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LibJS/Bytecode: Make for, do/while and while always switch to end block

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Previously we only did this if the body block was not terminated.
If it was, all future codegen would happen in this block terminated
body block until another switch occurred, dropping all generated
instructions in this time on the floor.
This commit is contained in:
Luke Wilde 2022-06-30 14:29:43 +01:00 • committed by Ali Mohammad Pur
commit bc08d39754
Notes: sideshowbarker 2024-07-17 09:48:43 +09:00
1 changed files with 7 additions and 7 deletions
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14
Userland/Libraries/LibJS/Bytecode/ASTCodegen.cpp
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@ -738,10 +738,10 @@ Bytecode::CodeGenerationErrorOr<void> WhileStatement::generate_labelled_evaluati
generator.emit<Bytecode::Op::Jump>().set_targets(
Bytecode::Label { test_block },
{});
generator.switch_to_basic_block(end_block);
generator.emit<Bytecode::Op::Load>(result_reg);
}
generator.switch_to_basic_block(end_block);
generator.emit<Bytecode::Op::Load>(result_reg);
return {};
}
@ -789,10 +789,10 @@ Bytecode::CodeGenerationErrorOr<void> DoWhileStatement::generate_labelled_evalua
generator.emit<Bytecode::Op::Jump>().set_targets(
Bytecode::Label { test_block },
{});
generator.switch_to_basic_block(end_block);
generator.emit<Bytecode::Op::Load>(result_reg);
}
generator.switch_to_basic_block(end_block);
generator.emit<Bytecode::Op::Load>(result_reg);
return {};
}
@ -895,15 +895,15 @@ Bytecode::CodeGenerationErrorOr<void> ForStatement::generate_labelled_evaluation
generator.emit<Bytecode::Op::Jump>().set_targets(
Bytecode::Label { *test_block_ptr },
{});
generator.switch_to_basic_block(end_block);
generator.emit<Bytecode::Op::Load>(result_reg);
}
if (has_lexical_environment)
generator.end_variable_scope();
generator.end_breakable_scope();
generator.switch_to_basic_block(end_block);
generator.emit<Bytecode::Op::Load>(result_reg);
return {};
}