; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
; RUN: opt < %s -S | FileCheck %s

define i32 @phi_after_label(i1 %cc) {
; CHECK-LABEL: define i32 @phi_after_label(
; CHECK-SAME: i1 [[CC:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*]]:
; CHECK-NEXT:    br i1 [[CC]], label %[[THEN:.*]], label %[[END:.*]]
; CHECK:       [[THEN]]:
; CHECK-NEXT:    br label %[[END]]
; CHECK:       [[END]]:
; CHECK-NEXT:    [[R:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ 1, %[[THEN]] ]
; CHECK-NEXT:    ret i32 [[R]]
;
entry:
  br i1 %cc, label %then, label %end

then:
  br label %end

end:
  %r = phi i32 [ 0, %entry ], [ 1, %then ]
  ret i32 %r
}

define void @phi_before_label(i32 %bound) {
; CHECK-LABEL: define void @phi_before_label(
; CHECK-SAME: i32 [[BOUND:%.*]]) {
; CHECK-NEXT:  [[ENTRY:.*]]:
; CHECK-NEXT:    br label %[[LOOP:.*]]
; CHECK:       [[LOOP]]:
; CHECK-NEXT:    [[CTR:%.*]] = phi i32 [ 0, %[[ENTRY]] ], [ [[CTR_NEXT:%.*]], %[[LOOP]] ]
; CHECK-NEXT:    [[CTR_NEXT]] = add i32 [[CTR]], 1
; CHECK-NEXT:    [[CC:%.*]] = icmp ult i32 [[CTR_NEXT]], [[BOUND]]
; CHECK-NEXT:    br i1 [[CC]], label %[[LOOP]], label %[[END:.*]]
; CHECK:       [[END]]:
; CHECK-NEXT:    ret void
;
entry:
  br label %loop

loop:
  %ctr = phi i32 [ 0, %entry ], [ %ctr.next, %loop ]
  %ctr.next = add i32 %ctr, 1
  %cc = icmp ult i32 %ctr.next, %bound
  br i1 %cc, label %loop, label %end

end:
  ret void
}

define i32 @phi_after_label_unnamed(i1 %cc) {
; CHECK-LABEL: define i32 @phi_after_label_unnamed(
; CHECK-SAME: i1 [[CC:%.*]]) {
; CHECK-NEXT:    br i1 [[CC]], label %[[BB1:.*]], label %[[BB2:.*]]
; CHECK:       [[BB1]]:
; CHECK-NEXT:    br label %[[BB2]]
; CHECK:       [[BB2]]:
; CHECK-NEXT:    [[R:%.*]] = phi i32 [ 0, [[TMP0:%.*]] ], [ 1, %[[BB1]] ]
; CHECK-NEXT:    ret i32 [[R]]
;
0:
  br i1 %cc, label %1, label %2

1:
  br label %2

2:
  %r = phi i32 [ 0, %0 ], [ 1, %1 ]
  ret i32 %r
}