test/SIL/cloning.sil

// RUN: %target-sil-opt -enable-sil-verify-all -inline %s | %FileCheck %s

// Check cloning of instructions.

sil_stage canonical

import Builtin

class X {
}

sil [always_inline] @callee_alloc_ref_stack : $@convention(thin) () -> () {
bb0:
  %0 = alloc_ref [stack] $X
  dealloc_ref [stack] %0 : $X
  %r = tuple ()
  return %r : $()
}

// CHECK-LABEL: sil @caller_alloc_ref_stack : $@convention(thin) () -> ()
// CHECK: [[X:%[0-9]+]] = alloc_ref [stack] $X
// CHECK: dealloc_ref [stack] [[X]] : $X
sil @caller_alloc_ref_stack : $@convention(thin) () -> () {
bb0:
  %0 = function_ref @callee_alloc_ref_stack : $@convention(thin) () -> ()
  %1 = apply %0() : $@convention(thin) () -> ()
  %2 = tuple ()
  return %2 : $()
}