Files
carbon-lang/toolchain/check/testdata/pointer/fail_deref_not_pointer.carbon
T
Calvin 3f4de65ad8 Improve SemIR naming of import_refs (#4824)
Changes the name of SemIR `import_ref`s to use the format
`<package>.<entity>`.

<table>
<tr><th>Before</th><th>After</th></tr>
<tr>
<td><code>%import_ref.05a: type</code></td>
<td><code>%Main.D: type</code></td>
</tr>
<tr>
<td><code>%import_ref.8f2: &lt;witness&gt;</code></td>
<td><code>%Main.import_ref.8f2: &lt;witness&gt;</code></td>
</tr>
</table>

* [Discord discussion in
#toolchain](https://discord.com/channels/655572317891461132/655578254970716160/1330253540999827577)
* Closes #4769
2025-01-22 07:22:07 +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
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/pointer/fail_deref_not_pointer.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/pointer/fail_deref_not_pointer.carbon
fn Deref(n: i32) {
// CHECK:STDERR: fail_deref_not_pointer.carbon:[[@LINE+4]]:3: error: cannot dereference operand of non-pointer type `i32` [DerefOfNonPointer]
// CHECK:STDERR: *n;
// CHECK:STDERR: ^
// CHECK:STDERR:
*n;
// CHECK:STDERR: fail_deref_not_pointer.carbon:[[@LINE+4]]:4: error: cannot apply `->` operator to non-pointer type `i32` [ArrowOperatorOfNonPointer]
// CHECK:STDERR: n->foo;
// CHECK:STDERR: ^~
// CHECK:STDERR:
n->foo;
// CHECK:STDERR: fail_deref_not_pointer.carbon:[[@LINE+4]]:3: error: cannot dereference operand of non-pointer type `()` [DerefOfNonPointer]
// CHECK:STDERR: *();
// CHECK:STDERR: ^
// CHECK:STDERR:
*();
// CHECK:STDERR: fail_deref_not_pointer.carbon:[[@LINE+4]]:5: error: cannot apply `->` operator to non-pointer type `()` [ArrowOperatorOfNonPointer]
// CHECK:STDERR: ()->foo;
// CHECK:STDERR: ^~
// CHECK:STDERR:
()->foo;
// CHECK:STDERR: fail_deref_not_pointer.carbon:[[@LINE+4]]:3: error: cannot dereference operand of non-pointer type `{}` [DerefOfNonPointer]
// CHECK:STDERR: *{};
// CHECK:STDERR: ^
// CHECK:STDERR:
*{};
// CHECK:STDERR: fail_deref_not_pointer.carbon:[[@LINE+4]]:5: error: cannot apply `->` operator to non-pointer type `{}` [ArrowOperatorOfNonPointer]
// CHECK:STDERR: {}->foo;
// CHECK:STDERR: ^~
// CHECK:STDERR:
{}->foo;
}
// CHECK:STDOUT: --- fail_deref_not_pointer.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [template]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT: %Deref.type: type = fn_type @Deref [template]
// CHECK:STDOUT: %Deref: %Deref.type = struct_value () [template]
// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [template]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [template]
// CHECK:STDOUT: %empty_struct: %empty_struct_type = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %Core.Int
// 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: .Deref = %Deref.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Deref.decl: %Deref.type = fn_decl @Deref [template = constants.%Deref] {
// CHECK:STDOUT: %n.patt: %i32 = binding_pattern n
// CHECK:STDOUT: %n.param_patt: %i32 = value_param_pattern %n.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %n.param: %i32 = value_param runtime_param0
// CHECK:STDOUT: %.loc11: type = splice_block %i32 [template = constants.%i32] {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %n: %i32 = bind_name n, %n.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Deref(%n.param_patt: %i32) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %n.ref.loc16: %i32 = name_ref n, %n
// CHECK:STDOUT: %.loc16: ref <error> = deref %n.ref.loc16
// CHECK:STDOUT: %n.ref.loc21: %i32 = name_ref n, %n
// CHECK:STDOUT: %.loc21: ref <error> = deref %n.ref.loc21
// CHECK:STDOUT: %foo.ref.loc21: <error> = name_ref foo, <error> [template = <error>]
// CHECK:STDOUT: %.loc26_5.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %empty_tuple.loc26: %empty_tuple.type = tuple_value () [template = constants.%empty_tuple]
// CHECK:STDOUT: %.loc26_5.2: %empty_tuple.type = converted %.loc26_5.1, %empty_tuple.loc26 [template = constants.%empty_tuple]
// CHECK:STDOUT: %.loc26_3: ref <error> = deref %.loc26_5.2
// CHECK:STDOUT: %.loc31_4.1: %empty_tuple.type = tuple_literal ()
// CHECK:STDOUT: %empty_tuple.loc31: %empty_tuple.type = tuple_value () [template = constants.%empty_tuple]
// CHECK:STDOUT: %.loc31_4.2: %empty_tuple.type = converted %.loc31_4.1, %empty_tuple.loc31 [template = constants.%empty_tuple]
// CHECK:STDOUT: %.loc31_5: ref <error> = deref %.loc31_4.2
// CHECK:STDOUT: %foo.ref.loc31: <error> = name_ref foo, <error> [template = <error>]
// CHECK:STDOUT: %.loc36_5.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %empty_struct.loc36: %empty_struct_type = struct_value () [template = constants.%empty_struct]
// CHECK:STDOUT: %.loc36_5.2: %empty_struct_type = converted %.loc36_5.1, %empty_struct.loc36 [template = constants.%empty_struct]
// CHECK:STDOUT: %.loc36_3: ref <error> = deref %.loc36_5.2
// CHECK:STDOUT: %.loc41_4.1: %empty_struct_type = struct_literal ()
// CHECK:STDOUT: %empty_struct.loc41: %empty_struct_type = struct_value () [template = constants.%empty_struct]
// CHECK:STDOUT: %.loc41_4.2: %empty_struct_type = converted %.loc41_4.1, %empty_struct.loc41 [template = constants.%empty_struct]
// CHECK:STDOUT: %.loc41_5: ref <error> = deref %.loc41_4.2
// CHECK:STDOUT: %foo.ref.loc41: <error> = name_ref foo, <error> [template = <error>]
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: