1 ; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
2 ; RUN: opt < %s -passes=rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s
4 ; CHECK: derived %next_element_ptr base %array_obj
6 define i32 @null_in_array(i64 addrspace(1)* %array_obj) gc "statepoint-example" {
8 %array_len_pointer.i64 = getelementptr i64, i64 addrspace(1)* %array_obj, i32 1
9 %array_len_pointer.i32 = bitcast i64 addrspace(1)* %array_len_pointer.i64 to i32 addrspace(1)*
10 %array_len = load i32, i32 addrspace(1)* %array_len_pointer.i32
11 %array_elems = bitcast i32 addrspace(1)* %array_len_pointer.i32 to i64 addrspace(1)* addrspace(1)*
14 loop_check: ; preds = %loop_back, %entry
15 %index = phi i32 [ 0, %entry ], [ %next_index, %loop_back ]
16 %current_element_ptr = phi i64 addrspace(1)* addrspace(1)* [ %array_elems, %entry ], [ %next_element_ptr, %loop_back ]
17 %index_lt = icmp ult i32 %index, %array_len
18 br i1 %index_lt, label %check_for_null, label %not_found
20 check_for_null: ; preds = %loop_check
21 %current_element = load i64 addrspace(1)*, i64 addrspace(1)* addrspace(1)* %current_element_ptr
22 %is_null = icmp eq i64 addrspace(1)* %current_element, null
23 br i1 %is_null, label %found, label %loop_back
25 loop_back: ; preds = %check_for_null
26 %next_element_ptr = getelementptr i64 addrspace(1)*, i64 addrspace(1)* addrspace(1)* %current_element_ptr, i32 1
27 %next_index = add i32 %index, 1
28 call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
31 not_found: ; preds = %loop_check
34 found: ; preds = %check_for_null
38 declare void @do_safepoint()