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
5
6declare void @do_safepoint()
7
8; derived %next base %base_obj
9define void @test(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
10; CHECK-LABEL: @test(
11; CHECK-NEXT:  entry:
12; CHECK-NEXT:    [[OBJ:%.*]] = getelementptr i64, i64 addrspace(1)* [[BASE_OBJ:%.*]], i32 1
13; CHECK-NEXT:    br label [[LOOP:%.*]]
14; CHECK:       loop:
15; CHECK-NEXT:    [[DOT0:%.*]] = phi i64 addrspace(1)* [ [[BASE_OBJ]], [[ENTRY:%.*]] ], [ [[BASE_OBJ_RELOCATED_CASTED:%.*]], [[LOOP]] ]
16; CHECK-NEXT:    [[CURRENT:%.*]] = phi i64 addrspace(1)* [ [[OBJ]], [[ENTRY]] ], [ [[NEXT_RELOCATED_CASTED:%.*]], [[LOOP]] ]
17; CHECK-NEXT:    [[NEXT:%.*]] = getelementptr i64, i64 addrspace(1)* [[CURRENT]], i32 1
18; CHECK-NEXT:    [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* elementtype(void ()) @do_safepoint, i32 0, i32 0, i32 0, i32 0) [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0), "gc-live"(i64 addrspace(1)* [[NEXT]], i64 addrspace(1)* [[DOT0]]) ]
19; CHECK-NEXT:    [[NEXT_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
20; CHECK-NEXT:    [[NEXT_RELOCATED_CASTED]] = bitcast i8 addrspace(1)* [[NEXT_RELOCATED]] to i64 addrspace(1)*
21; CHECK-NEXT:    [[BASE_OBJ_RELOCATED:%.*]] = call coldcc i8 addrspace(1)* @llvm.experimental.gc.relocate.p1i8(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
22; CHECK-NEXT:    [[BASE_OBJ_RELOCATED_CASTED]] = bitcast i8 addrspace(1)* [[BASE_OBJ_RELOCATED]] to i64 addrspace(1)*
23; CHECK-NEXT:    br label [[LOOP]]
24;
25entry:
26  %obj = getelementptr i64, i64 addrspace(1)* %base_obj, i32 1
27  br label %loop
28
29loop:                                             ; preds = %loop, %entry
30  %current = phi i64 addrspace(1)* [ %obj, %entry ], [ %next, %loop ]
31  %next = getelementptr i64, i64 addrspace(1)* %current, i32 1
32  call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
33  br label %loop
34}
35