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39 lines
1.4 KiB
C++
39 lines
1.4 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/sem_ir/constant.h"
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#include "toolchain/sem_ir/file.h"
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namespace Carbon::SemIR {
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auto ConstantStore::GetOrAdd(Inst inst, bool is_symbolic) -> ConstantId {
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auto result = map_.Insert(inst, [&] {
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auto inst_id = sem_ir_->insts().AddInNoBlock(LocIdAndInst::NoLoc(inst));
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ConstantId const_id = ConstantId::Invalid;
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if (is_symbolic) {
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// The instruction in the constants store is an abstract symbolic
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// constant, not associated with any particular generic.
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auto symbolic_constant =
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SymbolicConstant{.inst_id = inst_id,
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.generic_id = GenericId::Invalid,
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.index = GenericInstIndex::Invalid};
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const_id =
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sem_ir_->constant_values().AddSymbolicConstant(symbolic_constant);
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} else {
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const_id = SemIR::ConstantId::ForTemplateConstant(inst_id);
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}
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sem_ir_->constant_values().Set(inst_id, const_id);
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constants_.push_back(inst_id);
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return const_id;
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});
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CARBON_CHECK(result.value() != ConstantId::Invalid);
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CARBON_CHECK(
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result.value().is_symbolic() == is_symbolic,
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"Constant {0} registered as both symbolic and template constant.", inst);
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return result.value();
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}
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} // namespace Carbon::SemIR
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