• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S  2>&1 | FileCheck %s
2
3; CHECK: derived %next base %base_obj
4
5declare i1 @runtime_value() "gc-leaf-function"
6
7define void @maybe_GEP(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
8entry:
9  br label %loop
10
11loop:                                             ; preds = %loop, %entry
12  %current = phi i64 addrspace(1)* [ %base_obj, %entry ], [ %next, %loop ]
13  %condition = call i1 @runtime_value()
14  %maybe_next = getelementptr i64, i64 addrspace(1)* %current, i32 1
15  %next = select i1 %condition, i64 addrspace(1)* %maybe_next, i64 addrspace(1)* %current
16  call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
17  br label %loop
18}
19
20declare void @do_safepoint()
21