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a10c79569ee697bcab5144af4ed06a78b43849d0
carbon-lang/toolchain/check/testdata/array/array_vs_tuple.carbon
T
Richard Smith a10c79569e Model Core.Int as a class type (#4644) 
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.
2024-12-16 22:19:23 +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/array/array_vs_tuple.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/array/array_vs_tuple.carbon
fn G() {
// These should have two different constant values.
var a: [i32; 3] = (1, 2, 3);
var b: (i32, i32, i32) = (1, 2, 3);
}
// CHECK:STDOUT: --- array_vs_tuple.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %G.type: type = fn_type @G [template]
// CHECK:STDOUT: %G: %G.type = struct_value () [template]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT: %int_3.1: Core.IntLiteral = int_value 3 [template]
// CHECK:STDOUT: %array_type: type = array_type %int_3.1, %i32 [template]
// CHECK:STDOUT: %int_1.1: Core.IntLiteral = int_value 1 [template]
// CHECK:STDOUT: %int_2.1: Core.IntLiteral = int_value 2 [template]
// CHECK:STDOUT: %tuple.type.1: type = tuple_type (Core.IntLiteral, Core.IntLiteral, Core.IntLiteral) [template]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [template]
// CHECK:STDOUT: %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
// CHECK:STDOUT: %Convert.type.10: type = fn_type @Convert.2, @impl.1(%int_32) [template]
// CHECK:STDOUT: %Convert.10: %Convert.type.10 = struct_value () [template]
// CHECK:STDOUT: %interface.5: <witness> = interface_witness (%Convert.10) [template]
// CHECK:STDOUT: %Convert.bound.1: <bound method> = bound_method %int_1.1, %Convert.10 [template]
// CHECK:STDOUT: %Convert.specific_fn.1: <specific function> = specific_function %Convert.bound.1, @Convert.2(%int_32) [template]
// CHECK:STDOUT: %int_1.2: %i32 = int_value 1 [template]
// CHECK:STDOUT: %Convert.bound.2: <bound method> = bound_method %int_2.1, %Convert.10 [template]
// CHECK:STDOUT: %Convert.specific_fn.2: <specific function> = specific_function %Convert.bound.2, @Convert.2(%int_32) [template]
// CHECK:STDOUT: %int_2.2: %i32 = int_value 2 [template]
// CHECK:STDOUT: %Convert.bound.3: <bound method> = bound_method %int_3.1, %Convert.10 [template]
// CHECK:STDOUT: %Convert.specific_fn.3: <specific function> = specific_function %Convert.bound.3, @Convert.2(%int_32) [template]
// CHECK:STDOUT: %int_3.2: %i32 = int_value 3 [template]
// CHECK:STDOUT: %array: %array_type = tuple_value (%int_1.2, %int_2.2, %int_3.2) [template]
// CHECK:STDOUT: %tuple.type.2: type = tuple_type (type, type, type) [template]
// CHECK:STDOUT: %tuple.type.3: type = tuple_type (%i32, %i32, %i32) [template]
// CHECK:STDOUT: %tuple: %tuple.type.3 = tuple_value (%int_1.2, %int_2.2, %int_3.2) [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.5
// 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: .G = %G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %G.decl: %G.type = fn_decl @G [template = constants.%G] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_32.loc13: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT: %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT: %int_3.loc13_16: Core.IntLiteral = int_value 3 [template = constants.%int_3.1]
// CHECK:STDOUT: %array_type: type = array_type %int_3.loc13_16, %i32 [template = constants.%array_type]
// CHECK:STDOUT: %a.var: ref %array_type = var a
// CHECK:STDOUT: %a: ref %array_type = bind_name a, %a.var
// CHECK:STDOUT: %int_1.loc13_22: Core.IntLiteral = int_value 1 [template = constants.%int_1.1]
// CHECK:STDOUT: %int_2.loc13_25: Core.IntLiteral = int_value 2 [template = constants.%int_2.1]
// CHECK:STDOUT: %int_3.loc13_28: Core.IntLiteral = int_value 3 [template = constants.%int_3.1]
// CHECK:STDOUT: %.loc13_29.1: %tuple.type.1 = tuple_literal (%int_1.loc13_22, %int_2.loc13_25, %int_3.loc13_28)
// CHECK:STDOUT: %impl.elem0.loc13_29.1: %Convert.type.2 = interface_witness_access constants.%interface.5, element0 [template = constants.%Convert.10]
// CHECK:STDOUT: %Convert.bound.loc13_29.1: <bound method> = bound_method %int_1.loc13_22, %impl.elem0.loc13_29.1 [template = constants.%Convert.bound.1]
// CHECK:STDOUT: %Convert.specific_fn.loc13_29.1: <specific function> = specific_function %Convert.bound.loc13_29.1, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.1]
// CHECK:STDOUT: %int.convert_checked.loc13_29.1: init %i32 = call %Convert.specific_fn.loc13_29.1(%int_1.loc13_22) [template = constants.%int_1.2]
// CHECK:STDOUT: %.loc13_29.2: init %i32 = converted %int_1.loc13_22, %int.convert_checked.loc13_29.1 [template = constants.%int_1.2]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [template = constants.%int_0]
// CHECK:STDOUT: %.loc13_29.3: ref %i32 = array_index %a.var, %int_0
// CHECK:STDOUT: %.loc13_29.4: init %i32 = initialize_from %.loc13_29.2 to %.loc13_29.3 [template = constants.%int_1.2]
// CHECK:STDOUT: %impl.elem0.loc13_29.2: %Convert.type.2 = interface_witness_access constants.%interface.5, element0 [template = constants.%Convert.10]
// CHECK:STDOUT: %Convert.bound.loc13_29.2: <bound method> = bound_method %int_2.loc13_25, %impl.elem0.loc13_29.2 [template = constants.%Convert.bound.2]
// CHECK:STDOUT: %Convert.specific_fn.loc13_29.2: <specific function> = specific_function %Convert.bound.loc13_29.2, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.2]
// CHECK:STDOUT: %int.convert_checked.loc13_29.2: init %i32 = call %Convert.specific_fn.loc13_29.2(%int_2.loc13_25) [template = constants.%int_2.2]
// CHECK:STDOUT: %.loc13_29.5: init %i32 = converted %int_2.loc13_25, %int.convert_checked.loc13_29.2 [template = constants.%int_2.2]
// CHECK:STDOUT: %int_1.loc13_29: Core.IntLiteral = int_value 1 [template = constants.%int_1.1]
// CHECK:STDOUT: %.loc13_29.6: ref %i32 = array_index %a.var, %int_1.loc13_29
// CHECK:STDOUT: %.loc13_29.7: init %i32 = initialize_from %.loc13_29.5 to %.loc13_29.6 [template = constants.%int_2.2]
// CHECK:STDOUT: %impl.elem0.loc13_29.3: %Convert.type.2 = interface_witness_access constants.%interface.5, element0 [template = constants.%Convert.10]
// CHECK:STDOUT: %Convert.bound.loc13_29.3: <bound method> = bound_method %int_3.loc13_28, %impl.elem0.loc13_29.3 [template = constants.%Convert.bound.3]
// CHECK:STDOUT: %Convert.specific_fn.loc13_29.3: <specific function> = specific_function %Convert.bound.loc13_29.3, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.3]
// CHECK:STDOUT: %int.convert_checked.loc13_29.3: init %i32 = call %Convert.specific_fn.loc13_29.3(%int_3.loc13_28) [template = constants.%int_3.2]
// CHECK:STDOUT: %.loc13_29.8: init %i32 = converted %int_3.loc13_28, %int.convert_checked.loc13_29.3 [template = constants.%int_3.2]
// CHECK:STDOUT: %int_2.loc13_29: Core.IntLiteral = int_value 2 [template = constants.%int_2.1]
// CHECK:STDOUT: %.loc13_29.9: ref %i32 = array_index %a.var, %int_2.loc13_29
// CHECK:STDOUT: %.loc13_29.10: init %i32 = initialize_from %.loc13_29.8 to %.loc13_29.9 [template = constants.%int_3.2]
// CHECK:STDOUT: %.loc13_29.11: init %array_type = array_init (%.loc13_29.4, %.loc13_29.7, %.loc13_29.10) to %a.var [template = constants.%array]
// CHECK:STDOUT: %.loc13_30: init %array_type = converted %.loc13_29.1, %.loc13_29.11 [template = constants.%array]
// CHECK:STDOUT: assign %a.var, %.loc13_30
// CHECK:STDOUT: %int_32.loc14_11: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT: %i32.loc14_11: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT: %int_32.loc14_16: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT: %i32.loc14_16: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT: %int_32.loc14_21: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT: %i32.loc14_21: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT: %.loc14_24.1: %tuple.type.2 = tuple_literal (%i32.loc14_11, %i32.loc14_16, %i32.loc14_21)
// CHECK:STDOUT: %.loc14_24.2: type = converted %.loc14_24.1, constants.%tuple.type.3 [template = constants.%tuple.type.3]
// CHECK:STDOUT: %b.var: ref %tuple.type.3 = var b
// CHECK:STDOUT: %b: ref %tuple.type.3 = bind_name b, %b.var
// CHECK:STDOUT: %int_1.loc14: Core.IntLiteral = int_value 1 [template = constants.%int_1.1]
// CHECK:STDOUT: %int_2.loc14: Core.IntLiteral = int_value 2 [template = constants.%int_2.1]
// CHECK:STDOUT: %int_3.loc14: Core.IntLiteral = int_value 3 [template = constants.%int_3.1]
// CHECK:STDOUT: %.loc14_36.1: %tuple.type.1 = tuple_literal (%int_1.loc14, %int_2.loc14, %int_3.loc14)
// CHECK:STDOUT: %impl.elem0.loc14_36.1: %Convert.type.2 = interface_witness_access constants.%interface.5, element0 [template = constants.%Convert.10]
// CHECK:STDOUT: %Convert.bound.loc14_36.1: <bound method> = bound_method %int_1.loc14, %impl.elem0.loc14_36.1 [template = constants.%Convert.bound.1]
// CHECK:STDOUT: %Convert.specific_fn.loc14_36.1: <specific function> = specific_function %Convert.bound.loc14_36.1, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.1]
// CHECK:STDOUT: %int.convert_checked.loc14_36.1: init %i32 = call %Convert.specific_fn.loc14_36.1(%int_1.loc14) [template = constants.%int_1.2]
// CHECK:STDOUT: %.loc14_36.2: init %i32 = converted %int_1.loc14, %int.convert_checked.loc14_36.1 [template = constants.%int_1.2]
// CHECK:STDOUT: %tuple.elem0: ref %i32 = tuple_access %b.var, element0
// CHECK:STDOUT: %.loc14_36.3: init %i32 = initialize_from %.loc14_36.2 to %tuple.elem0 [template = constants.%int_1.2]
// CHECK:STDOUT: %impl.elem0.loc14_36.2: %Convert.type.2 = interface_witness_access constants.%interface.5, element0 [template = constants.%Convert.10]
// CHECK:STDOUT: %Convert.bound.loc14_36.2: <bound method> = bound_method %int_2.loc14, %impl.elem0.loc14_36.2 [template = constants.%Convert.bound.2]
// CHECK:STDOUT: %Convert.specific_fn.loc14_36.2: <specific function> = specific_function %Convert.bound.loc14_36.2, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.2]
// CHECK:STDOUT: %int.convert_checked.loc14_36.2: init %i32 = call %Convert.specific_fn.loc14_36.2(%int_2.loc14) [template = constants.%int_2.2]
// CHECK:STDOUT: %.loc14_36.4: init %i32 = converted %int_2.loc14, %int.convert_checked.loc14_36.2 [template = constants.%int_2.2]
// CHECK:STDOUT: %tuple.elem1: ref %i32 = tuple_access %b.var, element1
// CHECK:STDOUT: %.loc14_36.5: init %i32 = initialize_from %.loc14_36.4 to %tuple.elem1 [template = constants.%int_2.2]
// CHECK:STDOUT: %impl.elem0.loc14_36.3: %Convert.type.2 = interface_witness_access constants.%interface.5, element0 [template = constants.%Convert.10]
// CHECK:STDOUT: %Convert.bound.loc14_36.3: <bound method> = bound_method %int_3.loc14, %impl.elem0.loc14_36.3 [template = constants.%Convert.bound.3]
// CHECK:STDOUT: %Convert.specific_fn.loc14_36.3: <specific function> = specific_function %Convert.bound.loc14_36.3, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn.3]
// CHECK:STDOUT: %int.convert_checked.loc14_36.3: init %i32 = call %Convert.specific_fn.loc14_36.3(%int_3.loc14) [template = constants.%int_3.2]
// CHECK:STDOUT: %.loc14_36.6: init %i32 = converted %int_3.loc14, %int.convert_checked.loc14_36.3 [template = constants.%int_3.2]
// CHECK:STDOUT: %tuple.elem2: ref %i32 = tuple_access %b.var, element2
// CHECK:STDOUT: %.loc14_36.7: init %i32 = initialize_from %.loc14_36.6 to %tuple.elem2 [template = constants.%int_3.2]
// CHECK:STDOUT: %.loc14_36.8: init %tuple.type.3 = tuple_init (%.loc14_36.3, %.loc14_36.5, %.loc14_36.7) to %b.var [template = constants.%tuple]
// CHECK:STDOUT: %.loc14_37: init %tuple.type.3 = converted %.loc14_36.1, %.loc14_36.8 [template = constants.%tuple]
// CHECK:STDOUT: assign %b.var, %.loc14_37
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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