; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=jump-threading -verify-dom-info < %s | FileCheck %s

target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

@global = external local_unnamed_addr global i64, align 8
@global.1 = external local_unnamed_addr global i64, align 8
@global.2 = external local_unnamed_addr global i64, align 8

; Function Attrs: norecurse noreturn nounwind uwtable
define void @hoge() local_unnamed_addr #0 {
; CHECK-LABEL: @hoge(
; CHECK-NEXT:  bb:
; CHECK-NEXT:    br label [[BB1:%.*]]
; CHECK:       bb1:
; CHECK-NEXT:    [[TMP:%.*]] = load i64, ptr @global, align 8, !tbaa [[TBAA1:![0-9]+]]
; CHECK-NEXT:    [[TMP2:%.*]] = icmp eq i64 [[TMP]], 0
; CHECK-NEXT:    br i1 [[TMP2]], label [[BB26:%.*]], label [[BB3:%.*]]
; CHECK:       bb3:
; CHECK-NEXT:    [[TMP4:%.*]] = load i64, ptr @global.1, align 8, !tbaa [[TBAA1]]
; CHECK-NEXT:    [[TMP5:%.*]] = icmp eq i64 [[TMP4]], 0
; CHECK-NEXT:    br i1 [[TMP5]], label [[BB26]], label [[BB26]]
; CHECK:       bb26:
; CHECK-NEXT:    br label [[BB1]]
;
bb:
  br label %bb1

bb1:                                              ; preds = %bb26, %bb
  %tmp = load i64, ptr @global, align 8, !tbaa !1
  %tmp2 = icmp eq i64 %tmp, 0
  br i1 %tmp2, label %bb27, label %bb3

bb3:                                              ; preds = %bb1
  %tmp4 = load i64, ptr @global.1, align 8, !tbaa !1
  %tmp5 = icmp eq i64 %tmp4, 0
  br i1 %tmp5, label %bb23, label %bb23

bb23:                                             ; preds = %bb3, %bb3
  br label %bb26

bb26:                                             ; preds = %bb27, %bb23
  br label %bb1

bb27:                                             ; preds = %bb1
  br label %bb26
}

attributes #0 = { norecurse noreturn nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }

!llvm.ident = !{!0}

!0 = !{!"clang version 7.0.0 "}
!1 = !{!2, !2, i64 0}
!2 = !{!"long", !3, i64 0}
!3 = !{!"omnipotent char", !4, i64 0}
!4 = !{!"Simple C/C++ TBAA"}