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carbon-lang/toolchain/check/testdata/impl/fail_impl_bad_interface.carbon
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Richard SmithandJon Ross-Perkins e2ae5f212c Remove the special case for i32. (#4543) 
For the few remaining uses of the builtin `i32` type, manually build an
`IntType(Signed, 32)` value instead. These are:

- The return type of `Run`.
- The type that int literals in an `if` expression are converted into.
- The type of an array index expression.

We should consider converting those three cases away from `i32` over
time.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
2024-11-18 23:19:36 +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
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/impl/fail_impl_bad_interface.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/impl/fail_impl_bad_interface.carbon
// --- fail_impl_as_false.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_impl_as_false.carbon:[[@LINE+7]]:13: error: cannot implicitly convert from `bool` to `type` [ImplicitAsConversionFailure]
// CHECK:STDERR: impl i32 as false {}
// CHECK:STDERR: ^~~~~
// CHECK:STDERR: fail_impl_as_false.carbon:[[@LINE+4]]:13: note: type `bool` does not implement interface `ImplicitAs(type)` [MissingImplInMemberAccessNote]
// CHECK:STDERR: impl i32 as false {}
// CHECK:STDERR: ^~~~~
// CHECK:STDERR:
impl i32 as false {}
// --- fail_impl_as_type.carbon
library "[[@TEST_NAME]]";
// CHECK:STDERR: fail_impl_as_type.carbon:[[@LINE+4]]:1: error: impl as non-facet-type [ImplAsNonFacetType]
// CHECK:STDERR: impl bool as type {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
impl bool as type {}
// --- fail_impl_as_type_where.carbon
library "[[@TEST_NAME]]";
// Note: This code is not expected to pass checking, even once the TODO is
// addressed.
// CHECK:STDERR: fail_impl_as_type_where.carbon:[[@LINE+3]]:1: error: semantics TODO: `impl as not 1 interface` [SemanticsTodo]
// CHECK:STDERR: impl f64 as type where .Self impls type {}
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
impl f64 as type where .Self impls type {}
// CHECK:STDOUT: --- fail_impl_as_false.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.1: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %Int.type: type = fn_type @Int [template]
// CHECK:STDOUT: %Int: %Int.type = struct_value () [template]
// CHECK:STDOUT: %i32: type = int_type signed, %.1 [template]
// CHECK:STDOUT: %.2: bool = bool_literal false [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %import_ref.1
// CHECK:STDOUT: .ImplicitAs = %import_ref.2
// 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: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %.loc11: type = converted @impl.9.%.loc11_13, <error> [template = <error>]
// CHECK:STDOUT: impl_decl @impl.9 [template] {} {
// CHECK:STDOUT: %.loc11_6.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed: init type = call constants.%Int(%.loc11_6.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc11_6.2: type = value_of_initializer %int.make_type_signed [template = constants.%i32]
// CHECK:STDOUT: %.loc11_6.3: type = converted %int.make_type_signed, %.loc11_6.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc11_13: bool = bool_literal false [template = constants.%.2]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl.9: %.loc11_6.3 as <error> {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: witness = <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_impl_as_type.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Bool.type: type = fn_type @Bool [template]
// CHECK:STDOUT: %Bool: %Bool.type = struct_value () [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Bool = %import_ref
// 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: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: impl_decl @impl [template] {} {
// CHECK:STDOUT: %bool.make_type: init type = call constants.%Bool() [template = bool]
// CHECK:STDOUT: %.loc8_6.1: type = value_of_initializer %bool.make_type [template = bool]
// CHECK:STDOUT: %.loc8_6.2: type = converted %bool.make_type, %.loc8_6.1 [template = bool]
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl: %.loc8_6.2 as type {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: witness = <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_impl_as_type_where.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.1: Core.IntLiteral = int_value 64 [template]
// CHECK:STDOUT: %Float.type: type = fn_type @Float [template]
// CHECK:STDOUT: %Float: %Float.type = struct_value () [template]
// CHECK:STDOUT: %.Self: type = bind_symbolic_name .Self, 0 [symbolic]
// CHECK:STDOUT: %type_where: type = facet_type <type where TODO> [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Float = %import_ref
// 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: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: impl_decl @impl [template] {} {
// CHECK:STDOUT: %.loc10_6.1: Core.IntLiteral = int_value 64 [template = constants.%.1]
// CHECK:STDOUT: %float.make_type: init type = call constants.%Float(%.loc10_6.1) [template = f64]
// CHECK:STDOUT: %.loc10_6.2: type = value_of_initializer %float.make_type [template = f64]
// CHECK:STDOUT: %.loc10_6.3: type = converted %float.make_type, %.loc10_6.2 [template = f64]
// CHECK:STDOUT: %.Self: type = bind_symbolic_name .Self, 0 [symbolic = constants.%.Self]
// CHECK:STDOUT: %.Self.ref: type = name_ref .Self, %.Self [symbolic = constants.%.Self]
// CHECK:STDOUT: %.loc10_18: type = where_expr %.Self [template = constants.%type_where] {
// CHECK:STDOUT: requirement_impls %.Self.ref, type
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: impl @impl: %.loc10_6.3 as %.loc10_18 {
// CHECK:STDOUT: !members:
// CHECK:STDOUT: witness = <error>
// CHECK:STDOUT: }
// CHECK:STDOUT:
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