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carbon-lang/toolchain/check/testdata/if_expr/nested.carbon
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Jon Ross-Perkins 7ccc1e0144 Expand naming for impls and functions (#5808) 
Change impls from `<interface>.impl` to `<self>.as.<interface>.impl`,
and *member* functions to `<parent scope>.<fn>` (non-member functions
exclude their parent scope). Stop special-casing builtin functions,
given the new naming scheme.

The purpose of this is to make it clearer when a member function is
being accessed and, if so, which member function. In particular, we
often access interface `Op` functions. The builtin function
special-casing was intended to help with that, but we still have lots of
`Op` functions. This particular approach should make the interactions
clearer.

This changes up queueing of block IDs a little because, in particular,
we need to process bodies of entities only after constants finish
processing. But, it should also result in less memory usage during
processing because it means we have less on the insts stack at any given
time, since we track a block rather than all instructions contained by
the block.
2025-07-21 18:45:07 +00:00

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// 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/primitives.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/if_expr/nested.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/if_expr/nested.carbon
fn F(a: bool, b: bool, c: bool) -> i32 {
return if a then if b then 1 else 2 else if c then 3 else 4;
}
// CHECK:STDOUT: --- nested.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %Bool.type: type = fn_type @Bool [concrete]
// CHECK:STDOUT: %Bool: %Bool.type = struct_value () [concrete]
// CHECK:STDOUT: %pattern_type.831: type = pattern_type bool [concrete]
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete]
// CHECK:STDOUT: %Int.type: type = generic_class_type @Int [concrete]
// CHECK:STDOUT: %Int.generic: %Int.type = struct_value () [concrete]
// 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_1.5b8: Core.IntLiteral = int_value 1 [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.205: 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.0f9: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.f06: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.0f9 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.c75: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.a2f, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.035: 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.956: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.035 = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.205 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.c75) [concrete]
// CHECK:STDOUT: %.9c3: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.ab5: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.956 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.956, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.9a1: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_1.5d2: %i32 = int_value 1 [concrete]
// CHECK:STDOUT: %int_2.ecc: Core.IntLiteral = int_value 2 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.ef9: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.956 [concrete]
// CHECK:STDOUT: %bound_method.b92: <bound method> = bound_method %int_2.ecc, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_2.ef8: %i32 = int_value 2 [concrete]
// CHECK:STDOUT: %int_3.1ba: Core.IntLiteral = int_value 3 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.b30: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.956 [concrete]
// CHECK:STDOUT: %bound_method.047: <bound method> = bound_method %int_3.1ba, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_3.822: %i32 = int_value 3 [concrete]
// CHECK:STDOUT: %int_4.0c1: Core.IntLiteral = int_value 4 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.ac3: <bound method> = bound_method %int_4.0c1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.956 [concrete]
// CHECK:STDOUT: %bound_method.1da: <bound method> = bound_method %int_4.0c1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_4.940: %i32 = int_value 4 [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: %Core: <namespace> = namespace file.%Core.import, [concrete] {
// CHECK:STDOUT: .Bool = %Core.Bool
// CHECK:STDOUT: .Int = %Core.Int
// CHECK:STDOUT: .ImplicitAs = %Core.ImplicitAs
// CHECK:STDOUT: import Core//prelude
// CHECK:STDOUT: import Core//prelude/...
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.Bool: %Bool.type = import_ref Core//prelude/parts/bool, Bool, loaded [concrete = constants.%Bool]
// 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.a5b: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.0f9) = import_ref Core//prelude/parts/int, loc16_39, loaded [symbolic = @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert (constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.f06)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.a2f = impl_witness_table (%Core.import_ref.a5b), @Core.IntLiteral.as.ImplicitAs.impl [concrete]
// 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: %a.patt: %pattern_type.831 = binding_pattern a [concrete]
// CHECK:STDOUT: %a.param_patt: %pattern_type.831 = value_param_pattern %a.patt, call_param0 [concrete]
// CHECK:STDOUT: %b.patt: %pattern_type.831 = binding_pattern b [concrete]
// CHECK:STDOUT: %b.param_patt: %pattern_type.831 = value_param_pattern %b.patt, call_param1 [concrete]
// CHECK:STDOUT: %c.patt: %pattern_type.831 = binding_pattern c [concrete]
// CHECK:STDOUT: %c.param_patt: %pattern_type.831 = value_param_pattern %c.patt, call_param2 [concrete]
// 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_param3 [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: %a.param: bool = value_param call_param0
// CHECK:STDOUT: %.loc15_9.1: type = splice_block %.loc15_9.3 [concrete = bool] {
// CHECK:STDOUT: %Bool.call.loc15_9: init type = call constants.%Bool() [concrete = bool]
// CHECK:STDOUT: %.loc15_9.2: type = value_of_initializer %Bool.call.loc15_9 [concrete = bool]
// CHECK:STDOUT: %.loc15_9.3: type = converted %Bool.call.loc15_9, %.loc15_9.2 [concrete = bool]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: bool = bind_name a, %a.param
// CHECK:STDOUT: %b.param: bool = value_param call_param1
// CHECK:STDOUT: %.loc15_18.1: type = splice_block %.loc15_18.3 [concrete = bool] {
// CHECK:STDOUT: %Bool.call.loc15_18: init type = call constants.%Bool() [concrete = bool]
// CHECK:STDOUT: %.loc15_18.2: type = value_of_initializer %Bool.call.loc15_18 [concrete = bool]
// CHECK:STDOUT: %.loc15_18.3: type = converted %Bool.call.loc15_18, %.loc15_18.2 [concrete = bool]
// CHECK:STDOUT: }
// CHECK:STDOUT: %b: bool = bind_name b, %b.param
// CHECK:STDOUT: %c.param: bool = value_param call_param2
// CHECK:STDOUT: %.loc15_27.1: type = splice_block %.loc15_27.3 [concrete = bool] {
// CHECK:STDOUT: %Bool.call.loc15_27: init type = call constants.%Bool() [concrete = bool]
// CHECK:STDOUT: %.loc15_27.2: type = value_of_initializer %Bool.call.loc15_27 [concrete = bool]
// CHECK:STDOUT: %.loc15_27.3: type = converted %Bool.call.loc15_27, %.loc15_27.2 [concrete = bool]
// CHECK:STDOUT: }
// CHECK:STDOUT: %c: bool = bind_name c, %c.param
// CHECK:STDOUT: %return.param: ref %i32 = out_param call_param3
// CHECK:STDOUT: %return: ref %i32 = return_slot %return.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @F(%a.param: bool, %b.param: bool, %c.param: bool) -> %i32 {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %a.ref: bool = name_ref a, %a
// CHECK:STDOUT: if %a.ref br !if.expr.then.loc16_10 else br !if.expr.else.loc16_10
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.then.loc16_10:
// CHECK:STDOUT: %b.ref: bool = name_ref b, %b
// CHECK:STDOUT: if %b.ref br !if.expr.then.loc16_20 else br !if.expr.else.loc16_20
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.then.loc16_20:
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %int_32.loc16_25: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc16_25: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %impl.elem0.loc16_25: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.956]
// CHECK:STDOUT: %bound_method.loc16_25.1: <bound method> = bound_method %int_1, %impl.elem0.loc16_25 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.ab5]
// CHECK:STDOUT: %specific_fn.loc16_25: <specific function> = specific_function %impl.elem0.loc16_25, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc16_25.2: <bound method> = bound_method %int_1, %specific_fn.loc16_25 [concrete = constants.%bound_method.9a1]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16_25: init %i32 = call %bound_method.loc16_25.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc16_25.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16_25 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc16_25.2: %i32 = converted %int_1, %.loc16_25.1 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: br !if.expr.result.loc16_20(%.loc16_25.2)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.else.loc16_20:
// CHECK:STDOUT: %int_2: Core.IntLiteral = int_value 2 [concrete = constants.%int_2.ecc]
// CHECK:STDOUT: %impl.elem0.loc16_32: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.956]
// CHECK:STDOUT: %bound_method.loc16_32.1: <bound method> = bound_method %int_2, %impl.elem0.loc16_32 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.ef9]
// CHECK:STDOUT: %specific_fn.loc16_32: <specific function> = specific_function %impl.elem0.loc16_32, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc16_32.2: <bound method> = bound_method %int_2, %specific_fn.loc16_32 [concrete = constants.%bound_method.b92]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16_32: init %i32 = call %bound_method.loc16_32.2(%int_2) [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc16_32.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16_32 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: %.loc16_32.2: %i32 = converted %int_2, %.loc16_32.1 [concrete = constants.%int_2.ef8]
// CHECK:STDOUT: br !if.expr.result.loc16_20(%.loc16_32.2)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.result.loc16_20:
// CHECK:STDOUT: %.loc16_20: %i32 = block_arg !if.expr.result.loc16_20
// CHECK:STDOUT: br !if.expr.result.loc16_10(%.loc16_20)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.else.loc16_10:
// CHECK:STDOUT: %c.ref: bool = name_ref c, %c
// CHECK:STDOUT: if %c.ref br !if.expr.then.loc16_44 else br !if.expr.else.loc16_44
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.then.loc16_44:
// CHECK:STDOUT: %int_3: Core.IntLiteral = int_value 3 [concrete = constants.%int_3.1ba]
// CHECK:STDOUT: %int_32.loc16_49: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc16_49: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %impl.elem0.loc16_49: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.956]
// CHECK:STDOUT: %bound_method.loc16_49.1: <bound method> = bound_method %int_3, %impl.elem0.loc16_49 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.b30]
// CHECK:STDOUT: %specific_fn.loc16_49: <specific function> = specific_function %impl.elem0.loc16_49, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc16_49.2: <bound method> = bound_method %int_3, %specific_fn.loc16_49 [concrete = constants.%bound_method.047]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16_49: init %i32 = call %bound_method.loc16_49.2(%int_3) [concrete = constants.%int_3.822]
// CHECK:STDOUT: %.loc16_49.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16_49 [concrete = constants.%int_3.822]
// CHECK:STDOUT: %.loc16_49.2: %i32 = converted %int_3, %.loc16_49.1 [concrete = constants.%int_3.822]
// CHECK:STDOUT: br !if.expr.result.loc16_44(%.loc16_49.2)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.else.loc16_44:
// CHECK:STDOUT: %int_4: Core.IntLiteral = int_value 4 [concrete = constants.%int_4.0c1]
// CHECK:STDOUT: %impl.elem0.loc16_56: %.9c3 = impl_witness_access constants.%ImplicitAs.impl_witness.c75, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.956]
// CHECK:STDOUT: %bound_method.loc16_56.1: <bound method> = bound_method %int_4, %impl.elem0.loc16_56 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.ac3]
// CHECK:STDOUT: %specific_fn.loc16_56: <specific function> = specific_function %impl.elem0.loc16_56, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc16_56.2: <bound method> = bound_method %int_4, %specific_fn.loc16_56 [concrete = constants.%bound_method.1da]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16_56: init %i32 = call %bound_method.loc16_56.2(%int_4) [concrete = constants.%int_4.940]
// CHECK:STDOUT: %.loc16_56.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc16_56 [concrete = constants.%int_4.940]
// CHECK:STDOUT: %.loc16_56.2: %i32 = converted %int_4, %.loc16_56.1 [concrete = constants.%int_4.940]
// CHECK:STDOUT: br !if.expr.result.loc16_44(%.loc16_56.2)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.result.loc16_44:
// CHECK:STDOUT: %.loc16_44: %i32 = block_arg !if.expr.result.loc16_44
// CHECK:STDOUT: br !if.expr.result.loc16_10(%.loc16_44)
// CHECK:STDOUT:
// CHECK:STDOUT: !if.expr.result.loc16_10:
// CHECK:STDOUT: %.loc16_10: %i32 = block_arg !if.expr.result.loc16_10
// CHECK:STDOUT: return %.loc16_10
// CHECK:STDOUT: }
// CHECK:STDOUT:
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