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21291b4cc3
This ensures that equal forms always have equal representations (because the index depends on how the form is used, not on the value of the form itself). As a byproduct, also remove `NextCallParamIndex`. --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Nicholas Bishop <nicholasbishop@google.com> Co-authored-by: Jon Ross-Perkins <jperkins@google.com> Co-authored-by: Dana Jansens <danakj@orodu.net> Co-authored-by: Boaz Brickner <brickner@google.com> Co-authored-by: Richard Smith <richard@metafoo.co.uk> Co-authored-by: Carbon Infra Bot <carbon-external-infra@google.com> Co-authored-by: MK4070 <60286678+MK4070@users.noreply.github.com> Co-authored-by: Christopher Di Bella <cjdb@google.com>
61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
// 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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#include "toolchain/check/global_init.h"
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#include "toolchain/check/context.h"
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#include "toolchain/check/inst.h"
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namespace Carbon::Check {
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auto GlobalInit::Resume() -> void {
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context_->inst_block_stack().Push(block_id_, block_);
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}
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auto GlobalInit::Suspend() -> void {
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// TODO: Consider splicing together blocks in order to avoid sizable copies
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// here.
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auto contents = context_->inst_block_stack().PeekCurrentBlockContents();
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block_.assign(contents.begin(), contents.end());
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block_id_ = context_->inst_block_stack().PeekOrAdd();
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context_->inst_block_stack().PopAndDiscard();
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}
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auto GlobalInit::Finalize() -> void {
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// __global_init is only added if there are initialization instructions.
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if (block_.empty() && block_id_ == SemIR::InstBlockId::GlobalInit) {
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return;
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}
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Resume();
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AddInst<SemIR::Return>(*context_, Parse::NodeId::None, {});
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// Pop the GlobalInit block here to finalize it.
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context_->inst_block_stack().Pop();
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auto name_id = context_->sem_ir().identifiers().Add("__global_init");
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context_->sem_ir().set_global_ctor_id(context_->sem_ir().functions().Add(
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{{.name_id = SemIR::NameId::ForIdentifier(name_id),
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.parent_scope_id = SemIR::NameScopeId::Package,
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.generic_id = SemIR::GenericId::None,
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.first_param_node_id = Parse::NodeId::None,
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.last_param_node_id = Parse::NodeId::None,
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.pattern_block_id = SemIR::InstBlockId::Empty,
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.implicit_param_patterns_id = SemIR::InstBlockId::None,
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.param_patterns_id = SemIR::InstBlockId::Empty,
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.is_extern = false,
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.extern_library_id = SemIR::LibraryNameId::None,
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.non_owning_decl_id = SemIR::InstId::None,
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.first_owning_decl_id = SemIR::InstId::None},
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{.call_param_patterns_id = SemIR::InstBlockId::Empty,
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.call_params_id = SemIR::InstBlockId::Empty,
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.call_param_ranges = SemIR::Function::CallParamIndexRanges::Empty,
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.return_type_inst_id = SemIR::TypeInstId::None,
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.return_form_inst_id = SemIR::InstId::None,
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.return_patterns_id = SemIR::InstBlockId::None,
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.body_block_ids = {SemIR::InstBlockId::GlobalInit}}}));
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}
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} // namespace Carbon::Check
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