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carbon-lang/toolchain/check/testdata/pointer/fail_dereference_not_pointer.carbon
T
Richard Smith 71aa4a45be Distinguish between name IDs and string IDs in the type system. (#3341)
Add a `NameId` that is effectively just a wrapper around a `StringId`,
with
some additional predefined values for names that don't correspond to
strings, such as the name of `self` or the function's return slot.
2023-11-09 16:51:36 +00:00

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// 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
fn Deref(n: i32) {
// CHECK:STDERR: fail_dereference_not_pointer.carbon:[[@LINE+3]]:3: ERROR: Cannot dereference operand of non-pointer type `i32`.
// CHECK:STDERR: *n;
// CHECK:STDERR: ^
*n;
// CHECK:STDERR: fail_dereference_not_pointer.carbon:[[@LINE+3]]:3: ERROR: Cannot dereference operand of non-pointer type `() as type`.
// CHECK:STDERR: *();
// CHECK:STDERR: ^
*();
// CHECK:STDERR: fail_dereference_not_pointer.carbon:[[@LINE+3]]:3: ERROR: Cannot dereference operand of non-pointer type `{} as type`.
// CHECK:STDERR: *{};
// CHECK:STDERR: ^
*{};
}
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.loc15: type = tuple_type ()
// CHECK:STDOUT: %.loc19: type = struct_type {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file "fail_dereference_not_pointer.carbon" {
// CHECK:STDOUT: %Deref: <function> = fn_decl @Deref
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Deref(%n: i32) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %n.ref: i32 = name_reference n, %n
// CHECK:STDOUT: %.loc11: ref <error> = dereference %n.ref
// CHECK:STDOUT: %.loc15_5.1: () = tuple_literal ()
// CHECK:STDOUT: %.loc15_5.2: () = tuple_value %.loc15_5.1, ()
// CHECK:STDOUT: %.loc15_3: ref <error> = dereference %.loc15_5.2
// CHECK:STDOUT: %.loc19_5.1: {} = struct_literal ()
// CHECK:STDOUT: %.loc19_5.2: {} = struct_value %.loc19_5.1, ()
// CHECK:STDOUT: %.loc19_3: ref <error> = dereference %.loc19_5.2
// CHECK:STDOUT: return
// CHECK:STDOUT: }