mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Geoff RomerandRichard Smith
a112cbde5c
This is a precondition for enabling the new pattern-matching subsystem to support binding patterns that have `if` expressions in the type position. --------- Co-authored-by: Richard Smith <richard@metafoo.co.uk>
79 lines
4.1 KiB
Plaintext
79 lines
4.1 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/pointer/nested_const.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/pointer/nested_const.carbon
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// TODO: The `const` in the return type should not be necessary.
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fn F(p: const (const (const i32*)*)) -> const i32 {
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return **p;
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}
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// CHECK:STDOUT: --- nested_const.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(%int_32) [template]
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// CHECK:STDOUT: %const.1: type = const_type %i32 [template]
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// CHECK:STDOUT: %ptr.1: type = ptr_type %const.1 [template]
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// CHECK:STDOUT: %const.2: type = const_type %ptr.1 [template]
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// CHECK:STDOUT: %ptr.2: type = ptr_type %const.2 [template]
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// CHECK:STDOUT: %const.3: type = const_type %ptr.2 [template]
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// CHECK:STDOUT: %F.type: type = fn_type @F [template]
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// CHECK:STDOUT: %F: %F.type = struct_value () [template]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [template] {
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// CHECK:STDOUT: .Int = %import_ref.1
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// CHECK:STDOUT: import Core//prelude
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// CHECK:STDOUT: import Core//prelude/...
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [template] {
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// CHECK:STDOUT: .Core = imports.%Core
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// CHECK:STDOUT: .F = %F.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [template = constants.%F] {
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// CHECK:STDOUT: %p.patt: %const.3 = binding_pattern p
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// CHECK:STDOUT: %p.param_patt: %const.3 = value_param_pattern %p.patt, runtime_param0
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// CHECK:STDOUT: %return.patt: %const.1 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %const.1 = out_param_pattern %return.patt, runtime_param1
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32.loc12_47: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32.loc12_47: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %const.loc12_41: type = const_type %i32 [template = constants.%const.1]
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// CHECK:STDOUT: %p.param: %const.3 = value_param runtime_param0
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// CHECK:STDOUT: %.loc12: type = splice_block %const.loc12_9 [template = constants.%const.3] {
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// CHECK:STDOUT: %int_32.loc12_29: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32.loc12_29: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %const.loc12_23: type = const_type %i32 [template = constants.%const.1]
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// CHECK:STDOUT: %ptr.loc12_32: type = ptr_type %const.1 [template = constants.%ptr.1]
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// CHECK:STDOUT: %const.loc12_16: type = const_type %ptr.1 [template = constants.%const.2]
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// CHECK:STDOUT: %ptr.loc12_34: type = ptr_type %const.2 [template = constants.%ptr.2]
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// CHECK:STDOUT: %const.loc12_9: type = const_type %ptr.2 [template = constants.%const.3]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %p: %const.3 = bind_name p, %p.param
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// CHECK:STDOUT: %return.param: ref %const.1 = out_param runtime_param1
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// CHECK:STDOUT: %return: ref %const.1 = return_slot %return.param
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// CHECK:STDOUT: }
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F(%p.param_patt: %const.3) -> %const.1 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %p.ref: %const.3 = name_ref p, %p
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// CHECK:STDOUT: %.loc13_11.1: ref %const.2 = deref %p.ref
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// CHECK:STDOUT: %.loc13_11.2: %const.2 = bind_value %.loc13_11.1
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// CHECK:STDOUT: %.loc13_10.1: ref %const.1 = deref %.loc13_11.2
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// CHECK:STDOUT: %.loc13_10.2: %const.1 = bind_value %.loc13_10.1
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// CHECK:STDOUT: return %.loc13_10.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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