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carbon-lang/toolchain/check/testdata/const/import.carbon
T
Richard SmithandDana Jansens 19182f08aa Compute a fingerprint for constants and import_ref instructions. (#4763)
Use it in the instruction namer to make instruction names more stable
across unrelated changes to the toolchain or the prelude.

---------

Co-authored-by: Dana Jansens <danakj@orodu.net>
2025-01-07 20:41:44 +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: %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT: %const: type = const_type %i32 [template]
// CHECK:STDOUT: %F.type: type = fn_type @F [template]
// CHECK:STDOUT: %F: %F.type = struct_value () [template]
// CHECK:STDOUT: %ptr: type = ptr_type %const [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %import_ref.187
// 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: %const = return_slot_pattern
// CHECK:STDOUT: %return.param_patt: %const = out_param_pattern %return.patt, runtime_param0
// CHECK:STDOUT: } {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
// CHECK:STDOUT: %const: type = const_type %i32 [template = constants.%const]
// CHECK:STDOUT: %return.param: ref %const = out_param runtime_param0
// CHECK:STDOUT: %return: ref %const = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %a_ref.var: ref %const = var a_ref
// CHECK:STDOUT: %a_ref: ref %const = bind_name a_ref, %a_ref.var
// CHECK:STDOUT: %a_ptr_ref.var: ref %ptr = var a_ptr_ref
// CHECK:STDOUT: %a_ptr_ref: ref %ptr = bind_name a_ptr_ref, %a_ptr_ref.var
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() -> %const;
// 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 %const = call %F.ref()
// CHECK:STDOUT: assign file.%a_ref.var, %F.call
// CHECK:STDOUT: %a_ref.ref: ref %const = name_ref a_ref, file.%a_ref
// CHECK:STDOUT: %addr: %ptr = addr_of %a_ref.ref
// CHECK:STDOUT: assign file.%a_ptr_ref.var, %addr
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- implicit.impl.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
// CHECK:STDOUT: %const: type = const_type %i32 [template]
// CHECK:STDOUT: %ptr: type = ptr_type %const [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %import_ref.cd8 = import_ref Implicit//default, F, unloaded
// CHECK:STDOUT: %import_ref.0e1: ref %const = import_ref Implicit//default, a_ref, loaded
// CHECK:STDOUT: %import_ref.5a2: ref %ptr = import_ref Implicit//default, a_ptr_ref, loaded
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT: .Int = %import_ref.187
// 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.cd8
// CHECK:STDOUT: .a_ref = imports.%import_ref.0e1
// CHECK:STDOUT: .a_ptr_ref = imports.%import_ref.5a2
// 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: %a.var: ref %ptr = var a
// CHECK:STDOUT: %a: ref %ptr = bind_name a, %a.var
// CHECK:STDOUT: %a_ptr.var: ref %ptr = var a_ptr
// CHECK:STDOUT: %a_ptr: ref %ptr = 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 %const = name_ref a_ref, imports.%import_ref.0e1
// CHECK:STDOUT: %addr: %ptr = addr_of %a_ref.ref
// CHECK:STDOUT: assign file.%a.var, %addr
// CHECK:STDOUT: %a_ptr_ref.ref: ref %ptr = name_ref a_ptr_ref, imports.%import_ref.5a2
// CHECK:STDOUT: %.loc7: %ptr = bind_value %a_ptr_ref.ref
// CHECK:STDOUT: assign file.%a_ptr.var, %.loc7
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: