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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
ec307b18d8
This is continuing with #3070, starting dir renaming with lowering because it's at the tip. AFAICT git is catching all the file moves.
48 lines
1.9 KiB
C++
48 lines
1.9 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/lower/function_context.h"
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namespace Carbon::Lower {
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auto HandleBindValue(FunctionContext& context, SemIR::NodeId node_id,
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SemIR::Node node) -> void {
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switch (auto rep = SemIR::GetValueRepresentation(context.semantics_ir(),
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node.type_id());
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rep.kind) {
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case SemIR::ValueRepresentation::None:
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// Nothing should use this value, but StubReference needs a value to
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// propagate.
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context.SetLocal(node_id,
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llvm::PoisonValue::get(context.GetType(node.type_id())));
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break;
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case SemIR::ValueRepresentation::Copy:
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context.SetLocal(node_id, context.builder().CreateLoad(
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context.GetType(node.type_id()),
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context.GetLocal(node.GetAsBindValue())));
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break;
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case SemIR::ValueRepresentation::Pointer:
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context.SetLocal(node_id, context.GetLocal(node.GetAsBindValue()));
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break;
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case SemIR::ValueRepresentation::Custom:
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CARBON_FATAL() << "TODO: Add support for BindValue with custom value rep";
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}
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}
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auto HandleTemporary(FunctionContext& context, SemIR::NodeId node_id,
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SemIR::Node node) -> void {
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auto [temporary_id, init_id] = node.GetAsTemporary();
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context.FinishInitialization(node.type_id(), temporary_id, init_id);
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context.SetLocal(node_id, context.GetLocal(temporary_id));
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}
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auto HandleTemporaryStorage(FunctionContext& context, SemIR::NodeId node_id,
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SemIR::Node node) -> void {
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context.SetLocal(
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node_id, context.builder().CreateAlloca(context.GetType(node.type_id()),
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nullptr, "temp"));
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}
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} // namespace Carbon::Lower
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