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carbon-lang/toolchain/check/testdata/const/import.carbon
T
Geoff RomerandJon Ross-Perkins 4f816dd03f Remove param_refs and implicit_param_refs (#4479) 
This introduces `calling_convention_param_ids`, a single block that
consolidates all the information that was being used by consumers of
`param_refs` and `implicit_param_refs`, in a form that's easier to
produce and typically easier to consume.

See also [this Discord
discussion](https://discord.com/channels/655572317891461132/655578254970716160/1300545448909738125)
regarding the decision to keep the return slot last in the SemIR calling
convention, even though it goes first in the LLVM calling convention.

---------

Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
2024-11-22 18:34:21 +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/const/import.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/const/import.carbon
// --- implicit.carbon
package Implicit;
fn F() -> const i32;
var a_ref: const i32 = F();
var a_ptr_ref: const i32* = &a_ref;
// --- implicit.impl.carbon
impl package Implicit;
// Take a reference to avoid unsupported copy logic. This still validates the
// `const` is handled.
var a: const i32* = &a_ref;
var a_ptr: const i32* = a_ptr_ref;
// CHECK:STDOUT: --- implicit.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: type = const_type %i32 [template]
// CHECK:STDOUT: %F.type: type = fn_type @F [template]
// CHECK:STDOUT: %F: %F.type = struct_value () [template]
// CHECK:STDOUT: %.3: type = ptr_type %.2 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %import_ref
// 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: .a_ref = %a_ref
// CHECK:STDOUT: .a_ptr_ref = %a_ptr_ref
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
// CHECK:STDOUT: %return.patt: %.2 = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: %.2 = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %.loc4_17: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed: init type = call constants.%Int(%.loc4_17) [template = constants.%i32]
// CHECK:STDOUT: %.loc4_11.1: type = value_of_initializer %int.make_type_signed [template = constants.%i32]
// CHECK:STDOUT: %.loc4_11.2: type = converted %int.make_type_signed, %.loc4_11.1 [template = constants.%i32]
// CHECK:STDOUT: %.loc4_11.3: type = const_type %i32 [template = constants.%.2]
// CHECK:STDOUT: %return.param: ref %.2 = out_param runtime_param0
// CHECK:STDOUT: %return: ref %.2 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %.loc6_18: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc6: init type = call constants.%Int(%.loc6_18) [template = constants.%i32]
// CHECK:STDOUT: %.loc6_12.1: type = value_of_initializer %int.make_type_signed.loc6 [template = constants.%i32]
// CHECK:STDOUT: %.loc6_12.2: type = converted %int.make_type_signed.loc6, %.loc6_12.1 [template = constants.%i32]
// CHECK:STDOUT: %.loc6_12.3: type = const_type %i32 [template = constants.%.2]
// CHECK:STDOUT: %a_ref.var: ref %.2 = var a_ref
// CHECK:STDOUT: %a_ref: ref %.2 = bind_name a_ref, %a_ref.var
// CHECK:STDOUT: %.loc7_22: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc7: init type = call constants.%Int(%.loc7_22) [template = constants.%i32]
// CHECK:STDOUT: %.loc7_16.1: type = value_of_initializer %int.make_type_signed.loc7 [template = constants.%i32]
// CHECK:STDOUT: %.loc7_16.2: type = converted %int.make_type_signed.loc7, %.loc7_16.1 [template = constants.%i32]
// CHECK:STDOUT: %.loc7_16.3: type = const_type %i32 [template = constants.%.2]
// CHECK:STDOUT: %.loc7_25: type = ptr_type %.2 [template = constants.%.3]
// CHECK:STDOUT: %a_ptr_ref.var: ref %.3 = var a_ptr_ref
// CHECK:STDOUT: %a_ptr_ref: ref %.3 = bind_name a_ptr_ref, %a_ptr_ref.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() -> %.2;
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, file.%F.decl [template = constants.%F]
// CHECK:STDOUT: %F.call: init %.2 = call %F.ref()
// CHECK:STDOUT: assign file.%a_ref.var, %F.call
// CHECK:STDOUT: %a_ref.ref: ref %.2 = name_ref a_ref, file.%a_ref
// CHECK:STDOUT: %.loc7: %.3 = addr_of %a_ref.ref
// CHECK:STDOUT: assign file.%a_ptr_ref.var, %.loc7
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- implicit.impl.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: type = const_type %i32 [template]
// CHECK:STDOUT: %.3: type = ptr_type %.2 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %import_ref.1 = import_ref Implicit//default, inst+25, unloaded
// CHECK:STDOUT: %import_ref.2: ref %.2 = import_ref Implicit//default, inst+34, loaded
// CHECK:STDOUT: %import_ref.3: ref %.3 = import_ref Implicit//default, inst+46, loaded
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %import_ref.4
// 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: .F = imports.%import_ref.1
// CHECK:STDOUT: .a_ref = imports.%import_ref.2
// CHECK:STDOUT: .a_ptr_ref = imports.%import_ref.3
// CHECK:STDOUT: .Core = imports.%Core
// CHECK:STDOUT: .a = %a
// CHECK:STDOUT: .a_ptr = %a_ptr
// CHECK:STDOUT: }
// CHECK:STDOUT: %Implicit.import = import Implicit
// CHECK:STDOUT: %default.import = import <invalid>
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %.loc6_14: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc6: init type = call constants.%Int(%.loc6_14) [template = constants.%i32]
// CHECK:STDOUT: %.loc6_8.1: type = value_of_initializer %int.make_type_signed.loc6 [template = constants.%i32]
// CHECK:STDOUT: %.loc6_8.2: type = converted %int.make_type_signed.loc6, %.loc6_8.1 [template = constants.%i32]
// CHECK:STDOUT: %.loc6_8.3: type = const_type %i32 [template = constants.%.2]
// CHECK:STDOUT: %.loc6_17: type = ptr_type %.2 [template = constants.%.3]
// CHECK:STDOUT: %a.var: ref %.3 = var a
// CHECK:STDOUT: %a: ref %.3 = bind_name a, %a.var
// CHECK:STDOUT: %.loc7_18: Core.IntLiteral = int_value 32 [template = constants.%.1]
// CHECK:STDOUT: %int.make_type_signed.loc7: init type = call constants.%Int(%.loc7_18) [template = constants.%i32]
// CHECK:STDOUT: %.loc7_12.1: type = value_of_initializer %int.make_type_signed.loc7 [template = constants.%i32]
// CHECK:STDOUT: %.loc7_12.2: type = converted %int.make_type_signed.loc7, %.loc7_12.1 [template = constants.%i32]
// CHECK:STDOUT: %.loc7_12.3: type = const_type %i32 [template = constants.%.2]
// CHECK:STDOUT: %.loc7_21: type = ptr_type %.2 [template = constants.%.3]
// CHECK:STDOUT: %a_ptr.var: ref %.3 = var a_ptr
// CHECK:STDOUT: %a_ptr: ref %.3 = bind_name a_ptr, %a_ptr.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @__global_init() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a_ref.ref: ref %.2 = name_ref a_ref, imports.%import_ref.2
// CHECK:STDOUT: %.loc6: %.3 = addr_of %a_ref.ref
// CHECK:STDOUT: assign file.%a.var, %.loc6
// CHECK:STDOUT: %a_ptr_ref.ref: ref %.3 = name_ref a_ptr_ref, imports.%import_ref.3
// CHECK:STDOUT: %.loc7: %.3 = bind_value %a_ptr_ref.ref
// CHECK:STDOUT: assign file.%a_ptr.var, %.loc7
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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