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carbon-lang/toolchain/check/testdata/class/basic.carbon
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Richard Smith bc395eb889 Represent integer literals as IntLiteral not as i32. (#4532) 
When an `IntLiteral` appears as an operand of an `if` expression,
convert it to `i32` for now, so that we don't reject things like `if
cond then 1 else 2` due to having a non-constant value of type
`IntLiteral`.

For tuple indexing expressions such as `(a, b).0`, convert the index to
type `IntLiteral`, not to type `i32`. This isn't strictly necessary to
do in this PR, but avoids the need to provide an `IntLiteral` -> `i32`
implicit conversion for `no_prelude` tests using this syntax.
2024-11-15 23:24:15 +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/basic.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/class/basic.carbon
class Class {
fn F(n: i32) -> i32 {
return n;
}
fn G(n: i32) -> i32;
var k: i32;
}
fn Class.G(n: i32) -> i32 {
return n;
}
fn Run() -> i32 {
return Class.F(4);
}
// CHECK:STDOUT: --- basic.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Class: type = class_type @Class [template]
// CHECK:STDOUT: %Int32.type: type = fn_type @Int32 [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: %G.type: type = fn_type @G [template]
// CHECK:STDOUT: %G: %G.type = struct_value () [template]
// CHECK:STDOUT: %.1: type = unbound_element_type %Class, i32 [template]
// CHECK:STDOUT: %.2: type = struct_type {.k: i32} [template]
// CHECK:STDOUT: %.3: <witness> = complete_type_witness %.2 [template]
// CHECK:STDOUT: %Run.type: type = fn_type @Run [template]
// CHECK:STDOUT: %Run: %Run.type = struct_value () [template]
// CHECK:STDOUT: %.5: Core.IntLiteral = int_value 4 [template]
// CHECK:STDOUT: %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(i32) [template]
// CHECK:STDOUT: %Convert.type.15: type = fn_type @Convert.11 [template]
// CHECK:STDOUT: %Convert.15: %Convert.type.15 = struct_value () [template]
// CHECK:STDOUT: %.29: <witness> = interface_witness (%Convert.15) [template]
// CHECK:STDOUT: %.30: <bound method> = bound_method %.5, %Convert.15 [template]
// CHECK:STDOUT: %.31: i32 = int_value 4 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int32 = %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: .Class = %Class.decl
// CHECK:STDOUT: .Run = %Run.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Class.decl: type = class_decl @Class [template = constants.%Class] {} {}
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {
// CHECK:STDOUT: %n.patt: i32 = binding_pattern n
// CHECK:STDOUT: %n.param_patt: i32 = value_param_pattern %n.patt, runtime_param0
// CHECK:STDOUT: %return.patt: i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param1
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int.make_type_32.loc21_15: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc21_15.1: type = value_of_initializer %int.make_type_32.loc21_15 [template = i32]
// CHECK:STDOUT: %.loc21_15.2: type = converted %int.make_type_32.loc21_15, %.loc21_15.1 [template = i32]
// CHECK:STDOUT: %int.make_type_32.loc21_23: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc21_23.1: type = value_of_initializer %int.make_type_32.loc21_23 [template = i32]
// CHECK:STDOUT: %.loc21_23.2: type = converted %int.make_type_32.loc21_23, %.loc21_23.1 [template = i32]
// CHECK:STDOUT: %n.param.loc21: i32 = value_param runtime_param0
// CHECK:STDOUT: %n.loc21: i32 = bind_name n, %n.param.loc21
// CHECK:STDOUT: %return.param.loc21: ref i32 = out_param runtime_param1
// CHECK:STDOUT: %return: ref i32 = return_slot %return.param.loc21
// CHECK:STDOUT: }
// CHECK:STDOUT: %Run.decl: %Run.type = fn_decl @Run [template = constants.%Run] {
// 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: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc25_13.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc25_13.2: type = converted %int.make_type_32, %.loc25_13.1 [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: class @Class {
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
// CHECK:STDOUT: %n.patt: i32 = binding_pattern n
// CHECK:STDOUT: %n.param_patt: i32 = value_param_pattern %n.patt, runtime_param0
// CHECK:STDOUT: %return.patt: i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param1
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int.make_type_32.loc12_11: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc12_11.1: type = value_of_initializer %int.make_type_32.loc12_11 [template = i32]
// CHECK:STDOUT: %.loc12_11.2: type = converted %int.make_type_32.loc12_11, %.loc12_11.1 [template = i32]
// CHECK:STDOUT: %int.make_type_32.loc12_19: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc12_19.1: type = value_of_initializer %int.make_type_32.loc12_19 [template = i32]
// CHECK:STDOUT: %.loc12_19.2: type = converted %int.make_type_32.loc12_19, %.loc12_19.1 [template = i32]
// CHECK:STDOUT: %n.param: i32 = value_param runtime_param0
// CHECK:STDOUT: %n: i32 = bind_name n, %n.param
// CHECK:STDOUT: %return.param: ref i32 = out_param runtime_param1
// CHECK:STDOUT: %return: ref i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {
// CHECK:STDOUT: %n.patt: i32 = binding_pattern n
// CHECK:STDOUT: %n.param_patt: i32 = value_param_pattern %n.patt, runtime_param0
// CHECK:STDOUT: %return.patt: i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: i32 = out_param_pattern %return.patt, runtime_param1
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int.make_type_32.loc16_11: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc16_11.1: type = value_of_initializer %int.make_type_32.loc16_11 [template = i32]
// CHECK:STDOUT: %.loc16_11.2: type = converted %int.make_type_32.loc16_11, %.loc16_11.1 [template = i32]
// CHECK:STDOUT: %int.make_type_32.loc16_19: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc16_19.1: type = value_of_initializer %int.make_type_32.loc16_19 [template = i32]
// CHECK:STDOUT: %.loc16_19.2: type = converted %int.make_type_32.loc16_19, %.loc16_19.1 [template = i32]
// CHECK:STDOUT: %n.param.loc16: i32 = value_param runtime_param0
// CHECK:STDOUT: %n.loc16: i32 = bind_name n, %n.param.loc16
// CHECK:STDOUT: %return.param.loc16: ref i32 = out_param runtime_param1
// CHECK:STDOUT: %.loc16_16: ref i32 = return_slot %return.param.loc16
// CHECK:STDOUT: }
// CHECK:STDOUT: %int.make_type_32: init type = call constants.%Int32() [template = i32]
// CHECK:STDOUT: %.loc18_10.1: type = value_of_initializer %int.make_type_32 [template = i32]
// CHECK:STDOUT: %.loc18_10.2: type = converted %int.make_type_32, %.loc18_10.1 [template = i32]
// CHECK:STDOUT: %.loc18_8: %.1 = field_decl k, element0 [template]
// CHECK:STDOUT: %.loc19: <witness> = complete_type_witness %.2 [template = constants.%.3]
// CHECK:STDOUT:
// CHECK:STDOUT: !members:
// CHECK:STDOUT: .Self = constants.%Class
// CHECK:STDOUT: .F = %F.decl
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: .k = %.loc18_8
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%n.param_patt: i32) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %n.ref: i32 = name_ref n, %n
// CHECK:STDOUT: return %n.ref
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G(%n.param_patt: i32) -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %n.ref: i32 = name_ref n, %n.loc21
// CHECK:STDOUT: return %n.ref
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Run() -> i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %Class.ref: type = name_ref Class, file.%Class.decl [template = constants.%Class]
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, @Class.%F.decl [template = constants.%F]
// CHECK:STDOUT: %.loc26_18.1: Core.IntLiteral = int_value 4 [template = constants.%.5]
// CHECK:STDOUT: %.loc26_18.2: %Convert.type.2 = interface_witness_access constants.%.29, element0 [template = constants.%Convert.15]
// CHECK:STDOUT: %.loc26_18.3: <bound method> = bound_method %.loc26_18.1, %.loc26_18.2 [template = constants.%.30]
// CHECK:STDOUT: %int.convert_checked: init i32 = call %.loc26_18.3(%.loc26_18.1) [template = constants.%.31]
// CHECK:STDOUT: %.loc26_18.4: i32 = value_of_initializer %int.convert_checked [template = constants.%.31]
// CHECK:STDOUT: %.loc26_18.5: i32 = converted %.loc26_18.1, %.loc26_18.4 [template = constants.%.31]
// CHECK:STDOUT: %F.call: init i32 = call %F.ref(%.loc26_18.5)
// CHECK:STDOUT: %.loc26_20.1: i32 = value_of_initializer %F.call
// CHECK:STDOUT: %.loc26_20.2: i32 = converted %F.call, %.loc26_20.1
// CHECK:STDOUT: return %.loc26_20.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
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