1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=rewrite-statepoints-for-gc -S 2>&1 | FileCheck %s
declare void @do_safepoint()
; derived %next base %base_obj
define void @test(ptr addrspace(1) %base_obj) gc "statepoint-example" {
; CHECK-LABEL: @test(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[OBJ:%.*]] = getelementptr i64, ptr addrspace(1) [[BASE_OBJ:%.*]], i32 1
; CHECK-NEXT: br label [[LOOP:%.*]]
; CHECK: loop:
; CHECK-NEXT: [[DOT0:%.*]] = phi ptr addrspace(1) [ [[BASE_OBJ]], [[ENTRY:%.*]] ], [ [[BASE_OBJ_RELOCATED_CASTED:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[CURRENT:%.*]] = phi ptr addrspace(1) [ [[OBJ]], [[ENTRY]] ], [ [[NEXT_RELOCATED_CASTED:%.*]], [[LOOP]] ]
; CHECK-NEXT: [[NEXT:%.*]] = getelementptr i64, ptr addrspace(1) [[CURRENT]], i32 1
; CHECK-NEXT: [[STATEPOINT_TOKEN:%.*]] = call token (i64, i32, ptr, i32, i32, ...) @llvm.experimental.gc.statepoint.p0(i64 2882400000, i32 0, ptr 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"(ptr addrspace(1) [[NEXT]], ptr addrspace(1) [[DOT0]]) ]
; CHECK-NEXT: [[NEXT_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 0)
; CHECK-NEXT: [[BASE_OBJ_RELOCATED:%.*]] = call coldcc ptr addrspace(1) @llvm.experimental.gc.relocate.p1(token [[STATEPOINT_TOKEN]], i32 1, i32 1)
; CHECK-NEXT: br label [[LOOP]]
;
entry:
%obj = getelementptr i64, ptr addrspace(1) %base_obj, i32 1
br label %loop
loop: ; preds = %loop, %entry
%current = phi ptr addrspace(1) [ %obj, %entry ], [ %next, %loop ]
%next = getelementptr i64, ptr addrspace(1) %current, i32 1
call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
br label %loop
}
|
