File: open_boxed_existential.sil

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// RUN: %target-swift-frontend %s -emit-ir | %FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-%target-ptrsize --check-prefix=CHECK-%target-runtime

import Swift

// CHECK-LABEL: define{{( dllexport)?}}{{( protected)?}} swiftcc {{i[0-9]+}} @open_boxed_existential(ptr %0)
sil @open_boxed_existential : $@convention(thin) (@owned Error) -> Int {
entry(%b : $Error):
  // CHECK: call void @swift_getErrorValue(ptr %0, ptr {{%.*}}, ptr [[OUT:%.*]])
  // CHECK: [[OUT_ADDR:%.*]] = getelementptr inbounds {{.*}} [[OUT]], i32 0, i32 0
  // CHECK: [[ADDR:%.*]] = load {{.*}} [[OUT_ADDR]]
  // CHECK: [[OUT_TYPE:%.*]] = getelementptr inbounds {{.*}} [[OUT]], i32 0, i32 1
  // CHECK: [[TYPE:%.*]] = load {{.*}} [[OUT_TYPE]]
  // CHECK: [[OUT_WITNESS:%.*]] = getelementptr inbounds {{.*}} [[OUT]], i32 0, i32 2
  // CHECK: [[WITNESS:%.*]] = load {{.*}} [[OUT_WITNESS]]
  %o = open_existential_box %b : $Error to $*@opened("01234567-89AB-CDEF-0123-000000000000", Error) Self
  %m = witness_method $@opened("01234567-89AB-CDEF-0123-000000000000", Error) Self, #Error._code!getter, %o : $*@opened("01234567-89AB-CDEF-0123-000000000000", Error) Self : $@convention(witness_method: Error) <Self: Error> (@in_guaranteed Self) -> Int
  // CHECK: [[RESULT:%.*]] =  call swiftcc [[INT:i[0-9]+]] @"$ss5ErrorP5_codeSivgTj"(ptr noalias swiftself [[ADDR]], ptr [[TYPE]], ptr [[WITNESS]])
  %c = apply %m<@opened("01234567-89AB-CDEF-0123-000000000000", Error) Self>(%o) : $@convention(witness_method: Error) <Self: Error> (@in_guaranteed Self) -> Int
  // CHECK: ret [[INT]] [[RESULT]]
  return %c : $Int
}