; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -jump-threading -S %s | FileCheck %s

declare i1 @cond()

define hidden void @hoge(i1 %c1, i32 %x)  {
; CHECK-LABEL: @hoge(
; CHECK-NEXT:  bb:
; CHECK-NEXT:    br label [[BB13:%.*]]
; CHECK:       bb4:
; CHECK-NEXT:    [[TMP3:%.*]] = icmp ne i32 [[TMP7:%.*]], undef
; CHECK-NEXT:    br i1 [[TMP3]], label [[BB5:%.*]], label [[BB13]]
; CHECK:       bb5:
; CHECK-NEXT:    br label [[BB6:%.*]]
; CHECK:       bb6:
; CHECK-NEXT:    [[TMP7]] = phi i32 [ [[TMP7]], [[BB5]] ], [ [[X:%.*]], [[BB8:%.*]] ]
; CHECK-NEXT:    [[C:%.*]] = call i1 @cond()
; CHECK-NEXT:    br i1 [[C]], label [[BB4:%.*]], label [[BB8]]
; CHECK:       bb8:
; CHECK-NEXT:    br label [[BB6]]
; CHECK:       bb13:
; CHECK-NEXT:    ret void
;
bb:
  br i1 false, label %bb1, label %bb13

bb1:                                              ; preds = %bb
  br label %bb2

bb2:                                              ; preds = %bb12, %bb1
  %tmp = phi i32 [ 10, %bb1 ], [ %tmp7, %bb12 ]
  %tmp3 = icmp ne i32 %tmp, undef
  br label %bb4

bb4:                                              ; preds = %bb2
  br i1 %tmp3, label %bb5, label %bb13

bb5:                                              ; preds = %bb4
  br label %bb6

bb6:                                              ; preds = %bb8, %bb5
  %tmp7 = phi i32 [ %tmp, %bb5 ], [ %x, %bb8 ]
  %c = call i1 @cond()
  br i1 %c, label %bb9, label %bb8

bb8:                                              ; preds = %bb6
  br label %bb6

bb9:                                              ; preds = %bb6
  br label %bb10

bb10:                                             ; preds = %bb9
  br label %bb12

bb12:                                             ; preds = %bb10
  br label %bb2

bb13:                                             ; preds = %bb4
  ret void

}