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carbon-lang/toolchain/check/testdata/index/array_element_access.carbon
T
Richard SmithandDana Jansens bba32900c3 Preserve type sugar in ArrayType, ConstType, and PointerType. (#5235) 
Each of these types takes another type as an operand. Instead of storing
that other type as a `TypeId`, store it as an `InstId` so that we can
track how it was written, not only its canonical form.

The canonical constant values of these types continue to store the
canonical constant values of their operands, as normal.

---------

Co-authored-by: Dana Jansens <danakj@orodu.net>
2025-04-03 21:14:03 +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/index/array_element_access.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/index/array_element_access.carbon
var a: array(i32, 2) = (12, 24);
var b: i32 = 1;
var c: i32 = a[0];
var d: i32 = a[b];
// CHECK:STDOUT: --- array_element_access.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: %int_2: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT: %array_type: type = array_type %int_2, %i32 [concrete]
// CHECK:STDOUT: %int_12.6a3: Core.IntLiteral = int_value 12 [concrete]
// CHECK:STDOUT: %int_24.e3c: Core.IntLiteral = int_value 24 [concrete]
// CHECK:STDOUT: %tuple.type: type = tuple_type (Core.IntLiteral, Core.IntLiteral) [concrete]
// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [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.4f9(%int_32) [concrete]
// CHECK:STDOUT: %Convert.type.035: type = fn_type @Convert.2, @impl.4f9(%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: %.be7: type = fn_type_with_self_type %Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Convert.bound.221: <bound method> = bound_method %int_12.6a3, %Convert.956 [concrete]
// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.956, @Convert.2(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.dae: <bound method> = bound_method %int_12.6a3, %Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_12.1e1: %i32 = int_value 12 [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %Convert.bound.ef4: <bound method> = bound_method %int_24.e3c, %Convert.956 [concrete]
// CHECK:STDOUT: %bound_method.477: <bound method> = bound_method %int_24.e3c, %Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_24.365: %i32 = int_value 24 [concrete]
// CHECK:STDOUT: %array: %array_type = tuple_value (%int_12.1e1, %int_24.365) [concrete]
// CHECK:STDOUT: %Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Convert.956 [concrete]
// CHECK:STDOUT: %bound_method.9a1: <bound method> = bound_method %int_1.5b8, %Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %Convert.bound.d04: <bound method> = bound_method %int_0.5c6, %Convert.956 [concrete]
// CHECK:STDOUT: %bound_method.b6e: <bound method> = bound_method %int_0.5c6, %Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_0.6a9: %i32 = 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: .c = %c
// CHECK:STDOUT: .d = %d
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %a.patt: %array_type = binding_pattern a
// CHECK:STDOUT: %.loc11_1: %array_type = var_pattern %a.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %a.var: ref %array_type = var a
// CHECK:STDOUT: %.loc11_20: type = splice_block %array_type [concrete = constants.%array_type] {
// CHECK:STDOUT: %int_32.loc11: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc11: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2]
// CHECK:STDOUT: %array_type: type = array_type %int_2, %i32.loc11 [concrete = constants.%array_type]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: ref %array_type = bind_name a, %a.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %b.patt: %i32 = binding_pattern b
// CHECK:STDOUT: %.loc12_1: %i32 = var_pattern %b.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %b.var: ref %i32 = var b
// CHECK:STDOUT: %.loc12_8: type = splice_block %i32.loc12 [concrete = constants.%i32] {
// 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: }
// CHECK:STDOUT: %b: ref %i32 = bind_name b, %b.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %c.patt: %i32 = binding_pattern c
// CHECK:STDOUT: %.loc13_1: %i32 = var_pattern %c.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %c.var: ref %i32 = var c
// CHECK:STDOUT: %.loc13_8: type = splice_block %i32.loc13 [concrete = constants.%i32] {
// CHECK:STDOUT: %int_32.loc13: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %c: ref %i32 = bind_name c, %c.var
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %d.patt: %i32 = binding_pattern d
// CHECK:STDOUT: %.loc14_1: %i32 = var_pattern %d.patt
// CHECK:STDOUT: }
// CHECK:STDOUT: %d.var: ref %i32 = var d
// CHECK:STDOUT: %.loc14_8: type = splice_block %i32.loc14 [concrete = constants.%i32] {
// CHECK:STDOUT: %int_32.loc14: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc14: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %d: ref %i32 = bind_name d, %d.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %int_12: Core.IntLiteral = int_value 12 [concrete = constants.%int_12.6a3]
// CHECK:STDOUT: %int_24: Core.IntLiteral = int_value 24 [concrete = constants.%int_24.e3c]
// CHECK:STDOUT: %.loc11_31.1: %tuple.type = tuple_literal (%int_12, %int_24)
// CHECK:STDOUT: %impl.elem0.loc11_31.1: %.be7 = impl_witness_access constants.%impl_witness.d39, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method.loc11_31.1: <bound method> = bound_method %int_12, %impl.elem0.loc11_31.1 [concrete = constants.%Convert.bound.221]
// CHECK:STDOUT: %specific_fn.loc11_31.1: <specific function> = specific_function %impl.elem0.loc11_31.1, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc11_31.2: <bound method> = bound_method %int_12, %specific_fn.loc11_31.1 [concrete = constants.%bound_method.dae]
// CHECK:STDOUT: %int.convert_checked.loc11_31.1: init %i32 = call %bound_method.loc11_31.2(%int_12) [concrete = constants.%int_12.1e1]
// CHECK:STDOUT: %.loc11_31.2: init %i32 = converted %int_12, %int.convert_checked.loc11_31.1 [concrete = constants.%int_12.1e1]
// CHECK:STDOUT: %int_0.loc11: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %.loc11_31.3: ref %i32 = array_index file.%a.var, %int_0.loc11
// CHECK:STDOUT: %.loc11_31.4: init %i32 = initialize_from %.loc11_31.2 to %.loc11_31.3 [concrete = constants.%int_12.1e1]
// CHECK:STDOUT: %impl.elem0.loc11_31.2: %.be7 = impl_witness_access constants.%impl_witness.d39, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method.loc11_31.3: <bound method> = bound_method %int_24, %impl.elem0.loc11_31.2 [concrete = constants.%Convert.bound.ef4]
// CHECK:STDOUT: %specific_fn.loc11_31.2: <specific function> = specific_function %impl.elem0.loc11_31.2, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc11_31.4: <bound method> = bound_method %int_24, %specific_fn.loc11_31.2 [concrete = constants.%bound_method.477]
// CHECK:STDOUT: %int.convert_checked.loc11_31.2: init %i32 = call %bound_method.loc11_31.4(%int_24) [concrete = constants.%int_24.365]
// CHECK:STDOUT: %.loc11_31.5: init %i32 = converted %int_24, %int.convert_checked.loc11_31.2 [concrete = constants.%int_24.365]
// CHECK:STDOUT: %int_1.loc11: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %.loc11_31.6: ref %i32 = array_index file.%a.var, %int_1.loc11
// CHECK:STDOUT: %.loc11_31.7: init %i32 = initialize_from %.loc11_31.5 to %.loc11_31.6 [concrete = constants.%int_24.365]
// CHECK:STDOUT: %.loc11_31.8: init %array_type = array_init (%.loc11_31.4, %.loc11_31.7) to file.%a.var [concrete = constants.%array]
// CHECK:STDOUT: %.loc11_1: init %array_type = converted %.loc11_31.1, %.loc11_31.8 [concrete = constants.%array]
// CHECK:STDOUT: assign file.%a.var, %.loc11_1
// CHECK:STDOUT: %int_1.loc12: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %impl.elem0.loc12: %.be7 = impl_witness_access constants.%impl_witness.d39, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method.loc12_1.1: <bound method> = bound_method %int_1.loc12, %impl.elem0.loc12 [concrete = constants.%Convert.bound.ab5]
// CHECK:STDOUT: %specific_fn.loc12: <specific function> = specific_function %impl.elem0.loc12, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc12_1.2: <bound method> = bound_method %int_1.loc12, %specific_fn.loc12 [concrete = constants.%bound_method.9a1]
// CHECK:STDOUT: %int.convert_checked.loc12: init %i32 = call %bound_method.loc12_1.2(%int_1.loc12) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc12: init %i32 = converted %int_1.loc12, %int.convert_checked.loc12 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: assign file.%b.var, %.loc12
// CHECK:STDOUT: %a.ref.loc13: ref %array_type = name_ref a, file.%a
// CHECK:STDOUT: %int_0.loc13: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT: %int_32.loc13: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc13: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %impl.elem0.loc13: %.be7 = impl_witness_access constants.%impl_witness.d39, element0 [concrete = constants.%Convert.956]
// CHECK:STDOUT: %bound_method.loc13_16.1: <bound method> = bound_method %int_0.loc13, %impl.elem0.loc13 [concrete = constants.%Convert.bound.d04]
// CHECK:STDOUT: %specific_fn.loc13: <specific function> = specific_function %impl.elem0.loc13, @Convert.2(constants.%int_32) [concrete = constants.%Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc13_16.2: <bound method> = bound_method %int_0.loc13, %specific_fn.loc13 [concrete = constants.%bound_method.b6e]
// CHECK:STDOUT: %int.convert_checked.loc13: init %i32 = call %bound_method.loc13_16.2(%int_0.loc13) [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc13_16.1: %i32 = value_of_initializer %int.convert_checked.loc13 [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc13_16.2: %i32 = converted %int_0.loc13, %.loc13_16.1 [concrete = constants.%int_0.6a9]
// CHECK:STDOUT: %.loc13_17.1: ref %i32 = array_index %a.ref.loc13, %.loc13_16.2
// CHECK:STDOUT: %.loc13_17.2: %i32 = bind_value %.loc13_17.1
// CHECK:STDOUT: assign file.%c.var, %.loc13_17.2
// CHECK:STDOUT: %a.ref.loc14: ref %array_type = name_ref a, file.%a
// CHECK:STDOUT: %b.ref: ref %i32 = name_ref b, file.%b
// CHECK:STDOUT: %int_32.loc14: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc14: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc14_16: %i32 = bind_value %b.ref
// CHECK:STDOUT: %.loc14_17.1: ref %i32 = array_index %a.ref.loc14, %.loc14_16
// CHECK:STDOUT: %.loc14_17.2: %i32 = bind_value %.loc14_17.1
// CHECK:STDOUT: assign file.%d.var, %.loc14_17.2
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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