diff options
Diffstat (limited to 'test/Transforms/RewriteStatepointsForGC/deopt-bundles/base-pointers-8.ll')
| -rw-r--r-- | test/Transforms/RewriteStatepointsForGC/deopt-bundles/base-pointers-8.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/Transforms/RewriteStatepointsForGC/deopt-bundles/base-pointers-8.ll b/test/Transforms/RewriteStatepointsForGC/deopt-bundles/base-pointers-8.ll new file mode 100644 index 000000000000..628696ba2c2f --- /dev/null +++ b/test/Transforms/RewriteStatepointsForGC/deopt-bundles/base-pointers-8.ll @@ -0,0 +1,37 @@ +; RUN: opt %s -rewrite-statepoints-for-gc -rs4gc-use-deopt-bundles -spp-print-base-pointers -S 2>&1 | FileCheck %s + +; CHECK: derived %next_element_ptr base %array_obj + +define i32 @null_in_array(i64 addrspace(1)* %array_obj) gc "statepoint-example" { +entry: + %array_len_pointer.i64 = getelementptr i64, i64 addrspace(1)* %array_obj, i32 1 + %array_len_pointer.i32 = bitcast i64 addrspace(1)* %array_len_pointer.i64 to i32 addrspace(1)* + %array_len = load i32, i32 addrspace(1)* %array_len_pointer.i32 + %array_elems = bitcast i32 addrspace(1)* %array_len_pointer.i32 to i64 addrspace(1)* addrspace(1)* + br label %loop_check + +loop_check: ; preds = %loop_back, %entry + %index = phi i32 [ 0, %entry ], [ %next_index, %loop_back ] + %current_element_ptr = phi i64 addrspace(1)* addrspace(1)* [ %array_elems, %entry ], [ %next_element_ptr, %loop_back ] + %index_lt = icmp ult i32 %index, %array_len + br i1 %index_lt, label %check_for_null, label %not_found + +check_for_null: ; preds = %loop_check + %current_element = load i64 addrspace(1)*, i64 addrspace(1)* addrspace(1)* %current_element_ptr + %is_null = icmp eq i64 addrspace(1)* %current_element, null + br i1 %is_null, label %found, label %loop_back + +loop_back: ; preds = %check_for_null + %next_element_ptr = getelementptr i64 addrspace(1)*, i64 addrspace(1)* addrspace(1)* %current_element_ptr, i32 1 + %next_index = add i32 %index, 1 + call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ] + br label %loop_check + +not_found: ; preds = %loop_check + ret i32 -1 + +found: ; preds = %check_for_null + ret i32 %index +} + +declare void @do_safepoint() |
