mirror of
https://github.com/carbon-language/carbon-lang.git
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Richard SmithandDana Jansens
19182f08aa
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>
125 lines
6.6 KiB
Plaintext
125 lines
6.6 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/namespace/shadow.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/namespace/shadow.carbon
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fn A();
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namespace N;
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fn N.A();
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namespace N.M;
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fn N.M.B() -> i32 {
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// This is N.A, not package.A.
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A();
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if (true) {
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var A: i32 = 0;
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// This is the local A.
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// TODO: Decide if we should warn or error on the shadowing of N.A here.
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return A;
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}
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return 0;
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}
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// CHECK:STDOUT: --- shadow.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %A.type.00d: type = fn_type @A.1 [template]
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// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [template]
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// CHECK:STDOUT: %A.1db: %A.type.00d = struct_value () [template]
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// CHECK:STDOUT: %A.type.0e8: type = fn_type @A.2 [template]
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// CHECK:STDOUT: %A.281: %A.type.0e8 = struct_value () [template]
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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: %B.type: type = fn_type @B [template]
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// CHECK:STDOUT: %B: %B.type = struct_value () [template]
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// CHECK:STDOUT: %true: bool = bool_literal true [template]
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// CHECK:STDOUT: %int_0.5c6: Core.IntLiteral = int_value 0 [template]
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// CHECK:STDOUT: %Convert.type.cd1: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
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// CHECK:STDOUT: %impl_witness.5b0: <witness> = impl_witness (imports.%import_ref.723), @impl.1(%int_32) [template]
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// CHECK:STDOUT: %Convert.type.466: type = fn_type @Convert.2, @impl.1(%int_32) [template]
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// CHECK:STDOUT: %Convert.925: %Convert.type.466 = struct_value () [template]
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// CHECK:STDOUT: %Convert.bound: <bound method> = bound_method %int_0.5c6, %Convert.925 [template]
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// CHECK:STDOUT: %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(%int_32) [template]
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// CHECK:STDOUT: %int_0.f61: %i32 = int_value 0 [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.187
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// CHECK:STDOUT: .ImplicitAs = %import_ref.a69
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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: .A = %A.decl.loc11
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// CHECK:STDOUT: .N = %N
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %Core.import = import Core
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// CHECK:STDOUT: %A.decl.loc11: %A.type.00d = fn_decl @A.1 [template = constants.%A.1db] {} {}
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// CHECK:STDOUT: %N: <namespace> = namespace [template] {
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// CHECK:STDOUT: .A = %A.decl.loc14
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// CHECK:STDOUT: .M = %M
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %A.decl.loc14: %A.type.0e8 = fn_decl @A.2 [template = constants.%A.281] {} {}
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// CHECK:STDOUT: %M: <namespace> = namespace [template] {
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// CHECK:STDOUT: .B = %B.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %B.decl: %B.type = fn_decl @B [template = constants.%B] {
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// CHECK:STDOUT: %return.patt: %i32 = return_slot_pattern
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// CHECK:STDOUT: %return.param_patt: %i32 = out_param_pattern %return.patt, runtime_param0
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// CHECK:STDOUT: } {
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// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [template = constants.%int_32]
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// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [template = constants.%i32]
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// CHECK:STDOUT: %return.param: ref %i32 = out_param runtime_param0
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// CHECK:STDOUT: %return: ref %i32 = 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 @A.1();
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @A.2();
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @B() -> %i32 {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %A.ref.loc20: %A.type.0e8 = name_ref A, file.%A.decl.loc14 [template = constants.%A.281]
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// CHECK:STDOUT: %A.call: init %empty_tuple.type = call %A.ref.loc20()
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// CHECK:STDOUT: %true: bool = bool_literal true [template = constants.%true]
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// CHECK:STDOUT: if %true br !if.then else br !if.else
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.then:
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// CHECK:STDOUT: %A.var: ref %i32 = var A
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// CHECK:STDOUT: %A: ref %i32 = bind_name A, %A.var
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// CHECK:STDOUT: %int_0.loc22: Core.IntLiteral = int_value 0 [template = constants.%int_0.5c6]
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// CHECK:STDOUT: %impl.elem0.loc22: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
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// CHECK:STDOUT: %Convert.bound.loc22: <bound method> = bound_method %int_0.loc22, %impl.elem0.loc22 [template = constants.%Convert.bound]
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// CHECK:STDOUT: %Convert.specific_fn.loc22: <specific function> = specific_function %Convert.bound.loc22, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn]
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// CHECK:STDOUT: %int.convert_checked.loc22: init %i32 = call %Convert.specific_fn.loc22(%int_0.loc22) [template = constants.%int_0.f61]
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// CHECK:STDOUT: %.loc22: init %i32 = converted %int_0.loc22, %int.convert_checked.loc22 [template = constants.%int_0.f61]
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// CHECK:STDOUT: assign %A.var, %.loc22
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// CHECK:STDOUT: %A.ref.loc25: ref %i32 = name_ref A, %A
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// CHECK:STDOUT: %.loc25: %i32 = bind_value %A.ref.loc25
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// CHECK:STDOUT: return %.loc25
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// CHECK:STDOUT:
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// CHECK:STDOUT: !if.else:
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// CHECK:STDOUT: %int_0.loc27: Core.IntLiteral = int_value 0 [template = constants.%int_0.5c6]
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// CHECK:STDOUT: %impl.elem0.loc27: %Convert.type.cd1 = impl_witness_access constants.%impl_witness.5b0, element0 [template = constants.%Convert.925]
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// CHECK:STDOUT: %Convert.bound.loc27: <bound method> = bound_method %int_0.loc27, %impl.elem0.loc27 [template = constants.%Convert.bound]
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// CHECK:STDOUT: %Convert.specific_fn.loc27: <specific function> = specific_function %Convert.bound.loc27, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn]
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// CHECK:STDOUT: %int.convert_checked.loc27: init %i32 = call %Convert.specific_fn.loc27(%int_0.loc27) [template = constants.%int_0.f61]
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// CHECK:STDOUT: %.loc27_11.1: %i32 = value_of_initializer %int.convert_checked.loc27 [template = constants.%int_0.f61]
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// CHECK:STDOUT: %.loc27_11.2: %i32 = converted %int_0.loc27, %.loc27_11.1 [template = constants.%int_0.f61]
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// CHECK:STDOUT: return %.loc27_11.2
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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