3381 3 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" 4 target triple = "x86_64-unknown-linux-gnu" 5 %struct.atomic_t = type { i32 } 6 %struct.inode = type { i32, %struct.mutex } 7 %struct.list_head = type { %struct.list_head*, %struct.list_head* } 8 %struct.lock_class_key = type { } 9 %struct.mutex = type { %struct.atomic_t, %struct.rwlock_t, %struct.list_head } 10 %struct.rwlock_t = type { %struct.lock_class_key } 11 12 define void @handle_event(%struct.inode* %bar) nounwind { 13 entry: 14 %0 = getelementptr %struct.inode* %bar, i64 -1, i32 1, i32 1 ; <%struct.rwlock_t*> [#uses=1] 15 %1 = bitcast %struct.rwlock_t* %0 to i32* ; <i32*> [#uses=1] 16 store i32 1, i32* %1, align 4 17 ret void 18 } 19
