carbon-lang/toolchain/check/testdata/pointer/basic.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
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP:   bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/pointer/basic.carbon
// TIP: To dump output, run:
// TIP:   bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/pointer/basic.carbon

fn F() -> i32 {
  var n: i32 = 0;
  var p: i32* = &n;

  return *p;
}

// CHECK:STDOUT: --- basic.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:   %F.type: type = fn_type @F [template]
// CHECK:STDOUT:   %F: %F.type = struct_value () [template]
// CHECK:STDOUT:   %int_0.1: Core.IntLiteral = int_value 0 [template]
// CHECK:STDOUT:   %Convert.type.2: type = fn_type @Convert.1, @ImplicitAs(%i32) [template]
// CHECK:STDOUT:   %impl_witness.19: <witness> = impl_witness (imports.%import_ref.14), @impl.1(%int_32) [template]
// CHECK:STDOUT:   %Convert.type.10: type = fn_type @Convert.2, @impl.1(%int_32) [template]
// CHECK:STDOUT:   %Convert.10: %Convert.type.10 = struct_value () [template]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_0.1, %Convert.10 [template]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(%int_32) [template]
// CHECK:STDOUT:   %int_0.2: %i32 = int_value 0 [template]
// CHECK:STDOUT:   %ptr: type = ptr_type %i32 [template]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [template] {
// CHECK:STDOUT:     .Int = %import_ref.1
// CHECK:STDOUT:     .ImplicitAs = %import_ref.5
// 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:   }
// CHECK:STDOUT:   %Core.import = import Core
// CHECK:STDOUT:   %F.decl: %F.type = fn_decl @F [template = constants.%F] {
// CHECK:STDOUT:     %return.patt: %i32 = return_slot_pattern
// CHECK:STDOUT:     %return.param_patt: %i32 = 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:     %return.param: ref %i32 = out_param runtime_param0
// CHECK:STDOUT:     %return: ref %i32 = return_slot %return.param
// CHECK:STDOUT:   }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F() -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT:   %n.var: ref %i32 = var n
// CHECK:STDOUT:   %n: ref %i32 = bind_name n, %n.var
// CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [template = constants.%int_0.1]
// CHECK:STDOUT:   %impl.elem0: %Convert.type.2 = impl_witness_access constants.%impl_witness.19, element0 [template = constants.%Convert.10]
// CHECK:STDOUT:   %Convert.bound: <bound method> = bound_method %int_0, %impl.elem0 [template = constants.%Convert.bound]
// CHECK:STDOUT:   %Convert.specific_fn: <specific function> = specific_function %Convert.bound, @Convert.2(constants.%int_32) [template = constants.%Convert.specific_fn]
// CHECK:STDOUT:   %int.convert_checked: init %i32 = call %Convert.specific_fn(%int_0) [template = constants.%int_0.2]
// CHECK:STDOUT:   %.loc12: init %i32 = converted %int_0, %int.convert_checked [template = constants.%int_0.2]
// CHECK:STDOUT:   assign %n.var, %.loc12
// CHECK:STDOUT:   %p.var: ref %ptr = var p
// CHECK:STDOUT:   %p: ref %ptr = bind_name p, %p.var
// CHECK:STDOUT:   %n.ref: ref %i32 = name_ref n, %n
// CHECK:STDOUT:   %addr: %ptr = addr_of %n.ref
// CHECK:STDOUT:   assign %p.var, %addr
// CHECK:STDOUT:   %p.ref: ref %ptr = name_ref p, %p
// CHECK:STDOUT:   %.loc15_11: %ptr = bind_value %p.ref
// CHECK:STDOUT:   %.loc15_10.1: ref %i32 = deref %.loc15_11
// CHECK:STDOUT:   %.loc15_10.2: %i32 = bind_value %.loc15_10.1
// CHECK:STDOUT:   return %.loc15_10.2
// CHECK:STDOUT: }
// CHECK:STDOUT: