carbon-lang/toolchain/check/testdata/let/local.carbon

// 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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/let/local.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/let/local.carbon

// --- local.carbon
library "[[@TEST_NAME]]";

fn F(a: i32) -> i32 {
  //@dump-sem-ir-begin
  let b: i32 = a;
  return b;
  //@dump-sem-ir-end
}

// --- fail_todo_symbolic.carbon
library "[[@TEST_NAME]]";

class C {}

fn F(c: C) {}

fn CallF() {
  //@dump-sem-ir-begin
  // CHECK:STDERR: fail_todo_symbolic.carbon:[[@LINE+4]]:7: error: semantics TODO: `local `let :!` bindings are currently unsupported` [SemanticsTodo]
  // CHECK:STDERR:   let c:! C = {};
  // CHECK:STDERR:       ^~~~~
  // CHECK:STDERR:
  let c:! C = {};
  F(c);
  //@dump-sem-ir-end
}

// CHECK:STDOUT: --- local.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT:   %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT:   %N: Core.IntLiteral = symbolic_binding N, 0 [symbolic]
// CHECK:STDOUT:   %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT:   %pattern_type.7ce: type = pattern_type %i32 [concrete]
// CHECK:STDOUT:   %Copy.type: type = facet_type <@Copy> [concrete]
// CHECK:STDOUT:   %Copy.Op.type: type = fn_type @Copy.Op [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.type.824: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.9b9: %Int.as.Copy.impl.Op.type.824 = struct_value () [symbolic]
// CHECK:STDOUT:   %Copy.impl_witness.f17: <witness> = impl_witness imports.%Copy.impl_witness_table.e76, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.type.546: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.664: %Int.as.Copy.impl.Op.type.546 = struct_value () [concrete]
// CHECK:STDOUT:   %Copy.facet: %Copy.type = facet_value %i32, (%Copy.impl_witness.f17) [concrete]
// CHECK:STDOUT:   %.f79: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.664, @Int.as.Copy.impl.Op(%int_32) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core.import_ref.18d: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.824) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Int.as.Copy.impl.%Int.as.Copy.impl.Op (constants.%Int.as.Copy.impl.Op.9b9)]
// CHECK:STDOUT:   %Copy.impl_witness_table.e76 = impl_witness_table (%Core.import_ref.18d), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%a.param: %i32) -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %b.patt: %pattern_type.7ce = value_binding_pattern b [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %a.ref: %i32 = name_ref a, %a
// CHECK:STDOUT:   %.loc5: type = splice_block %i32.loc5 [concrete = constants.%i32] {
// CHECK:STDOUT:     %int_32.loc5: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32.loc5: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %b: %i32 = value_binding b, %a.ref
// CHECK:STDOUT:   %b.ref: %i32 = name_ref b, %b
// CHECK:STDOUT:   %impl.elem0: %.f79 = impl_witness_access constants.%Copy.impl_witness.f17, element0 [concrete = constants.%Int.as.Copy.impl.Op.664]
// CHECK:STDOUT:   %bound_method.loc6_10.1: <bound method> = bound_method %b.ref, %impl.elem0
// CHECK:STDOUT:   %specific_fn: <specific function> = specific_function %impl.elem0, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT:   %bound_method.loc6_10.2: <bound method> = bound_method %b.ref, %specific_fn
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc6_10.2(%b.ref)
// CHECK:STDOUT:   return %Int.as.Copy.impl.Op.call to %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: --- fail_todo_symbolic.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @CallF();
// CHECK:STDOUT: