1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt < %s -rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
3; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
4
5declare void @site_for_call_safpeoint()
6
7; derived %merged_value base %merged_value.base
8define i64 addrspace(1)* @test(i64 addrspace(1)* %base_obj_x, i64 addrspace(1)* %base_obj_y, i1 %runtime_condition_x, i1 %runtime_condition_y) gc "statepoint-example" {
9; CHECK-LABEL: @test(
10; CHECK-NEXT:  entry:
11; CHECK-NEXT:    br i1 [[RUNTIME_CONDITION_X:%.*]], label [[HERE:%.*]], label [[THERE:%.*]]
12; CHECK:       here:
13; CHECK-NEXT:    br i1 [[RUNTIME_CONDITION_Y:%.*]], label [[BUMP_HERE_A:%.*]], label [[BUMP_HERE_B:%.*]]
14; CHECK:       bump_here_a:
15; CHECK-NEXT:    [[X_A:%.*]] = getelementptr i64, i64 addrspace(1)* [[BASE_OBJ_X:%.*]], i32 1
16; CHECK-NEXT:    br label [[MERGE_HERE:%.*]]
17; CHECK:       bump_here_b:
18; CHECK-NEXT:    [[X_B:%.*]] = getelementptr i64, i64 addrspace(1)* [[BASE_OBJ_Y:%.*]], i32 2
19; CHECK-NEXT:    br label [[MERGE_HERE]]
20; CHECK:       merge_here:
21; CHECK-NEXT:    [[X_BASE:%.*]] = phi i64 addrspace(1)* [ [[BASE_OBJ_X]], [[BUMP_HERE_A]] ], [ [[BASE_OBJ_Y]], [[BUMP_HERE_B]] ], !is_base_value !0
22; CHECK-NEXT:    [[X:%.*]] = phi i64 addrspace(1)* [ [[X_A]], [[BUMP_HERE_A]] ], [ [[X_B]], [[BUMP_HERE_B]] ]
23; CHECK-NEXT:    br label [[MERGE:%.*]]
24; CHECK:       there:
25; CHECK-NEXT:    [[Y:%.*]] = getelementptr i64, i64 addrspace(1)* [[BASE_OBJ_Y]], i32 1
26; CHECK-NEXT:    br label [[MERGE]]
27; CHECK:       merge:
28; CHECK-NEXT:    [[MERGED_VALUE_BASE:%.*]] = phi i64 addrspace(1)* [ [[X_BASE]], [[MERGE_HERE]] ], [ [[BASE_OBJ_Y]], [[THERE]] ], !is_base_value !0
29; CHECK-NEXT:    [[MERGED_VALUE:%.*]] = phi i64 addrspace(1)* [ [[X]], [[MERGE_HERE]] ], [ [[Y]], [[THERE]] ]
30; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @site_for_call_safpeoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(i64 addrspace(1)* [[MERGED_VALUE]], i64 addrspace(1)* [[MERGED_VALUE_BASE]]) ]
31; CHECK-NEXT:    [[MERGED_VALUE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
32; CHECK-NEXT:    [[MERGED_VALUE_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[MERGED_VALUE_RELOCATED]] to i64 addrspace(1)*
33; CHECK-NEXT:    [[MERGED_VALUE_BASE_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
34; CHECK-NEXT:    [[MERGED_VALUE_BASE_RELOCATED_CASTED:%.*]] = bitcast i8 addrspace(1)* [[MERGED_VALUE_BASE_RELOCATED]] to i64 addrspace(1)*
35; CHECK-NEXT:    ret i64 addrspace(1)* [[MERGED_VALUE_RELOCATED_CASTED]]
36;
37entry:
38  br i1 %runtime_condition_x, label %here, label %there
39
40here:                                             ; preds = %entry
41  br i1 %runtime_condition_y, label %bump_here_a, label %bump_here_b
42
43bump_here_a:                                      ; preds = %here
44  %x_a = getelementptr i64, i64 addrspace(1)* %base_obj_x, i32 1
45  br label %merge_here
46
47bump_here_b:                                      ; preds = %here
48  %x_b = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 2
49  br label %merge_here
50
51merge_here:                                       ; preds = %bump_here_b, %bump_here_a
52  %x = phi i64 addrspace(1)* [ %x_a, %bump_here_a ], [ %x_b, %bump_here_b ]
53  br label %merge
54
55there:                                            ; preds = %entry
56  %y = getelementptr i64, i64 addrspace(1)* %base_obj_y, i32 1
57  br label %merge
58
59merge:                                            ; preds = %there, %merge_here
60  %merged_value = phi i64 addrspace(1)* [ %x, %merge_here ], [ %y, %there ]
61  call void @site_for_call_safpeoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
62  ret i64 addrspace(1)* %merged_value
63}
64