llvm/test/Transforms/RewriteStatepointsForGC/base-pointers-9.ll

; 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 i1 @runtime_value() "gc-leaf-function"

; derived %next base %base_obj
define void @maybe_GEP(ptr addrspace(1) %base_obj) gc "statepoint-example" {
; CHECK-LABEL: @maybe_GEP(
; CHECK-NEXT:  entry:
; 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) [ [[BASE_OBJ]], [[ENTRY]] ], [ [[NEXT_RELOCATED_CASTED:%.*]], [[LOOP]] ]
; CHECK-NEXT:    [[CONDITION:%.*]] = call i1 @runtime_value()
; CHECK-NEXT:    [[MAYBE_NEXT:%.*]] = getelementptr i64, ptr addrspace(1) [[CURRENT]], i32 1
; CHECK-NEXT:    [[NEXT:%.*]] = select i1 [[CONDITION]], ptr addrspace(1) [[MAYBE_NEXT]], ptr addrspace(1) [[CURRENT]]
; 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:
  br label %loop

loop:                                             ; preds = %loop, %entry
  %current = phi ptr addrspace(1) [ %base_obj, %entry ], [ %next, %loop ]
  %condition = call i1 @runtime_value()
  %maybe_next = getelementptr i64, ptr addrspace(1) %current, i32 1
  %next = select i1 %condition, ptr addrspace(1) %maybe_next, ptr addrspace(1) %current
  call void @do_safepoint() [ "deopt"(i32 0, i32 -1, i32 0, i32 0, i32 0) ]
  br label %loop
}

declare void @do_safepoint()