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carbon-lang/toolchain/check/testdata/generic/call_basic_depth.carbon
T
Geoff Romer 09710d102f Separate binding insts for refs and values (#6235) 
This resolves a TODO in `expr_info.cpp` by using the inst kind rather
than the bound value to track the binding's category.

Since we're churning all the `bind_name` insts in testdata anyway, I'm
also taking this opportunity to align the inst naming with the design's
terminology, by calling these insts "bindings" (this aspect of the PR is
dependent on #6231 resolving an ambiguity in that terminology). For
consistency we'll need to rename several other insts as well (see the
TODO on `RefBinding`); I'm deferring that to a separate PR to minimize
the review load, but I think those name changes are in-scope for this
review.
2025-10-23 01:46:24 +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/destroy.carbon
//
// AUTOUPDATE
// TIP: To test this file alone, run:
// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/generic/call_basic_depth.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/generic/call_basic_depth.carbon
class C {
fn Cfn[self: Self, T:! type](x: T) {
}
}
//@dump-sem-ir-begin
fn F[T:! type](x: T) {
}
//@dump-sem-ir-end
fn H[T:! type](x: T) {
//@dump-sem-ir-begin
F(x);
//@dump-sem-ir-end
}
fn G[T:! type](x: T) {
//@dump-sem-ir-begin
H(x);
F(x);
//@dump-sem-ir-end
var c: C;
c.Cfn(x);
}
fn M() {
var n: C;
//@dump-sem-ir-begin
F(n);
G(n);
//@dump-sem-ir-end
}
// CHECK:STDOUT: --- call_basic_depth.carbon
// CHECK:STDOUT:
// CHECK:STDOUT: constants {
// CHECK:STDOUT: %C: type = class_type @C [concrete]
// CHECK:STDOUT: %pattern_type.c48: type = pattern_type %C [concrete]
// CHECK:STDOUT: %T: type = bind_symbolic_name T, 0 [symbolic]
// CHECK:STDOUT: %pattern_type.98f: type = pattern_type type [concrete]
// CHECK:STDOUT: %pattern_type.7dc: type = pattern_type %T [symbolic]
// CHECK:STDOUT: %C.Cfn.type: type = fn_type @C.Cfn [concrete]
// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
// CHECK:STDOUT: %C.Cfn: %C.Cfn.type = struct_value () [concrete]
// CHECK:STDOUT: %empty_struct_type: type = struct_type {} [concrete]
// CHECK:STDOUT: %complete_type.357: <witness> = complete_type_witness %empty_struct_type [concrete]
// CHECK:STDOUT: %require_complete.4ae: <witness> = require_complete_type %T [symbolic]
// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
// CHECK:STDOUT: %H.type: type = fn_type @H [concrete]
// CHECK:STDOUT: %H: %H.type = struct_value () [concrete]
// CHECK:STDOUT: %F.specific_fn.ef1: <specific function> = specific_function %F, @F(%T) [symbolic]
// CHECK:STDOUT: %G.type: type = fn_type @G [concrete]
// CHECK:STDOUT: %G: %G.type = struct_value () [concrete]
// CHECK:STDOUT: %H.specific_fn.1ed: <specific function> = specific_function %H, @H(%T) [symbolic]
// CHECK:STDOUT: %F.specific_fn.04a: <specific function> = specific_function %F, @F(%C) [concrete]
// CHECK:STDOUT: %G.specific_fn: <specific function> = specific_function %G, @G(%C) [concrete]
// CHECK:STDOUT: %H.specific_fn.e3f: <specific function> = specific_function %H, @H(%C) [concrete]
// CHECK:STDOUT: %C.Cfn.specific_fn.26d: <specific function> = specific_function %C.Cfn, @C.Cfn(%C) [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: imports {
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: file {
// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {
// CHECK:STDOUT: %T.patt: %pattern_type.98f = symbolic_binding_pattern T, 0 [concrete]
// CHECK:STDOUT: %x.patt: @F.%pattern_type (%pattern_type.7dc) = value_binding_pattern x [concrete]
// CHECK:STDOUT: %x.param_patt: @F.%pattern_type (%pattern_type.7dc) = value_param_pattern %x.patt, call_param0 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %T.loc19_6.2: type = bind_symbolic_name T, 0 [symbolic = %T.loc19_6.1 (constants.%T)]
// CHECK:STDOUT: %x.param: @F.%T.loc19_6.1 (%T) = value_param call_param0
// CHECK:STDOUT: %T.ref: type = name_ref T, %T.loc19_6.2 [symbolic = %T.loc19_6.1 (constants.%T)]
// CHECK:STDOUT: %x: @F.%T.loc19_6.1 (%T) = value_binding x, %x.param
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @F(%T.loc19_6.2: type) {
// CHECK:STDOUT: %T.loc19_6.1: type = bind_symbolic_name T, 0 [symbolic = %T.loc19_6.1 (constants.%T)]
// CHECK:STDOUT: %pattern_type: type = pattern_type %T.loc19_6.1 [symbolic = %pattern_type (constants.%pattern_type.7dc)]
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete: <witness> = require_complete_type %T.loc19_6.1 [symbolic = %require_complete (constants.%require_complete.4ae)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%x.param: @F.%T.loc19_6.1 (%T)) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @H(%T.loc23_6.2: type) {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %F.specific_fn.loc25_3.2: <specific function> = specific_function constants.%F, @F(%T.loc23_6.1) [symbolic = %F.specific_fn.loc25_3.2 (constants.%F.specific_fn.ef1)]
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%x.param: @H.%T.loc23_6.1 (%T)) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %x.ref: @H.%T.loc23_6.1 (%T) = name_ref x, %x
// CHECK:STDOUT: %F.specific_fn.loc25_3.1: <specific function> = specific_function %F.ref, @F(constants.%T) [symbolic = %F.specific_fn.loc25_3.2 (constants.%F.specific_fn.ef1)]
// CHECK:STDOUT: %F.call: init %empty_tuple.type = call %F.specific_fn.loc25_3.1(%x.ref)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: generic fn @G(%T.loc29_6.2: type) {
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %H.specific_fn.loc31_3.2: <specific function> = specific_function constants.%H, @H(%T.loc29_6.1) [symbolic = %H.specific_fn.loc31_3.2 (constants.%H.specific_fn.1ed)]
// CHECK:STDOUT: %F.specific_fn.loc32_3.2: <specific function> = specific_function constants.%F, @F(%T.loc29_6.1) [symbolic = %F.specific_fn.loc32_3.2 (constants.%F.specific_fn.ef1)]
// CHECK:STDOUT: <elided>
// CHECK:STDOUT:
// CHECK:STDOUT: fn(%x.param: @G.%T.loc29_6.1 (%T)) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: %H.ref: %H.type = name_ref H, file.%H.decl [concrete = constants.%H]
// CHECK:STDOUT: %x.ref.loc31: @G.%T.loc29_6.1 (%T) = name_ref x, %x
// CHECK:STDOUT: %H.specific_fn.loc31_3.1: <specific function> = specific_function %H.ref, @H(constants.%T) [symbolic = %H.specific_fn.loc31_3.2 (constants.%H.specific_fn.1ed)]
// CHECK:STDOUT: %H.call: init %empty_tuple.type = call %H.specific_fn.loc31_3.1(%x.ref.loc31)
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %x.ref.loc32: @G.%T.loc29_6.1 (%T) = name_ref x, %x
// CHECK:STDOUT: %F.specific_fn.loc32_3.1: <specific function> = specific_function %F.ref, @F(constants.%T) [symbolic = %F.specific_fn.loc32_3.2 (constants.%F.specific_fn.ef1)]
// CHECK:STDOUT: %F.call: init %empty_tuple.type = call %F.specific_fn.loc32_3.1(%x.ref.loc32)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @M() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: %F.ref: %F.type = name_ref F, file.%F.decl [concrete = constants.%F]
// CHECK:STDOUT: %n.ref.loc43: ref %C = name_ref n, %n
// CHECK:STDOUT: %F.specific_fn: <specific function> = specific_function %F.ref, @F(constants.%C) [concrete = constants.%F.specific_fn.04a]
// CHECK:STDOUT: %.loc43: %C = bind_value %n.ref.loc43
// CHECK:STDOUT: %F.call: init %empty_tuple.type = call %F.specific_fn(%.loc43)
// CHECK:STDOUT: %G.ref: %G.type = name_ref G, file.%G.decl [concrete = constants.%G]
// CHECK:STDOUT: %n.ref.loc44: ref %C = name_ref n, %n
// CHECK:STDOUT: %G.specific_fn: <specific function> = specific_function %G.ref, @G(constants.%C) [concrete = constants.%G.specific_fn]
// CHECK:STDOUT: %.loc44: %C = bind_value %n.ref.loc44
// CHECK:STDOUT: %G.call: init %empty_tuple.type = call %G.specific_fn(%.loc44)
// CHECK:STDOUT: <elided>
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%T) {
// CHECK:STDOUT: %T.loc19_6.1 => constants.%T
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%require_complete.4ae
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @H(constants.%T) {
// CHECK:STDOUT: %T.loc23_6.1 => constants.%T
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%require_complete.4ae
// CHECK:STDOUT: %F.specific_fn.loc25_3.2 => constants.%F.specific_fn.ef1
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @G(constants.%T) {
// CHECK:STDOUT: %T.loc29_6.1 => constants.%T
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.7dc
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @F(constants.%C) {
// CHECK:STDOUT: %T.loc19_6.1 => constants.%C
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.c48
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%complete_type.357
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @G(constants.%C) {
// CHECK:STDOUT: %T.loc29_6.1 => constants.%C
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.c48
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%complete_type.357
// CHECK:STDOUT: %H.specific_fn.loc31_3.2 => constants.%H.specific_fn.e3f
// CHECK:STDOUT: %F.specific_fn.loc32_3.2 => constants.%F.specific_fn.04a
// CHECK:STDOUT: %C.Cfn.specific_fn.loc36_4.2 => constants.%C.Cfn.specific_fn.26d
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: specific @H(constants.%C) {
// CHECK:STDOUT: %T.loc23_6.1 => constants.%C
// CHECK:STDOUT: %pattern_type => constants.%pattern_type.c48
// CHECK:STDOUT:
// CHECK:STDOUT: !definition:
// CHECK:STDOUT: %require_complete => constants.%complete_type.357
// CHECK:STDOUT: %F.specific_fn.loc25_3.2 => constants.%F.specific_fn.04a
// CHECK:STDOUT: }
// CHECK:STDOUT:
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