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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
a10c79569e
Instead of treating `Core.Int` as the toolchain's builtin `IntType`, model it as a class that adapts the builtin type. This aligns us better with the intended language model, gives an associated library for `impl`s involving `Core.Int` to live within, and opens the door adding member functions to `Core.Int` if we decide that is desirable. Remarkably it also seems to make the formatted SemIR a little smaller, because a call to a generic class generates less IR than a call to a function.
72 lines
4.0 KiB
Plaintext
72 lines
4.0 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/as/basic.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/as/basic.carbon
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fn Main() -> i32 {
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return 1 as i32;
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}
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// CHECK:STDOUT: --- basic.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
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// CHECK:STDOUT: %Main.type: type = fn_type @Main [template]
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// CHECK:STDOUT: %Main: %Main.type = struct_value () [template]
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// CHECK:STDOUT: %int_1.1: Core.IntLiteral = int_value 1 [template]
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// CHECK:STDOUT: %Convert.type.2: type = fn_type @Convert.1, @As(%i32) [template]
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// CHECK:STDOUT: %Convert.type.10: type = fn_type @Convert.5, @impl.3(%int_32) [template]
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// CHECK:STDOUT: %Convert.10: %Convert.type.10 = struct_value () [template]
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// CHECK:STDOUT: %interface.5: <witness> = interface_witness (%Convert.10) [template]
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// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_1.1, %Convert.10 [template]
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// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.5(%int_32) [template]
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// CHECK:STDOUT: %int_1.2: %i32 = int_value 1 [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
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// CHECK:STDOUT: .Int = %import_ref.1
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// CHECK:STDOUT: .As = %import_ref.5
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// CHECK:STDOUT: import Core//prelude
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// CHECK:STDOUT: import Core//prelude/...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .Main = %Main.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %Main.decl: %Main.type = fn_decl @Main [template = constants.%Main] {
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// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32.loc11: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32.loc11: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param0
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// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @Main() -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [template = constants.%int_1.1]
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// CHECK:STDOUT: %int_32.loc12: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32.loc12: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %impl.elem0: %Convert.type.2 = interface_witness_access constants.%interface.5, element0 [template = constants.%Convert.10]
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// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_1, %impl.elem0 [template = constants.%Convert.bound]
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// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.5(constants.%int_32) [template = constants.%Convert.specific_fn]
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// CHECK:STDOUT: %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_1) [template = constants.%int_1.2]
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// CHECK:STDOUT: %.loc12_12.1: %i32 = value_of_initializer %int.convert_checked [template = constants.%int_1.2]
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// CHECK:STDOUT: %.loc12_12.2: %i32 = converted %int_1, %.loc12_12.1 [template = constants.%int_1.2]
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// CHECK:STDOUT: return %.loc12_12.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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