; RUN: llc < %s -mtriple=thumbv8 -arm-atomic-cfg-tidy=0 | FileCheck %s
; RUN: llc < %s -mtriple=thumbv7 -arm-atomic-cfg-tidy=0 -arm-restrict-it | FileCheck %s
; CHECK: it	ne
; CHECK-NEXT: cmpne
; CHECK-NEXT: bne [[JUMPTARGET:.LBB[0-9]+_[0-9]+]]
; CHECK: cbz
; CHECK-NEXT: %if.else163
; CHECK-NEXT: mov.w
; CHECK-NEXT: b
; CHECK: [[JUMPTARGET]]:{{.*}}%if.else173
; CHECK-NEXT: mov.w
; CHECK-NEXT: bx lr
; CHECK-NEXT: %if.else145
; CHECK-NEXT: mov.w

%struct.hc = type { i32, i32, i32, i32 }

define i32 @t(i32 %type) optsize {
entry:
  br i1 undef, label %if.then, label %if.else

if.then:
  unreachable

if.else:
  br i1 undef, label %if.then15, label %if.else18

if.then15:
  unreachable

if.else18:
  switch i32 %type, label %if.else173 [
    i32 3, label %if.then115
    i32 1, label %if.then102
  ]

if.then102:
  br i1 undef, label %cond.true10.i, label %t.exit

cond.true10.i:
  br label %t.exit

t.exit:
  unreachable

if.then115:
  br i1 undef, label %if.else163, label %if.else145

if.else145:
  %call150 = call fastcc %struct.hc* @foo(%struct.hc* undef, i32 34865152) optsize
  br label %while.body172

if.else163:
  %call168 = call fastcc %struct.hc* @foo(%struct.hc* undef, i32 34078720) optsize
  br label %while.body172

while.body172:
  br label %while.body172

if.else173:
  ret i32 -1
}

declare hidden fastcc %struct.hc* @foo(%struct.hc* nocapture, i32) nounwind optsize