verifier-fail-address-phi-ossa.sil

// RUN: %empty-directory(%t)
// RUN: not --crash %target-sil-opt -enable-sil-verify-all %s 2> %t/err.txt
// RUN: %FileCheck %s < %t/err.txt

// REQUIRES: asserts

class Klass {}

struct MyStruct {
  @_hasStorage var k: Klass
}

// The SIL verifier must crash on address phis.
//
// CHECK: SIL verification failed: Block arguments cannot be addresses: !arg->getType().isAddress()
sil [ossa] @handle_phi_address_nodes : $@convention(thin) (@owned Klass) -> () {
bb0(%0 : @owned $Klass):
  %1 = alloc_stack $MyStruct
  %2 = struct_element_addr %1 : $*MyStruct, #MyStruct.k
  store %0 to [init] %2 : $*Klass
  cond_br undef, bb1, bb2

bb1:
  br bb3(%1 : $*MyStruct)

bb2:
  br bb3(%1 : $*MyStruct)

bb3(%7 : $*MyStruct):
  destroy_addr %7 : $*MyStruct
  dealloc_stack %1 : $*MyStruct
  %9999 = tuple()
  return %9999 : $()
}