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carbon-lang/toolchain/check/testdata/array/assign_var.carbon
T
Dana Jansensandzygoloid 24bde46181 Change array syntax from [T; N] to array(T, N) (#4981) 
In line with the proposal in #4682, this changes the array syntax to be
array(T, N). `array` is a builtin keyword which must be followed by
parens containing two expressions and a separating comma.

The array type expression is still fully builtin, it does not forward to
a Core.Array library type yet. It merely adds the `ArrayType`
instruction, as was done with the previous syntax.

Followup work will change the instruction to reference to Core.Array,
once the library type exists and can be used directly.

---------

Co-authored-by: zygoloid <richard@metafoo.co.uk>
2025-02-20 22:42:47 +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/assign_var.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/array/assign_var.carbon
var a: (i32, i32, i32) = (1, 2, 3);
var b: array(i32, 3) = a;
// CHECK:STDOUT: --- assign_var.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %tuple.type.ff9: type = tuple_type (type, type, type) [concrete]
// CHECK:STDOUT: %tuple.type.189: type = tuple_type (%i32, %i32, %i32) [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT: %int_3.1ba: Core.IntLiteral = int_value 3 [concrete]
// CHECK:STDOUT: %tuple.type.37f: type = tuple_type (Core.IntLiteral, Core.IntLiteral, Core.IntLiteral) [concrete]
// CHECK:STDOUT: %ImplicitAs.type.205: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT: %Convert.type.1b6: type = fn_type @Convert.1, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT: %impl_witness.d39: <witness> = impl_witness (imports.%Core.import_ref.a5b), @impl.1(%int_32) [concrete]
// CHECK:STDOUT: %Convert.type.035: type = fn_type @Convert.2, @impl.1(%int_32) [concrete]
// CHECK:STDOUT: %Convert.956: %Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, %impl_witness.d39 [concrete]
// CHECK:STDOUT: %.a0b: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT: %Convert.specific_fn.70c: <specific function> = specific_function %Convert.bound.ab5, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %Convert.bound.ef9: <bound method> = bound_method %int_2.ecc, %Convert.956 [concrete]
// CHECK:STDOUT: %Convert.specific_fn.787: <specific function> = specific_function %Convert.bound.ef9, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT: %int_2.ef8: %i32 = int_value 2 [concrete]
// CHECK:STDOUT: %Convert.bound.b30: <bound method> = bound_method %int_3.1ba, %Convert.956 [concrete]
// CHECK:STDOUT: %Convert.specific_fn.b42: <specific function> = specific_function %Convert.bound.b30, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT: %int_3.822: %i32 = int_value 3 [concrete]
// CHECK:STDOUT: %tuple: %tuple.type.189 = tuple_value (%int_1.5d2, %int_2.ef8, %int_3.822) [concrete]
// CHECK:STDOUT: %array_type: type = array_type %int_3.1ba, %i32 [concrete]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .a = %a
// CHECK:STDOUT: .b = %b
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %tuple.type.189 = binding_pattern a
// CHECK:STDOUT: %.loc11_1: %tuple.type.189 = var_pattern %a.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref %tuple.type.189 = var a
// CHECK:STDOUT: %.loc11_22.1: type = splice_block %.loc11_22.3 [concrete = constants.%tuple.type.189] {
// CHECK:STDOUT: %int_32.loc11_9: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc11_9: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %int_32.loc11_14: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc11_14: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %int_32.loc11_19: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc11_19: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc11_22.2: %tuple.type.ff9 = tuple_literal (%i32.loc11_9, %i32.loc11_14, %i32.loc11_19)
// CHECK:STDOUT: %.loc11_22.3: type = converted %.loc11_22.2, constants.%tuple.type.189 [concrete = constants.%tuple.type.189]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %tuple.type.189 = bind_name a, %a.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %b.patt: %array_type = binding_pattern b
// CHECK:STDOUT: %.loc12_1: %array_type = var_pattern %b.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %b.var: ref %array_type = var b
// CHECK:STDOUT: %.loc12_20: type = splice_block %array_type [concrete = constants.%array_type] {
// CHECK:STDOUT: %int_32.loc12: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc12: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [concrete = constants.%int_3.1ba]
// CHECK:STDOUT: %array_type: type = array_type %int_3, %i32 [concrete = constants.%array_type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %b: ref %array_type = bind_name b, %b.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_1.loc11: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %int_2.loc11: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [concrete = constants.%int_3.1ba]
// CHECK:STDOUT: %.loc11_34.1: %tuple.type.37f = tuple_literal (%int_1.loc11, %int_2.loc11, %int_3)
// CHECK:STDOUT: %impl.elem0.loc11_34.1: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method.loc11_34.1: <bound method> = bound_method %int_1.loc11, %impl.elem0.loc11_34.1 [concrete = constants.%Convert.bound.ab5]
// CHECK:STDOUT: %specific_fn.loc11_34.1: <specific function> = specific_function %bound_method.loc11_34.1, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn.70c]
// CHECK:STDOUT: %int.convert_checked.loc11_34.1: init %i32 = call %specific_fn.loc11_34.1(%int_1.loc11) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc11_34.2: init %i32 = converted %int_1.loc11, %int.convert_checked.loc11_34.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %tuple.elem0.loc11: ref %i32 = tuple_access file.%a.var, element0
// CHECK:STDOUT: %.loc11_34.3: init %i32 = initialize_from %.loc11_34.2 to %tuple.elem0.loc11 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %impl.elem0.loc11_34.2: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method.loc11_34.2: <bound method> = bound_method %int_2.loc11, %impl.elem0.loc11_34.2 [concrete = constants.%Convert.bound.ef9]
// CHECK:STDOUT: %specific_fn.loc11_34.2: <specific function> = specific_function %bound_method.loc11_34.2, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn.787]
// CHECK:STDOUT: %int.convert_checked.loc11_34.2: init %i32 = call %specific_fn.loc11_34.2(%int_2.loc11) [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc11_34.4: init %i32 = converted %int_2.loc11, %int.convert_checked.loc11_34.2 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %tuple.elem1.loc11: ref %i32 = tuple_access file.%a.var, element1
// CHECK:STDOUT: %.loc11_34.5: init %i32 = initialize_from %.loc11_34.4 to %tuple.elem1.loc11 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %impl.elem0.loc11_34.3: %.a0b = impl_witness_access constants.%impl_witness.d39, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method.loc11_34.3: <bound method> = bound_method %int_3, %impl.elem0.loc11_34.3 [concrete = constants.%Convert.bound.b30]
// CHECK:STDOUT: %specific_fn.loc11_34.3: <specific function> = specific_function %bound_method.loc11_34.3, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn.b42]
// CHECK:STDOUT: %int.convert_checked.loc11_34.3: init %i32 = call %specific_fn.loc11_34.3(%int_3) [concrete = constants.%int_3.822]
// CHECK:STDOUT: %.loc11_34.6: init %i32 = converted %int_3, %int.convert_checked.loc11_34.3 [concrete = constants.%int_3.822]
// CHECK:STDOUT: %tuple.elem2.loc11: ref %i32 = tuple_access file.%a.var, element2
// CHECK:STDOUT: %.loc11_34.7: init %i32 = initialize_from %.loc11_34.6 to %tuple.elem2.loc11 [concrete = constants.%int_3.822]
// CHECK:STDOUT: %.loc11_34.8: init %tuple.type.189 = tuple_init (%.loc11_34.3, %.loc11_34.5, %.loc11_34.7) to file.%a.var [concrete = constants.%tuple]
// CHECK:STDOUT: %.loc11_1: init %tuple.type.189 = converted %.loc11_34.1, %.loc11_34.8 [concrete = constants.%tuple]
// CHECK:STDOUT: assign file.%a.var, %.loc11_1
// CHECK:STDOUT: %a.ref: ref %tuple.type.189 = name_ref a, file.%a
// CHECK:STDOUT: %tuple.elem0.loc12: ref %i32 = tuple_access %a.ref, element0
// CHECK:STDOUT: %.loc12_24.1: %i32 = bind_value %tuple.elem0.loc12
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0]
// CHECK:STDOUT: %.loc12_24.2: ref %i32 = array_index file.%b.var, %int_0
// CHECK:STDOUT: %.loc12_24.3: init %i32 = initialize_from %.loc12_24.1 to %.loc12_24.2
// CHECK:STDOUT: %tuple.elem1.loc12: ref %i32 = tuple_access %a.ref, element1
// CHECK:STDOUT: %.loc12_24.4: %i32 = bind_value %tuple.elem1.loc12
// CHECK:STDOUT: %int_1.loc12: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %.loc12_24.5: ref %i32 = array_index file.%b.var, %int_1.loc12
// CHECK:STDOUT: %.loc12_24.6: init %i32 = initialize_from %.loc12_24.4 to %.loc12_24.5
// CHECK:STDOUT: %tuple.elem2.loc12: ref %i32 = tuple_access %a.ref, element2
// CHECK:STDOUT: %.loc12_24.7: %i32 = bind_value %tuple.elem2.loc12
// CHECK:STDOUT: %int_2.loc12: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
// CHECK:STDOUT: %.loc12_24.8: ref %i32 = array_index file.%b.var, %int_2.loc12
// CHECK:STDOUT: %.loc12_24.9: init %i32 = initialize_from %.loc12_24.7 to %.loc12_24.8
// CHECK:STDOUT: %.loc12_24.10: init %array_type = array_init (%.loc12_24.3, %.loc12_24.6, %.loc12_24.9) to file.%b.var
// CHECK:STDOUT: %.loc12_1: init %array_type = converted %a.ref, %.loc12_24.10
// CHECK:STDOUT: assign file.%b.var, %.loc12_1
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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