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
//
// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/int.carbon
// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
//
// 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 [concrete]
// CHECK:STDOUT:   %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT:   %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT:   %Int.generic: %Int.type = struct_value () [concrete]
// CHECK:STDOUT:   %N: Core.IntLiteral = bind_symbolic_name 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:   %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT:   %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT:   %int_0.5c6: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.cc7: type = generic_interface_type @ImplicitAs [concrete]
// CHECK:STDOUT:   %ImplicitAs.generic: %ImplicitAs.type.cc7 = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.type.d14: type = facet_type <@ImplicitAs, @ImplicitAs(%i32)> [concrete]
// CHECK:STDOUT:   %ImplicitAs.Convert.type.1b6: type = fn_type @ImplicitAs.Convert, @ImplicitAs(%i32) [concrete]
// CHECK:STDOUT:   %To: Core.IntLiteral = bind_symbolic_name To, 0 [symbolic]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.1c0: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340 = struct_value () [symbolic]
// CHECK:STDOUT:   %ImplicitAs.impl_witness.204: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.9e9, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.584: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.584 = struct_value () [concrete]
// CHECK:STDOUT:   %ImplicitAs.facet: %ImplicitAs.type.d14 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.204) [concrete]
// CHECK:STDOUT:   %.1df: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0 [concrete]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT:   %bound_method: <bound method> = bound_method %int_0.5c6, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT:   %int_0.6a9: %i32 = int_value 0 [concrete]
// CHECK:STDOUT:   %ptr.235: type = ptr_type %i32 [concrete]
// CHECK:STDOUT:   %pattern_type.fe8: type = pattern_type %ptr.235 [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.afd: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%N) [symbolic]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.6cd: %Int.as.Copy.impl.Op.type.afd = struct_value () [symbolic]
// CHECK:STDOUT:   %T.8b3: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT:   %ptr.as.Copy.impl.Op.type.31f: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%T.8b3) [symbolic]
// CHECK:STDOUT:   %ptr.as.Copy.impl.Op.8a8: %ptr.as.Copy.impl.Op.type.31f = struct_value () [symbolic]
// CHECK:STDOUT:   %Copy.impl_witness.a93: <witness> = impl_witness imports.%Copy.impl_witness_table.53c, @ptr.as.Copy.impl(%i32) [concrete]
// CHECK:STDOUT:   %ptr.as.Copy.impl.Op.type.b57: type = fn_type @ptr.as.Copy.impl.Op, @ptr.as.Copy.impl(%i32) [concrete]
// CHECK:STDOUT:   %ptr.as.Copy.impl.Op.9fb: %ptr.as.Copy.impl.Op.type.b57 = struct_value () [concrete]
// CHECK:STDOUT:   %Copy.facet.7d5: %Copy.type = facet_value %ptr.235, (%Copy.impl_witness.a93) [concrete]
// CHECK:STDOUT:   %.9e2: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet.7d5 [concrete]
// CHECK:STDOUT:   %ptr.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %ptr.as.Copy.impl.Op.9fb, @ptr.as.Copy.impl.Op(%i32) [concrete]
// CHECK:STDOUT:   %Copy.impl_witness.a32: <witness> = impl_witness imports.%Copy.impl_witness_table.1ed, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.type.276: type = fn_type @Int.as.Copy.impl.Op, @Int.as.Copy.impl(%int_32) [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.f59: %Int.as.Copy.impl.Op.type.276 = struct_value () [concrete]
// CHECK:STDOUT:   %Copy.facet.c49: %Copy.type = facet_value %i32, (%Copy.impl_witness.a32) [concrete]
// CHECK:STDOUT:   %.7fa: type = fn_type_with_self_type %Copy.Op.type, %Copy.facet.c49 [concrete]
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.specific_fn: <specific function> = specific_function %Int.as.Copy.impl.Op.f59, @Int.as.Copy.impl.Op(%int_32) [concrete]
// CHECK:STDOUT:   %Destroy.type: type = facet_type <@Destroy> [concrete]
// CHECK:STDOUT:   %type_where: type = facet_type <type where .Self impls <CanDestroy>> [concrete]
// CHECK:STDOUT:   %facet_value.380: %type_where = facet_value %ptr.235, () [concrete]
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.type.e11: type = fn_type @DestroyT.as_type.as.Destroy.impl.Op, @DestroyT.as_type.as.Destroy.impl(%facet_value.380) [concrete]
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.52b: %DestroyT.as_type.as.Destroy.impl.Op.type.e11 = struct_value () [concrete]
// CHECK:STDOUT:   %ptr.5d5: type = ptr_type %ptr.235 [concrete]
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.specific_fn.e9c: <specific function> = specific_function %DestroyT.as_type.as.Destroy.impl.Op.52b, @DestroyT.as_type.as.Destroy.impl.Op(%facet_value.380) [concrete]
// CHECK:STDOUT:   %facet_value.d23: %type_where = facet_value %i32, () [concrete]
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.type.cb3: type = fn_type @DestroyT.as_type.as.Destroy.impl.Op, @DestroyT.as_type.as.Destroy.impl(%facet_value.d23) [concrete]
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.cad: %DestroyT.as_type.as.Destroy.impl.Op.type.cb3 = struct_value () [concrete]
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.specific_fn.5a0: <specific function> = specific_function %DestroyT.as_type.as.Destroy.impl.Op.cad, @DestroyT.as_type.as.Destroy.impl.Op(%facet_value.d23) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT:   %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT:     .Int = %Core.Int
// CHECK:STDOUT:     .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT:     .Copy = %Core.Copy
// CHECK:STDOUT:     .Destroy = %Core.Destroy
// CHECK:STDOUT:     import Core//prelude
// CHECK:STDOUT:     import Core//prelude/...
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %Core.Int: %Int.type = import_ref Core//prelude/parts/int, Int, loaded [concrete = constants.%Int.generic]
// CHECK:STDOUT:   %Core.ImplicitAs: %ImplicitAs.type.cc7 = import_ref Core//prelude/parts/as, ImplicitAs, loaded [concrete = constants.%ImplicitAs.generic]
// CHECK:STDOUT:   %Core.import_ref.ee7: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.340) = import_ref Core//prelude/parts/int, loc{{\d+_\d+}}, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.1c0)]
// CHECK:STDOUT:   %ImplicitAs.impl_witness_table.9e9 = impl_witness_table (%Core.import_ref.ee7), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// CHECK:STDOUT:   %Core.Copy: type = import_ref Core//prelude/parts/copy, Copy, loaded [concrete = constants.%Copy.type]
// CHECK:STDOUT:   %Core.import_ref.d0f6: @Int.as.Copy.impl.%Int.as.Copy.impl.Op.type (%Int.as.Copy.impl.Op.type.afd) = 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.6cd)]
// CHECK:STDOUT:   %Copy.impl_witness_table.1ed = impl_witness_table (%Core.import_ref.d0f6), @Int.as.Copy.impl [concrete]
// CHECK:STDOUT:   %Core.import_ref.0e4: @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op.type (%ptr.as.Copy.impl.Op.type.31f) = import_ref Core//prelude/parts/copy, loc{{\d+_\d+}}, loaded [symbolic = @ptr.as.Copy.impl.%ptr.as.Copy.impl.Op (constants.%ptr.as.Copy.impl.Op.8a8)]
// CHECK:STDOUT:   %Copy.impl_witness_table.53c = impl_witness_table (%Core.import_ref.0e4), @ptr.as.Copy.impl [concrete]
// CHECK:STDOUT:   %Core.Destroy: type = import_ref Core//prelude/parts/destroy, Destroy, loaded [concrete = constants.%Destroy.type]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT:   package: <namespace> = namespace [concrete] {
// 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 [concrete = constants.%F] {
// CHECK:STDOUT:     %return.patt: %pattern_type.7ce = return_slot_pattern [concrete]
// CHECK:STDOUT:     %return.param_patt: %pattern_type.7ce = out_param_pattern %return.patt, call_param0 [concrete]
// CHECK:STDOUT:   } {
// CHECK:STDOUT:     %int_32.loc15: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32.loc15: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:     %return.param: ref %i32 = out_param call_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:   name_binding_decl {
// CHECK:STDOUT:     %n.patt: %pattern_type.7ce = binding_pattern n [concrete]
// CHECK:STDOUT:     %n.var_patt: %pattern_type.7ce = var_pattern %n.patt [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %n.var: ref %i32 = var %n.var_patt
// CHECK:STDOUT:   %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0.5c6]
// CHECK:STDOUT:   %impl.elem0.loc16: %.1df = impl_witness_access constants.%ImplicitAs.impl_witness.204, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.0f0]
// CHECK:STDOUT:   %bound_method.loc16_3.1: <bound method> = bound_method %int_0, %impl.elem0.loc16 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound]
// CHECK:STDOUT:   %specific_fn.loc16: <specific function> = specific_function %impl.elem0.loc16, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT:   %bound_method.loc16_3.2: <bound method> = bound_method %int_0, %specific_fn.loc16 [concrete = constants.%bound_method]
// CHECK:STDOUT:   %Core.IntLiteral.as.ImplicitAs.impl.Convert.call: init %i32 = call %bound_method.loc16_3.2(%int_0) [concrete = constants.%int_0.6a9]
// CHECK:STDOUT:   %.loc16_3.1: init %i32 = converted %int_0, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call [concrete = constants.%int_0.6a9]
// CHECK:STDOUT:   assign %n.var, %.loc16_3.1
// CHECK:STDOUT:   %.loc16_10: type = splice_block %i32.loc16 [concrete = constants.%i32] {
// CHECK:STDOUT:     %int_32.loc16: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32.loc16: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %n: ref %i32 = bind_name n, %n.var
// CHECK:STDOUT:   name_binding_decl {
// CHECK:STDOUT:     %p.patt: %pattern_type.fe8 = binding_pattern p [concrete]
// CHECK:STDOUT:     %p.var_patt: %pattern_type.fe8 = var_pattern %p.patt [concrete]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %p.var: ref %ptr.235 = var %p.var_patt
// CHECK:STDOUT:   %n.ref: ref %i32 = name_ref n, %n
// CHECK:STDOUT:   %addr.loc17_17: %ptr.235 = addr_of %n.ref
// CHECK:STDOUT:   %impl.elem0.loc17: %.9e2 = impl_witness_access constants.%Copy.impl_witness.a93, element0 [concrete = constants.%ptr.as.Copy.impl.Op.9fb]
// CHECK:STDOUT:   %bound_method.loc17_17.1: <bound method> = bound_method %addr.loc17_17, %impl.elem0.loc17
// CHECK:STDOUT:   %specific_fn.loc17: <specific function> = specific_function %impl.elem0.loc17, @ptr.as.Copy.impl.Op(constants.%i32) [concrete = constants.%ptr.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT:   %bound_method.loc17_17.2: <bound method> = bound_method %addr.loc17_17, %specific_fn.loc17
// CHECK:STDOUT:   %ptr.as.Copy.impl.Op.call: init %ptr.235 = call %bound_method.loc17_17.2(%addr.loc17_17)
// CHECK:STDOUT:   assign %p.var, %ptr.as.Copy.impl.Op.call
// CHECK:STDOUT:   %.loc17_13: type = splice_block %ptr [concrete = constants.%ptr.235] {
// CHECK:STDOUT:     %int_32.loc17: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT:     %i32.loc17: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT:     %ptr: type = ptr_type %i32.loc17 [concrete = constants.%ptr.235]
// CHECK:STDOUT:   }
// CHECK:STDOUT:   %p: ref %ptr.235 = bind_name p, %p.var
// CHECK:STDOUT:   %p.ref: ref %ptr.235 = name_ref p, %p
// CHECK:STDOUT:   %.loc19_11: %ptr.235 = bind_value %p.ref
// CHECK:STDOUT:   %.loc19_10.1: ref %i32 = deref %.loc19_11
// CHECK:STDOUT:   %.loc19_10.2: %i32 = bind_value %.loc19_10.1
// CHECK:STDOUT:   %impl.elem0.loc19: %.7fa = impl_witness_access constants.%Copy.impl_witness.a32, element0 [concrete = constants.%Int.as.Copy.impl.Op.f59]
// CHECK:STDOUT:   %bound_method.loc19_10.1: <bound method> = bound_method %.loc19_10.2, %impl.elem0.loc19
// CHECK:STDOUT:   %specific_fn.loc19: <specific function> = specific_function %impl.elem0.loc19, @Int.as.Copy.impl.Op(constants.%int_32) [concrete = constants.%Int.as.Copy.impl.Op.specific_fn]
// CHECK:STDOUT:   %bound_method.loc19_10.2: <bound method> = bound_method %.loc19_10.2, %specific_fn.loc19
// CHECK:STDOUT:   %Int.as.Copy.impl.Op.call: init %i32 = call %bound_method.loc19_10.2(%.loc19_10.2)
// CHECK:STDOUT:   %facet_value.loc17: %type_where = facet_value constants.%ptr.235, () [concrete = constants.%facet_value.380]
// CHECK:STDOUT:   %.loc17_3: %type_where = converted constants.%ptr.235, %facet_value.loc17 [concrete = constants.%facet_value.380]
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.bound.loc17: <bound method> = bound_method %p.var, constants.%DestroyT.as_type.as.Destroy.impl.Op.52b
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.specific_fn.1: <specific function> = specific_function constants.%DestroyT.as_type.as.Destroy.impl.Op.52b, @DestroyT.as_type.as.Destroy.impl.Op(constants.%facet_value.380) [concrete = constants.%DestroyT.as_type.as.Destroy.impl.Op.specific_fn.e9c]
// CHECK:STDOUT:   %bound_method.loc17_3: <bound method> = bound_method %p.var, %DestroyT.as_type.as.Destroy.impl.Op.specific_fn.1
// CHECK:STDOUT:   %addr.loc17_3: %ptr.5d5 = addr_of %p.var
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.call.loc17: init %empty_tuple.type = call %bound_method.loc17_3(%addr.loc17_3)
// CHECK:STDOUT:   %facet_value.loc16: %type_where = facet_value constants.%i32, () [concrete = constants.%facet_value.d23]
// CHECK:STDOUT:   %.loc16_3.2: %type_where = converted constants.%i32, %facet_value.loc16 [concrete = constants.%facet_value.d23]
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.bound.loc16: <bound method> = bound_method %n.var, constants.%DestroyT.as_type.as.Destroy.impl.Op.cad
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.specific_fn.2: <specific function> = specific_function constants.%DestroyT.as_type.as.Destroy.impl.Op.cad, @DestroyT.as_type.as.Destroy.impl.Op(constants.%facet_value.d23) [concrete = constants.%DestroyT.as_type.as.Destroy.impl.Op.specific_fn.5a0]
// CHECK:STDOUT:   %bound_method.loc16_3.3: <bound method> = bound_method %n.var, %DestroyT.as_type.as.Destroy.impl.Op.specific_fn.2
// CHECK:STDOUT:   %addr.loc16: %ptr.235 = addr_of %n.var
// CHECK:STDOUT:   %DestroyT.as_type.as.Destroy.impl.Op.call.loc16: init %empty_tuple.type = call %bound_method.loc16_3.3(%addr.loc16)
// CHECK:STDOUT:   return %Int.as.Copy.impl.Op.call to %return
// CHECK:STDOUT: }
// CHECK:STDOUT: