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JSSpecCompiler: Prepare for building SSA
This commit introduces NamedVariableDeclaration and SSAVariableDeclaration and allows storing both of them in Variable node. Also, it adds additional structures in FunctionDefinition and BasicBlock, which will be used to store SSA form related information.
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11 changed files with 173 additions and 13 deletions
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@ -4,6 +4,7 @@
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/String.h>
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#include <AK/StringBuilder.h>
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#include "AST/AST.h"
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@ -17,6 +18,15 @@ ErrorOr<void> AK::Formatter<ControlFlowGraph>::format(FormatBuilder& format_buil
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for (auto const& block : control_flow_graph.blocks) {
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builder.appendff("{}:\n", block->m_index);
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for (auto const& phi_node : block->m_phi_nodes) {
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builder.appendff("{} = phi(", phi_node.var->name());
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for (auto const& branches : phi_node.branches) {
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builder.appendff("{}: {}", branches.block->m_index, branches.value->name());
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if (&branches != &phi_node.branches.last())
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builder.appendff(", ");
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}
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builder.appendff(")\n");
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}
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for (auto const& expression : block->m_expressions)
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builder.appendff("{}", expression);
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builder.appendff("{}\n", Tree(block->m_continuation));
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