llvm-project/llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-3.ll

; RUN: opt < %s -rewrite-statepoints-for-gc -spp-print-base-pointers -S 2>&1 | FileCheck %s

; CHECK: derived %next.i64 base %base_obj

define void @test(i64 addrspace(1)* %base_obj) gc "statepoint-example" {
entry:
  %obj = getelementptr i64, i64 addrspace(1)* %base_obj, i32 1
  br label %loop

loop:                                             ; preds = %loop, %entry
  %current = phi i64 addrspace(1)* [ %obj, %entry ], [ %next.i64, %loop ]
  %current.i32 = bitcast i64 addrspace(1)* %current to i32 addrspace(1)*
  %next.i32 = getelementptr i32, i32 addrspace(1)* %current.i32, i32 1
  %next.i64 = bitcast i32 addrspace(1)* %next.i32 to i64 addrspace(1)*
  call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
  br label %loop
}

declare void @do_safepoint()