carbon-lang/toolchain/check/testdata/pointer/address_of_deref.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/address_of_deref.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/pointer/address_of_deref.carbon

fn F() -> i32 {
  var n: i32 = 0;
  return *&*&n;
}

// CHECK:STDOUT: --- address_of_deref.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %Int32.type: type = fn_type @Int32 [template]
// CHECK:STDOUT:   %.1: type = tuple_type () [template]
// CHECK:STDOUT:   %Int32: %Int32.type = struct_value () [template]
// CHECK:STDOUT:   %F.type: type = fn_type @F [template]
// CHECK:STDOUT:   %F: %F.type = struct_value () [template]
// CHECK:STDOUT:   %.2: i32 = int_value 0 [template]
// CHECK:STDOUT:   %.3: type = ptr_type i32 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Int32 = %import_ref
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %import_ref: %Int32.type = import_ref Core//prelude/types, inst+15, loaded [template = constants.%Int32]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [template] {
// CHECK:STDOUT:     .Core = imports.%Core
// CHECK:STDOUT:     .F = %F.decl
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {
// CHECK:STDOUT:     %return.patt: i32 = return_slot_pattern
// CHECK:STDOUT:     %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %int.make_type_32.loc11: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:     %.loc11_11.1: type = value_of_initializer %int.make_type_32.loc11 [template = i32]
// CHECK:STDOUT:     %.loc11_11.2: type = converted %int.make_type_32.loc11, %.loc11_11.1 [template = i32]
// CHECK:STDOUT:     %return.param: ref i32 = out_param runtime_param0
// CHECK:STDOUT:     %return: ref i32 = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Int32() -> type = "int.make_type_32";
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %int.make_type_32.loc12: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT:   %.loc12_10.1: type = value_of_initializer %int.make_type_32.loc12 [template = i32]
// CHECK:STDOUT:   %.loc12_10.2: type = converted %int.make_type_32.loc12, %.loc12_10.1 [template = i32]
// CHECK:STDOUT:   %n.var: ref i32 = var n
// CHECK:STDOUT:   %n: ref i32 = bind_name n, %n.var
// CHECK:STDOUT:   %.loc12_16: i32 = int_value 0 [template = constants.%.2]
// CHECK:STDOUT:   assign %n.var, %.loc12_16
// CHECK:STDOUT:   %n.ref: ref i32 = name_ref n, %n
// CHECK:STDOUT:   %.loc13_13: %.3 = addr_of %n.ref
// CHECK:STDOUT:   %.loc13_12: ref i32 = deref %.loc13_13
// CHECK:STDOUT:   %.loc13_11: %.3 = addr_of %.loc13_12
// CHECK:STDOUT:   %.loc13_10.1: ref i32 = deref %.loc13_11
// CHECK:STDOUT:   %.loc13_10.2: i32 = bind_value %.loc13_10.1
// CHECK:STDOUT:   return %.loc13_10.2
// CHECK:STDOUT: }
// CHECK:STDOUT: