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carbon-lang/toolchain/check/testdata/class/generic/stringify.carbon
T
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/class/generic/stringify.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/generic/stringify.carbon
// --- fail_empty_params.carbon
library "[[@TEST_NAME]]";
class NoParams {}
class EmptyParams() {}
var v: NoParams;
// CHECK:STDERR: fail_empty_params.carbon:[[@LINE+7]]:1: error: cannot implicitly convert from `NoParams` to `EmptyParams()` [ImplicitAsConversionFailure]
// CHECK:STDERR: var w: EmptyParams() = v;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_empty_params.carbon:[[@LINE+4]]:1: note: type `NoParams` does not implement interface `ImplicitAs(EmptyParams())` [MissingImplInMemberAccessNote]
// CHECK:STDERR: var w: EmptyParams() = v;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR:
var w: EmptyParams() = v;
// --- fail_nested.carbon
library "[[@TEST_NAME]]";
class Outer(T:! type) {
class Inner(U:! type) {
}
}
var v: Outer({}*);
// TODO: It would be nice to include the `Outer({}*).` prefix in the name of `Inner`.
// CHECK:STDERR: fail_nested.carbon:[[@LINE+6]]:1: error: cannot implicitly convert from `Outer({}*)` to `Inner({.a: i32}*)` [ImplicitAsConversionFailure]
// CHECK:STDERR: var w: Outer({}*).Inner({.a: i32}*) = v;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// CHECK:STDERR: fail_nested.carbon:[[@LINE+3]]:1: note: type `Outer({}*)` does not implement interface `ImplicitAs(Inner({.a: i32}*))` [MissingImplInMemberAccessNote]
// CHECK:STDERR: var w: Outer({}*).Inner({.a: i32}*) = v;
// CHECK:STDERR: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
var w: Outer({}*).Inner({.a: i32}*) = v;
// CHECK:STDOUT: --- fail_empty_params.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %NoParams: type = class_type @NoParams [template]
// CHECK:STDOUT: %.1: type = struct_type {} [template]
// CHECK:STDOUT: %.2: <witness> = complete_type_witness %.1 [template]
// CHECK:STDOUT: %EmptyParams.type: type = generic_class_type @EmptyParams [template]
// CHECK:STDOUT: %EmptyParams.1: %EmptyParams.type = struct_value () [template]
// CHECK:STDOUT: %EmptyParams.2: type = class_type @EmptyParams [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .ImplicitAs = %import_ref.1
// 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: .NoParams = %NoParams.decl
// CHECK:STDOUT: .EmptyParams = %EmptyParams.decl
// CHECK:STDOUT: .v = %v
// CHECK:STDOUT: .w = %w
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %NoParams.decl: type = class_decl @NoParams [template = constants.%NoParams] {} {}
// CHECK:STDOUT: %EmptyParams.decl: %EmptyParams.type = class_decl @EmptyParams [template = constants.%EmptyParams.1] {} {}
// CHECK:STDOUT: %NoParams.ref: type = name_ref NoParams, %NoParams.decl [template = constants.%NoParams]
// CHECK:STDOUT: %v.var: ref %NoParams = var v
// CHECK:STDOUT: %v: ref %NoParams = bind_name v, %v.var
// CHECK:STDOUT: %EmptyParams.ref: %EmptyParams.type = name_ref EmptyParams, %EmptyParams.decl [template = constants.%EmptyParams.1]
// CHECK:STDOUT: %EmptyParams: type = class_type @EmptyParams [template = constants.%EmptyParams.2]
// CHECK:STDOUT: %w.var: ref %EmptyParams.2 = var w
// CHECK:STDOUT: %w: ref %EmptyParams.2 = bind_name w, %w.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @NoParams {
// CHECK:STDOUT: %.loc4: <witness> = complete_type_witness %.1 [template = constants.%.2]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%NoParams
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: class @EmptyParams {
// CHECK:STDOUT: %.loc5: <witness> = complete_type_witness %.1 [template = constants.%.2]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%EmptyParams.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %v.ref: ref %NoParams = name_ref v, file.%v
// CHECK:STDOUT: %.loc15: %EmptyParams.2 = converted %v.ref, <error> [template = <error>]
// CHECK:STDOUT: assign file.%w.var, <error>
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_nested.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %T.patt: type = symbolic_binding_pattern T, 0 [symbolic]
// CHECK:STDOUT: %Outer.type: type = generic_class_type @Outer [template]
// CHECK:STDOUT: %Outer.1: %Outer.type = struct_value () [template]
// CHECK:STDOUT: %Outer.2: type = class_type @Outer, @Outer(%T) [symbolic]
// CHECK:STDOUT: %U: type = bind_symbolic_name U, 1 [symbolic]
// CHECK:STDOUT: %U.patt: type = symbolic_binding_pattern U, 1 [symbolic]
// CHECK:STDOUT: %Inner.type.1: type = generic_class_type @Inner, @Outer(%T) [symbolic]
// CHECK:STDOUT: %Inner.1: %Inner.type.1 = struct_value () [symbolic]
// CHECK:STDOUT: %Inner.2: type = class_type @Inner, @Inner(%T, %U) [symbolic]
// CHECK:STDOUT: %.1: type = struct_type {} [template]
// CHECK:STDOUT: %.2: <witness> = complete_type_witness %.1 [template]
// CHECK:STDOUT: %.3: type = ptr_type %.1 [template]
// CHECK:STDOUT: %Outer.3: type = class_type @Outer, @Outer(%.3) [template]
// CHECK:STDOUT: %Inner.type.2: type = generic_class_type @Inner, @Outer(%.3) [template]
// CHECK:STDOUT: %Inner.3: %Inner.type.2 = struct_value () [template]
// CHECK:STDOUT: %.4: 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, %.4 [template]
// CHECK:STDOUT: %.5: type = struct_type {.a: %i32} [template]
// CHECK:STDOUT: %.6: type = ptr_type %.5 [template]
// CHECK:STDOUT: %Inner.4: type = class_type @Inner, @Inner(%.3, %.6) [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: .Outer = %Outer.decl
// CHECK:STDOUT: .v = %v
// CHECK:STDOUT: .w = %w
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Outer.decl: %Outer.type = class_decl @Outer [template = constants.%Outer.1] {
// CHECK:STDOUT: %T.patt.loc4_13.1: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_13.2 (constants.%T.patt)]
// CHECK:STDOUT: %T.param_patt: type = value_param_pattern %T.patt.loc4_13.1, runtime_param<invalid> [symbolic = %T.patt.loc4_13.2 (constants.%T.patt)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %T.param: type = value_param runtime_param<invalid>
// CHECK:STDOUT: %T.loc4_13.1: type = bind_symbolic_name T, 0, %T.param [symbolic = %T.loc4_13.2 (constants.%T)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %Outer.ref.loc9: %Outer.type = name_ref Outer, %Outer.decl [template = constants.%Outer.1]
// CHECK:STDOUT: %.loc9_15: %.1 = struct_literal ()
// CHECK:STDOUT: %.loc9_16.1: type = converted %.loc9_15, constants.%.1 [template = constants.%.1]
// CHECK:STDOUT: %.loc9_16.2: type = ptr_type %.1 [template = constants.%.3]
// CHECK:STDOUT: %Outer.loc9: type = class_type @Outer, @Outer(constants.%.3) [template = constants.%Outer.3]
// CHECK:STDOUT: %v.var: ref %Outer.3 = var v
// CHECK:STDOUT: %v: ref %Outer.3 = bind_name v, %v.var
// CHECK:STDOUT: %Outer.ref.loc18: %Outer.type = name_ref Outer, %Outer.decl [template = constants.%Outer.1]
// CHECK:STDOUT: %.loc18_15: %.1 = struct_literal ()
// CHECK:STDOUT: %.loc18_16.1: type = converted %.loc18_15, constants.%.1 [template = constants.%.1]
// CHECK:STDOUT: %.loc18_16.2: type = ptr_type %.1 [template = constants.%.3]
// CHECK:STDOUT: %Outer.loc18: type = class_type @Outer, @Outer(constants.%.3) [template = constants.%Outer.3]
// CHECK:STDOUT: %.loc18_18: %Inner.type.2 = specific_constant @Outer.%Inner.decl, @Outer(constants.%.3) [template = constants.%Inner.3]
// CHECK:STDOUT: %Inner.ref: %Inner.type.2 = name_ref Inner, %.loc18_18 [template = constants.%Inner.3]
// CHECK:STDOUT: %.loc18_30.1: Core.IntLiteral = int_value 32 [template = constants.%.4]
// CHECK:STDOUT: %int.make_type_signed: init type = call constants.%Int(%.loc18_30.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc18_30.2: type = value_of_initializer %int.make_type_signed [template = constants.%i32]
// CHECK:STDOUT: %.loc18_30.3: type = converted %int.make_type_signed, %.loc18_30.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc18_33: type = struct_type {.a: %i32} [template = constants.%.5]
// CHECK:STDOUT: %.loc18_34: type = ptr_type %.5 [template = constants.%.6]
// CHECK:STDOUT: %Inner: type = class_type @Inner, @Inner(constants.%.3, constants.%.6) [template = constants.%Inner.4]
// CHECK:STDOUT: %w.var: ref %Inner.4 = var w
// CHECK:STDOUT: %w: ref %Inner.4 = bind_name w, %w.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @Outer(%T.loc4_13.1: type) {
// CHECK:STDOUT: %T.loc4_13.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc4_13.2 (constants.%T)]
// CHECK:STDOUT: %T.patt.loc4_13.2: type = symbolic_binding_pattern T, 0 [symbolic = %T.patt.loc4_13.2 (constants.%T.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Inner.type: type = generic_class_type @Inner, @Outer(%T.loc4_13.2) [symbolic = %Inner.type (constants.%Inner.type.1)]
// CHECK:STDOUT: %Inner: @Outer.%Inner.type (%Inner.type.1) = struct_value () [symbolic = %Inner (constants.%Inner.1)]
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: %Inner.decl: @Outer.%Inner.type (%Inner.type.1) = class_decl @Inner [symbolic = @Outer.%Inner (constants.%Inner.1)] {
// CHECK:STDOUT: %U.patt.loc5_15.1: type = symbolic_binding_pattern U, 1 [symbolic = %U.patt.loc5_15.2 (constants.%U.patt)]
// CHECK:STDOUT: %U.param_patt: type = value_param_pattern %U.patt.loc5_15.1, runtime_param<invalid> [symbolic = %U.patt.loc5_15.2 (constants.%U.patt)]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %U.param: type = value_param runtime_param<invalid>
// CHECK:STDOUT: %U.loc5_15.1: type = bind_symbolic_name U, 1, %U.param [symbolic = %U.loc5_15.2 (constants.%U)]
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc7: <witness> = complete_type_witness %.1 [template = constants.%.2]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Outer.2
// CHECK:STDOUT: .Inner = %Inner.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic class @Inner(@Outer.%T.loc4_13.1: type, %U.loc5_15.1: type) {
// CHECK:STDOUT: %U.loc5_15.2: type = bind_symbolic_name U, 1 [symbolic = %U.loc5_15.2 (constants.%U)]
// CHECK:STDOUT: %U.patt.loc5_15.2: type = symbolic_binding_pattern U, 1 [symbolic = %U.patt.loc5_15.2 (constants.%U.patt)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT:
// CHECK:STDOUT: class {
// CHECK:STDOUT: %.loc6: <witness> = complete_type_witness %.1 [template = constants.%.2]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Inner.2
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %v.ref: ref %Outer.3 = name_ref v, file.%v
// CHECK:STDOUT: %.loc18: %Inner.4 = converted %v.ref, <error> [template = <error>]
// CHECK:STDOUT: assign file.%w.var, <error>
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Outer(constants.%T) {
// CHECK:STDOUT: %T.loc4_13.2 => constants.%T
// CHECK:STDOUT: %T.patt.loc4_13.2 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Inner(constants.%T, constants.%U) {
// CHECK:STDOUT: %U.loc5_15.2 => constants.%U
// CHECK:STDOUT: %U.patt.loc5_15.2 => constants.%U
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Outer(%T.loc4_13.2) {
// CHECK:STDOUT: %T.loc4_13.2 => constants.%T
// CHECK:STDOUT: %T.patt.loc4_13.2 => constants.%T
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Outer(constants.%.3) {
// CHECK:STDOUT: %T.loc4_13.2 => constants.%.3
// CHECK:STDOUT: %T.patt.loc4_13.2 => constants.%.3
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %Inner.type => constants.%Inner.type.2
// CHECK:STDOUT: %Inner => constants.%Inner.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @Inner(constants.%.3, constants.%.6) {
// CHECK:STDOUT: %U.loc5_15.2 => constants.%.6
// CHECK:STDOUT: %U.patt.loc5_15.2 => constants.%.6
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: }
// CHECK:STDOUT:
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