mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
Dana Jansens
5ae5170421
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`.
124 lines
4.6 KiB
Plaintext
124 lines
4.6 KiB
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// INCLUDE-FILE: toolchain/testing/testdata/min_prelude/none.carbon
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// TODO: Add ranges and switch to "--dump-sem-ir-ranges=only".
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// EXTRA-ARGS: --dump-sem-ir-ranges=if-present
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//
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// AUTOUPDATE
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// TIP: To test this file alone, run:
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// TIP: bazel test //toolchain/testing:file_test --test_arg=--file_tests=toolchain/check/testdata/function/declaration/export_name.carbon
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// TIP: To dump output, run:
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// TIP: bazel run //toolchain/testing:file_test -- --dump_output --file_tests=toolchain/check/testdata/function/declaration/export_name.carbon
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// ============================================================================
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// Setup files
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// ============================================================================
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// --- base.carbon
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library "[[@TEST_NAME]]";
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fn F();
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// --- export.carbon
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library "[[@TEST_NAME]]";
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import library "base";
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export F;
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// ============================================================================
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// Test files
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// ============================================================================
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// --- use_export.carbon
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library "[[@TEST_NAME]]";
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import library "export";
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var f: () = F();
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// CHECK:STDOUT: --- base.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
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// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .F = %F.decl
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %F.decl: %F.type = fn_decl @F [concrete = constants.%F] {} {}
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F();
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- export.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
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// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Main.F: %F.type = import_ref Main//base, F, loaded [concrete = constants.%F]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .F = %F
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %default.import = import <none>
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// CHECK:STDOUT: %F: %F.type = export F, imports.%Main.F [concrete = constants.%F]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F [from "base.carbon"];
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// CHECK:STDOUT:
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// CHECK:STDOUT: --- use_export.carbon
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// CHECK:STDOUT:
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// CHECK:STDOUT: constants {
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// CHECK:STDOUT: %empty_tuple.type: type = tuple_type () [concrete]
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// CHECK:STDOUT: %empty_tuple: %empty_tuple.type = tuple_value () [concrete]
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// CHECK:STDOUT: %pattern_type: type = pattern_type %empty_tuple.type [concrete]
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// CHECK:STDOUT: %F.type: type = fn_type @F [concrete]
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// CHECK:STDOUT: %F: %F.type = struct_value () [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: imports {
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// CHECK:STDOUT: %Main.F: %F.type = import_ref Main//export, F, loaded [concrete = constants.%F]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: file {
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// CHECK:STDOUT: package: <namespace> = namespace [concrete] {
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// CHECK:STDOUT: .F = imports.%Main.F
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// CHECK:STDOUT: .f = %f
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %default.import = import <none>
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// CHECK:STDOUT: name_binding_decl {
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// CHECK:STDOUT: %f.patt: %pattern_type = ref_binding_pattern f [concrete]
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// CHECK:STDOUT: %f.var_patt: %pattern_type = var_pattern %f.patt [concrete]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %f.var: ref %empty_tuple.type = var %f.var_patt [concrete]
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// CHECK:STDOUT: %.loc6_9.1: type = splice_block %.loc6_9.3 [concrete = constants.%empty_tuple.type] {
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// CHECK:STDOUT: %.loc6_9.2: %empty_tuple.type = tuple_literal () [concrete = constants.%empty_tuple]
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// CHECK:STDOUT: %.loc6_9.3: type = converted %.loc6_9.2, constants.%empty_tuple.type [concrete = constants.%empty_tuple.type]
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// CHECK:STDOUT: }
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// CHECK:STDOUT: %f: ref %empty_tuple.type = ref_binding f, %f.var [concrete = %f.var]
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @F [from "export.carbon"];
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// CHECK:STDOUT:
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// CHECK:STDOUT: fn @__global_init() {
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// CHECK:STDOUT: !entry:
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// CHECK:STDOUT: %F.ref: %F.type = name_ref F, imports.%Main.F [concrete = constants.%F]
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// CHECK:STDOUT: %F.call: init %empty_tuple.type = call %F.ref()
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// CHECK:STDOUT: assign file.%f.var, %F.call
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// CHECK:STDOUT: return
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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