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5ae51704214af76c61a183d47c7249df3b6a8a0c
carbon-lang/toolchain/check/testdata/function/call/more_param_ir.carbon
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Dana Jansens 5ae5170421 Allow deduction of tuple and struct literals as symbolic generic facet types (#6365) 
Give TupleLiteral and StructLiteral a constant value, if their contents
have constant values. Their constant values are TupleValue and
StructValue respectively. This supports their ability to convert to a
constant type (or facet type).

This way when deduce finds a TupleLiteral as the argument to a
_symbolic_ facet type, it can also find a constant value to use for that
argument. This allows deduction to move onto step two, where it can
substitute into the symbolic parameter from previous deduced arguments,
and then perform the conversion from the TupleValue to the desired facet
type.

Allow `PerformBuiltinConversion()` to convert from a canonical
TupleValue or StructValue to `type` instead of only from literals. Then,
also support conversion from a symbolic binding of type TupleType or
StructType to `type`.
2025-11-13 20:17:44 +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/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/function/call/more_param_ir.carbon
// TIP: To dump output, run:
// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/call/more_param_ir.carbon
fn Foo(a: i32, b: i32) {}
fn Main() {
var x: (i32,) = (1,);
// Generates multiple IR instructions for the first parameter.
Foo(x.0, 6);
}
// CHECK:STDOUT: --- more_param_ir.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: %i32: type = class_type @Int, @Int(%int_32) [concrete]
// CHECK:STDOUT: %pattern_type.7ce: type = pattern_type %i32 [concrete]
// CHECK:STDOUT: %Foo.type: type = fn_type @Foo [concrete]
// CHECK:STDOUT: %Foo: %Foo.type = struct_value () [concrete]
// CHECK:STDOUT: %Main.type: type = fn_type @Main [concrete]
// CHECK:STDOUT: %Main: %Main.type = struct_value () [concrete]
// CHECK:STDOUT: %tuple.type.85c: type = tuple_type (type) [concrete]
// CHECK:STDOUT: %tuple.896: %tuple.type.85c = tuple_value (%i32) [concrete]
// CHECK:STDOUT: %tuple.type.a1c: type = tuple_type (%i32) [concrete]
// CHECK:STDOUT: %pattern_type.b74: type = pattern_type %tuple.type.a1c [concrete]
// CHECK:STDOUT: %int_1.5b8: Core.IntLiteral = int_value 1 [concrete]
// CHECK:STDOUT: %tuple.type.985: type = tuple_type (Core.IntLiteral) [concrete]
// CHECK:STDOUT: %tuple.378: %tuple.type.985 = tuple_value (%int_1.5b8) [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 = symbolic_binding To, 0 [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f51: type = fn_type @Core.IntLiteral.as.ImplicitAs.impl.Convert, @Core.IntLiteral.as.ImplicitAs.impl(%To) [symbolic]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.2a1: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f51 = struct_value () [symbolic]
// CHECK:STDOUT: %ImplicitAs.impl_witness.bc9: <witness> = impl_witness imports.%ImplicitAs.impl_witness_table.132, @Core.IntLiteral.as.ImplicitAs.impl(%int_32) [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.51e: 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.e9b: %Core.IntLiteral.as.ImplicitAs.impl.Convert.type.51e = struct_value () [concrete]
// CHECK:STDOUT: %ImplicitAs.facet: %ImplicitAs.type.d14 = facet_value Core.IntLiteral, (%ImplicitAs.impl_witness.bc9) [concrete]
// CHECK:STDOUT: %.322: type = fn_type_with_self_type %ImplicitAs.Convert.type.1b6, %ImplicitAs.facet [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.265: <bound method> = bound_method %int_1.5b8, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn: <specific function> = specific_function %Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b, @Core.IntLiteral.as.ImplicitAs.impl.Convert(%int_32) [concrete]
// CHECK:STDOUT: %bound_method.dfc: <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: %tuple.246: %tuple.type.a1c = tuple_value (%int_1.5d2) [concrete]
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete]
// CHECK:STDOUT: %int_6.462: Core.IntLiteral = int_value 6 [concrete]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.a4a: <bound method> = bound_method %int_6.462, %Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b [concrete]
// CHECK:STDOUT: %bound_method.b96: <bound method> = bound_method %int_6.462, %Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn [concrete]
// CHECK:STDOUT: %int_6.e56: %i32 = int_value 6 [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: %type_where = facet_value %tuple.type.a1c, () [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.49b: type = fn_type @DestroyT.binding.as_type.as.Destroy.impl.Op, @DestroyT.binding.as_type.as.Destroy.impl(%facet_value) [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.c36: %DestroyT.binding.as_type.as.Destroy.impl.Op.type.49b = struct_value () [concrete]
// CHECK:STDOUT: %ptr.0b7: type = ptr_type %tuple.type.a1c [concrete]
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function %DestroyT.binding.as_type.as.Destroy.impl.Op.c36, @DestroyT.binding.as_type.as.Destroy.impl.Op(%facet_value) [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: .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.e24: @Core.IntLiteral.as.ImplicitAs.impl.%Core.IntLiteral.as.ImplicitAs.impl.Convert.type (%Core.IntLiteral.as.ImplicitAs.impl.Convert.type.f51) = 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.2a1)]
// CHECK:STDOUT: %ImplicitAs.impl_witness_table.132 = impl_witness_table (%Core.import_ref.e24), @Core.IntLiteral.as.ImplicitAs.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: .Foo = %Foo.decl
// CHECK:STDOUT: .Main = %Main.decl
// CHECK:STDOUT: }
// CHECK:STDOUT: %Core.import = import Core
// CHECK:STDOUT: %Foo.decl: %Foo.type = fn_decl @Foo [concrete = constants.%Foo] {
// CHECK:STDOUT: %a.patt: %pattern_type.7ce = value_binding_pattern a [concrete]
// CHECK:STDOUT: %a.param_patt: %pattern_type.7ce = value_param_pattern %a.patt, call_param0 [concrete]
// CHECK:STDOUT: %b.patt: %pattern_type.7ce = value_binding_pattern b [concrete]
// CHECK:STDOUT: %b.param_patt: %pattern_type.7ce = value_param_pattern %b.patt, call_param1 [concrete]
// CHECK:STDOUT: } {
// CHECK:STDOUT: %a.param: %i32 = value_param call_param0
// CHECK:STDOUT: %.loc15_11: type = splice_block %i32.loc15_11 [concrete = constants.%i32] {
// CHECK:STDOUT: %int_32.loc15_11: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc15_11: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %a: %i32 = value_binding a, %a.param
// CHECK:STDOUT: %b.param: %i32 = value_param call_param1
// CHECK:STDOUT: %.loc15_19: type = splice_block %i32.loc15_19 [concrete = constants.%i32] {
// CHECK:STDOUT: %int_32.loc15_19: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32.loc15_19: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: }
// CHECK:STDOUT: %b: %i32 = value_binding b, %b.param
// CHECK:STDOUT: }
// CHECK:STDOUT: %Main.decl: %Main.type = fn_decl @Main [concrete = constants.%Main] {} {}
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Foo(%a.param: %i32, %b.param: %i32) {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
// CHECK:STDOUT: fn @Main() {
// CHECK:STDOUT: !entry:
// CHECK:STDOUT: name_binding_decl {
// CHECK:STDOUT: %x.patt: %pattern_type.b74 = ref_binding_pattern x [concrete]
// CHECK:STDOUT: %x.var_patt: %pattern_type.b74 = var_pattern %x.patt [concrete]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x.var: ref %tuple.type.a1c = var %x.var_patt
// CHECK:STDOUT: %int_1: Core.IntLiteral = int_value 1 [concrete = constants.%int_1.5b8]
// CHECK:STDOUT: %.loc18_22.1: %tuple.type.985 = tuple_literal (%int_1) [concrete = constants.%tuple.378]
// CHECK:STDOUT: %impl.elem0.loc18: %.322 = impl_witness_access constants.%ImplicitAs.impl_witness.bc9, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b]
// CHECK:STDOUT: %bound_method.loc18_22.1: <bound method> = bound_method %int_1, %impl.elem0.loc18 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.265]
// CHECK:STDOUT: %specific_fn.loc18: <specific function> = specific_function %impl.elem0.loc18, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc18_22.2: <bound method> = bound_method %int_1, %specific_fn.loc18 [concrete = constants.%bound_method.dfc]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc18: init %i32 = call %bound_method.loc18_22.2(%int_1) [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc18_22.2: init %i32 = converted %int_1, %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc18 [concrete = constants.%int_1.5d2]
// CHECK:STDOUT: %.loc18_22.3: init %tuple.type.a1c = tuple_init (%.loc18_22.2) to %x.var [concrete = constants.%tuple.246]
// CHECK:STDOUT: %.loc18_3: init %tuple.type.a1c = converted %.loc18_22.1, %.loc18_22.3 [concrete = constants.%tuple.246]
// CHECK:STDOUT: assign %x.var, %.loc18_3
// CHECK:STDOUT: %.loc18_15.1: type = splice_block %.loc18_15.3 [concrete = constants.%tuple.type.a1c] {
// CHECK:STDOUT: %int_32: Core.IntLiteral = int_value 32 [concrete = constants.%int_32]
// CHECK:STDOUT: %i32: type = class_type @Int, @Int(constants.%int_32) [concrete = constants.%i32]
// CHECK:STDOUT: %.loc18_15.2: %tuple.type.85c = tuple_literal (%i32) [concrete = constants.%tuple.896]
// CHECK:STDOUT: %.loc18_15.3: type = converted %.loc18_15.2, constants.%tuple.type.a1c [concrete = constants.%tuple.type.a1c]
// CHECK:STDOUT: }
// CHECK:STDOUT: %x: ref %tuple.type.a1c = ref_binding x, %x.var
// CHECK:STDOUT: %Foo.ref: %Foo.type = name_ref Foo, file.%Foo.decl [concrete = constants.%Foo]
// CHECK:STDOUT: %x.ref: ref %tuple.type.a1c = name_ref x, %x
// CHECK:STDOUT: %int_0: Core.IntLiteral = int_value 0 [concrete = constants.%int_0]
// CHECK:STDOUT: %tuple.elem0: ref %i32 = tuple_access %x.ref, element0
// CHECK:STDOUT: %int_6: Core.IntLiteral = int_value 6 [concrete = constants.%int_6.462]
// CHECK:STDOUT: %.loc20_8: %i32 = acquire_value %tuple.elem0
// CHECK:STDOUT: %impl.elem0.loc20: %.322 = impl_witness_access constants.%ImplicitAs.impl_witness.bc9, element0 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.e9b]
// CHECK:STDOUT: %bound_method.loc20_12.1: <bound method> = bound_method %int_6, %impl.elem0.loc20 [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.bound.a4a]
// CHECK:STDOUT: %specific_fn.loc20: <specific function> = specific_function %impl.elem0.loc20, @Core.IntLiteral.as.ImplicitAs.impl.Convert(constants.%int_32) [concrete = constants.%Core.IntLiteral.as.ImplicitAs.impl.Convert.specific_fn]
// CHECK:STDOUT: %bound_method.loc20_12.2: <bound method> = bound_method %int_6, %specific_fn.loc20 [concrete = constants.%bound_method.b96]
// CHECK:STDOUT: %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc20: init %i32 = call %bound_method.loc20_12.2(%int_6) [concrete = constants.%int_6.e56]
// CHECK:STDOUT: %.loc20_12.1: %i32 = value_of_initializer %Core.IntLiteral.as.ImplicitAs.impl.Convert.call.loc20 [concrete = constants.%int_6.e56]
// CHECK:STDOUT: %.loc20_12.2: %i32 = converted %int_6, %.loc20_12.1 [concrete = constants.%int_6.e56]
// CHECK:STDOUT: %Foo.call: init %empty_tuple.type = call %Foo.ref(%.loc20_8, %.loc20_12.2)
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.bound: <bound method> = bound_method %x.var, constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.c36
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn: <specific function> = specific_function constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.c36, @DestroyT.binding.as_type.as.Destroy.impl.Op(constants.%facet_value) [concrete = constants.%DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn]
// CHECK:STDOUT: %bound_method.loc18_3: <bound method> = bound_method %x.var, %DestroyT.binding.as_type.as.Destroy.impl.Op.specific_fn
// CHECK:STDOUT: %addr: %ptr.0b7 = addr_of %x.var
// CHECK:STDOUT: %DestroyT.binding.as_type.as.Destroy.impl.Op.call: init %empty_tuple.type = call %bound_method.loc18_3(%addr)
// CHECK:STDOUT: return
// CHECK:STDOUT: }
// CHECK:STDOUT:
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