carbon-lang/toolchain/check/testdata/pointer/fail_deref_function.carbon

// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/pointer/fail_deref_function.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/pointer/fail_deref_function.carbon

fn A() {
  // CHECK:STDERR: fail_deref_function.carbon:[[@LINE+4]]:4: error: expression cannot be used as a value [UseOfNonExprAsValue]
  // CHECK:STDERR:   *A;
  // CHECK:STDERR:    ^
  // CHECK:STDERR:
  *A;
  // CHECK:STDERR: fail_deref_function.carbon:[[@LINE+4]]:3: error: expression cannot be used as a value [UseOfNonExprAsValue]
  // CHECK:STDERR:   A->foo;
  // CHECK:STDERR:   ^
  // CHECK:STDERR:
  A->foo;
}

// CHECK:STDOUT: --- fail_deref_function.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %A.type: type = fn_type @A [template]
// CHECK:STDOUT:   %A: %A.type = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .A = %A.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %A.decl: %A.type = fn_decl @A [template = constants.%A] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @A() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %A.ref.loc16: %A.type = name_ref A, file.%A.decl [template = constants.%A]
// CHECK:STDOUT:   %.loc16: ref <error> = deref <error>
// CHECK:STDOUT:   %A.ref.loc21: %A.type = name_ref A, file.%A.decl [template = constants.%A]
// CHECK:STDOUT:   %.loc21: ref <error> = deref <error>
// CHECK:STDOUT:   %foo.ref: <error> = name_ref foo, <error> [template = <error>]
// CHECK:STDOUT:   return
// CHECK:STDOUT: }
// CHECK:STDOUT: