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67f2c9ce2693c5f64463e82ed43c7155b9a86e43
carbon-lang/toolchain/check/testdata/array/function_param.carbon
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josh11bJosh LRichard Smith
 67f2c9ce26 Add a FacetValue instruction (#4545) 
The new `FacetValue` instruction represents `C as I` for some type `C`
and facet type `I`. It is named `FacetValue` instead of just `Facet` to
parallel the `FacetType` instruction.

This PR uses this instruction represent the facet value `Self` in an
`impl` declaration. This instruction will be used in the future to also
support things like:

* `C as I` where `C` is a class; and
* forming a specific for a generic with a `T:! I` parameter where `T` is
being given a concrete value.

(Here `I` is an interface or other non-`type` facet type.)

Also do some renaming and add some comments to make things a bit more
clear.

* `FacetTypeAccess` -> `FacetAccessType` to clarify this is not access
of a facet type, but access of the type of a facet
* `.facet_id` -> `.facet_value_inst_id` to parallel the `FacetValue`
instruction

`FacetAccessWitness` will be in a future PR.

---------

Co-authored-by: Josh L <josh11b@users.noreply.github.com>
Co-authored-by: Richard Smith <richard@metafoo.co.uk>
2024-11-21 22:29:53 +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/function_param.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/array/function_param.carbon
fn F(arr: [i32; 3], i: i32) -> i32 {
return arr[i];
}
fn G() -> i32 {
return F((1, 2, 3), 1);
}
// CHECK:STDOUT: --- function_param.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %.1: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %Int.type: type = fn_type @Int [template]
// CHECK:STDOUT: %Int: %Int.type = struct_value () [template]
// CHECK:STDOUT: %i32: type = int_type signed, %.1 [template]
// CHECK:STDOUT: %.2: Core.IntLiteral = int_value 3 [template]
// CHECK:STDOUT: %.3: type = array_type %.2, %i32 [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: %.5: Core.IntLiteral = int_value 1 [template]
// CHECK:STDOUT: %.6: Core.IntLiteral = int_value 2 [template]
// CHECK:STDOUT: %tuple.type: type = tuple_type (Core.IntLiteral, Core.IntLiteral, Core.IntLiteral) [template]
// CHECK:STDOUT: %.7: Core.IntLiteral = int_value 0 [template]
// CHECK:STDOUT: %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
// CHECK:STDOUT: %Convert.type.14: type = fn_type @Convert.2, @impl.1(%.1) [template]
// CHECK:STDOUT: %Convert.14: %Convert.type.14 = struct_value () [template]
// CHECK:STDOUT: %.31: <witness> = interface_witness (%Convert.14) [template]
// CHECK:STDOUT: %.32: <bound method> = bound_method %.5, %Convert.14 [template]
// CHECK:STDOUT: %.33: <specific function> = specific_function %.32, @Convert.2(%.1) [template]
// CHECK:STDOUT: %.34: %i32 = int_value 1 [template]
// CHECK:STDOUT: %.35: <bound method> = bound_method %.6, %Convert.14 [template]
// CHECK:STDOUT: %.36: <specific function> = specific_function %.35, @Convert.2(%.1) [template]
// CHECK:STDOUT: %.37: %i32 = int_value 2 [template]
// CHECK:STDOUT: %.38: <bound method> = bound_method %.2, %Convert.14 [template]
// CHECK:STDOUT: %.39: <specific function> = specific_function %.38, @Convert.2(%.1) [template]
// CHECK:STDOUT: %.40: %i32 = int_value 3 [template]
// CHECK:STDOUT: %array: %.3 = tuple_value (%.34, %.37, %.40) [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.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: .F = %F.decl
// CHECK:STDOUT: .G = %G.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
// CHECK:STDOUT: %arr.patt: %.3 = binding_pattern arr
// CHECK:STDOUT: %arr.param_patt: %.3 = value_param_pattern %arr.patt, runtime_param0
// CHECK:STDOUT: %i.patt: %i32 = binding_pattern i
// CHECK:STDOUT: %i.param_patt: %i32 = value_param_pattern %i.patt, runtime_param1
// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param2
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc11_12.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc11_12: init type = call constants.%Int(%.loc11_12.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc11_17: Core.IntLiteral = int_value 3 [template = constants.%.2]
// CHECK:STDOUT: %.loc11_12.2: type = value_of_initializer %int.make_type_signed.loc11_12 [template = constants.%i32]
// CHECK:STDOUT: %.loc11_12.3: type = converted %int.make_type_signed.loc11_12, %.loc11_12.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc11_18: type = array_type %.loc11_17, %i32 [template = constants.%.3]
// CHECK:STDOUT: %.loc11_24.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc11_24: init type = call constants.%Int(%.loc11_24.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc11_24.2: type = value_of_initializer %int.make_type_signed.loc11_24 [template = constants.%i32]
// CHECK:STDOUT: %.loc11_24.3: type = converted %int.make_type_signed.loc11_24, %.loc11_24.2 [template = constants.%i32]
// CHECK:STDOUT: %.loc11_32.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc11_32: init type = call constants.%Int(%.loc11_32.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc11_32.2: type = value_of_initializer %int.make_type_signed.loc11_32 [template = constants.%i32]
// CHECK:STDOUT: %.loc11_32.3: type = converted %int.make_type_signed.loc11_32, %.loc11_32.2 [template = constants.%i32]
// CHECK:STDOUT: %arr.param: %.3 = value_param runtime_param0
// CHECK:STDOUT: %arr: %.3 = bind_name arr, %arr.param
// CHECK:STDOUT: %i.param: %i32 = value_param runtime_param1
// CHECK:STDOUT: %i: %i32 = bind_name i, %i.param
// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param2
// 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: %return.patt: %i32 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc15_11.1: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed: init type = call constants.%Int(%.loc15_11.1) [template = constants.%i32]
// CHECK:STDOUT: %.loc15_11.2: type = value_of_initializer %int.make_type_signed [template = constants.%i32]
// CHECK:STDOUT: %.loc15_11.3: type = converted %int.make_type_signed, %.loc15_11.2 [template = constants.%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: fn @F(%arr.param_patt: %.3, %i.param_patt: %i32) -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %arr.ref: %.3 = name_ref arr, %arr
// CHECK:STDOUT: %i.ref: %i32 = name_ref i, %i
// CHECK:STDOUT: %.loc12_15.1: ref %.3 = value_as_ref %arr.ref
// CHECK:STDOUT: %.loc12_15.2: ref %i32 = array_index %.loc12_15.1, %i.ref
// CHECK:STDOUT: %.loc12_15.3: %i32 = bind_value %.loc12_15.2
// CHECK:STDOUT: return %.loc12_15.3
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @G() -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, file.%F.decl [template = constants.%F]
// CHECK:STDOUT: %.loc16_13: Core.IntLiteral = int_value 1 [template = constants.%.5]
// CHECK:STDOUT: %.loc16_16: Core.IntLiteral = int_value 2 [template = constants.%.6]
// CHECK:STDOUT: %.loc16_19: Core.IntLiteral = int_value 3 [template = constants.%.2]
// CHECK:STDOUT: %.loc16_20.1: %tuple.type = tuple_literal (%.loc16_13, %.loc16_16, %.loc16_19)
// CHECK:STDOUT: %.loc16_23.1: Core.IntLiteral = int_value 1 [template = constants.%.5]
// CHECK:STDOUT: %.loc16_20.2: %Convert.type.2 = interface_witness_access constants.%.31, element0 [template = constants.%Convert.14]
// CHECK:STDOUT: %.loc16_20.3: <bound method> = bound_method %.loc16_13, %.loc16_20.2 [template = constants.%.32]
// CHECK:STDOUT: %.loc16_20.4: <specific function> = specific_function %.loc16_20.3, @Convert.2(constants.%.1) [template = constants.%.33]
// CHECK:STDOUT: %int.convert_checked.loc16_20.1: init %i32 = call %.loc16_20.4(%.loc16_13) [template = constants.%.34]
// CHECK:STDOUT: %.loc16_20.5: init %i32 = converted %.loc16_13, %int.convert_checked.loc16_20.1 [template = constants.%.34]
// CHECK:STDOUT: %.loc16_20.6: ref %.3 = temporary_storage
// CHECK:STDOUT: %.loc16_20.7: Core.IntLiteral = int_value 0 [template = constants.%.7]
// CHECK:STDOUT: %.loc16_20.8: ref %i32 = array_index %.loc16_20.6, %.loc16_20.7
// CHECK:STDOUT: %.loc16_20.9: init %i32 = initialize_from %.loc16_20.5 to %.loc16_20.8 [template = constants.%.34]
// CHECK:STDOUT: %.loc16_20.10: %Convert.type.2 = interface_witness_access constants.%.31, element0 [template = constants.%Convert.14]
// CHECK:STDOUT: %.loc16_20.11: <bound method> = bound_method %.loc16_16, %.loc16_20.10 [template = constants.%.35]
// CHECK:STDOUT: %.loc16_20.12: <specific function> = specific_function %.loc16_20.11, @Convert.2(constants.%.1) [template = constants.%.36]
// CHECK:STDOUT: %int.convert_checked.loc16_20.2: init %i32 = call %.loc16_20.12(%.loc16_16) [template = constants.%.37]
// CHECK:STDOUT: %.loc16_20.13: init %i32 = converted %.loc16_16, %int.convert_checked.loc16_20.2 [template = constants.%.37]
// CHECK:STDOUT: %.loc16_20.14: Core.IntLiteral = int_value 1 [template = constants.%.5]
// CHECK:STDOUT: %.loc16_20.15: ref %i32 = array_index %.loc16_20.6, %.loc16_20.14
// CHECK:STDOUT: %.loc16_20.16: init %i32 = initialize_from %.loc16_20.13 to %.loc16_20.15 [template = constants.%.37]
// CHECK:STDOUT: %.loc16_20.17: %Convert.type.2 = interface_witness_access constants.%.31, element0 [template = constants.%Convert.14]
// CHECK:STDOUT: %.loc16_20.18: <bound method> = bound_method %.loc16_19, %.loc16_20.17 [template = constants.%.38]
// CHECK:STDOUT: %.loc16_20.19: <specific function> = specific_function %.loc16_20.18, @Convert.2(constants.%.1) [template = constants.%.39]
// CHECK:STDOUT: %int.convert_checked.loc16_20.3: init %i32 = call %.loc16_20.19(%.loc16_19) [template = constants.%.40]
// CHECK:STDOUT: %.loc16_20.20: init %i32 = converted %.loc16_19, %int.convert_checked.loc16_20.3 [template = constants.%.40]
// CHECK:STDOUT: %.loc16_20.21: Core.IntLiteral = int_value 2 [template = constants.%.6]
// CHECK:STDOUT: %.loc16_20.22: ref %i32 = array_index %.loc16_20.6, %.loc16_20.21
// CHECK:STDOUT: %.loc16_20.23: init %i32 = initialize_from %.loc16_20.20 to %.loc16_20.22 [template = constants.%.40]
// CHECK:STDOUT: %.loc16_20.24: init %.3 = array_init (%.loc16_20.9, %.loc16_20.16, %.loc16_20.23) to %.loc16_20.6 [template = constants.%array]
// CHECK:STDOUT: %.loc16_20.25: init %.3 = converted %.loc16_20.1, %.loc16_20.24 [template = constants.%array]
// CHECK:STDOUT: %.loc16_20.26: ref %.3 = temporary %.loc16_20.6, %.loc16_20.25
// CHECK:STDOUT: %.loc16_20.27: %.3 = bind_value %.loc16_20.26
// CHECK:STDOUT: %.loc16_23.2: %Convert.type.2 = interface_witness_access constants.%.31, element0 [template = constants.%Convert.14]
// CHECK:STDOUT: %.loc16_23.3: <bound method> = bound_method %.loc16_23.1, %.loc16_23.2 [template = constants.%.32]
// CHECK:STDOUT: %.loc16_23.4: <specific function> = specific_function %.loc16_23.3, @Convert.2(constants.%.1) [template = constants.%.33]
// CHECK:STDOUT: %int.convert_checked.loc16_23: init %i32 = call %.loc16_23.4(%.loc16_23.1) [template = constants.%.34]
// CHECK:STDOUT: %.loc16_23.5: %i32 = value_of_initializer %int.convert_checked.loc16_23 [template = constants.%.34]
// CHECK:STDOUT: %.loc16_23.6: %i32 = converted %.loc16_23.1, %.loc16_23.5 [template = constants.%.34]
// CHECK:STDOUT: %F.call: init %i32 = call %F.ref(%.loc16_20.27, %.loc16_23.6)
// CHECK:STDOUT: %.loc16_25.1: %i32 = value_of_initializer %F.call
// CHECK:STDOUT: %.loc16_25.2: %i32 = converted %F.call, %.loc16_25.1
// CHECK:STDOUT: return %.loc16_25.2
// CHECK:STDOUT: }
// CHECK:STDOUT:
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