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JSSpecCompiler: Save references to return value and function arguments

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This commit is contained in:
Dan Klishch 2023-10-21 21:18:58 -04:00 • committed by Andrew Kaster
parent 7f47340c82
commit 5825eaa264
10 changed files with 89 additions and 49 deletions
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6
Meta/Lagom/Tools/CodeGenerators/JSSpecCompiler/Compiler/Passes/CFGBuildingPass.cpp
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@ -16,7 +16,7 @@ void CFGBuildingPass::process_function()
m_current_block = m_cfg->start_block = create_empty_block();
m_cfg->end_block = create_empty_block();
m_cfg->end_block->m_continuation = make_ref_counted<ControlFlowFunctionReturn>(
make_ref_counted<Variable>(m_function->m_return_value));
make_ref_counted<Variable>(m_function->m_named_return_value));
m_is_expression_stack = { false };
run_in_subtree(m_function->m_ast);
@ -25,7 +25,7 @@ void CFGBuildingPass::process_function()
// error_tree will 100% confuse future passes.
m_current_block->m_expressions.append(make_ref_counted<BinaryOperation>(
BinaryOperator::Assignment,
make_ref_counted<Variable>(m_function->m_return_value),
make_ref_counted<Variable>(m_function->m_named_return_value),
error_tree));
m_current_block->m_continuation = make_ref_counted<ControlFlowJump>(m_cfg->end_block);
}
@ -63,7 +63,7 @@ RecursionDecision CFGBuildingPass::on_entry(Tree tree)
if (auto return_node = as<ReturnNode>(tree); return_node) {
Tree return_assignment = make_ref_counted<BinaryOperation>(
BinaryOperator::Assignment,
make_ref_counted<Variable>(m_function->m_return_value),
make_ref_counted<Variable>(m_function->m_named_return_value),
return_node->m_return_value);
run_in_subtree(return_assignment);
auto* return_block = exchange_current_with_empty();