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ladybird/Libraries/LibJS/Bytecode
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InvalidUsernameException 133bbeb4ec LibJS: Copy LHS of binary expression to preserve evaluation order 
This error was found by asking an LLM to generate additional, related
test cases for the bug affecting https://volkswagen.de fixed in an
earlier commit.

An unconditional call to `copy_if_needed_to_preserve_evaluation_order`
in this place was showing up quiet significantly in the JS benchmarks.
To avoid the regression, there is now a small heuristic that avoids the
unnecessary Mov instruction in the vast majority of cases. This is
likely not the best way to deal with this. But the changes in the
current patch set are focussed on correctness, not performance. So I
opted for a localized, minimal-impact solution to the performance
regression.
2026-03-08 15:01:07 +01:00
..
AsmInterpreter AsmIntGen: Support [pb, pc, field] three-operand memory access 2026-03-08 10:27:13 +01:00
ASTCodegen.cpp LibJS: Copy LHS of binary expression to preserve evaluation order 2026-03-08 15:01:07 +01:00
BasicBlock.cpp LibJS: Stop worrying about Instruction destructors 2025-11-21 09:46:03 +01:00
BasicBlock.h LibJS: Collapse handler/finalizer into single exception handler target 2026-02-09 16:35:39 +01:00
BuiltinAbstractOperationsEnabled.h LibJS: Introduce NativeJavaScriptBackedFunction 2025-11-30 11:54:54 +01:00
Builtins.cpp
Builtins.h LibJS: Skip generic call when using regexp builtins in StringPrototype 2025-12-13 13:51:12 -06:00
Bytecode.def LibJS: Store cache pointers directly in bytecode instructions 2026-03-08 10:27:13 +01:00
ClassBlueprint.h LibJS: Add ClassBlueprint data structures 2026-02-11 23:57:41 +01:00
Executable.cpp LibJS: Store cache pointers directly in bytecode instructions 2026-03-08 10:27:13 +01:00
Executable.h LibJS: Store cache pointers directly in bytecode instructions 2026-03-08 10:27:13 +01:00
FormatOperand.h LibJS: Flatten Operand to 32-bit index in bytecode instruction stream 2025-12-09 21:44:13 -06:00
Generator.cpp LibJS: Do not assume arguments cannot be clobbered 2026-03-08 15:01:07 +01:00
Generator.h LibJS: Consolidate TDZ check emission into Generator helper 2026-02-17 20:44:57 +01:00
IdentifierTable.cpp LibJS+LibWeb+WebContent: Port JS::PropertyKey to UTF-16 2025-08-05 07:07:15 -04:00
IdentifierTable.h LibJS: Give Interpreter a direct pointer to the identifier table 2025-10-07 23:50:51 +02:00
Instruction.cpp LibJS: Flatten Operand to 32-bit index in bytecode instruction stream 2025-12-09 21:44:13 -06:00
Instruction.h Meta: Reformat QtCreator file-listing script for readability 2026-02-23 13:10:03 +01:00
Interpreter.cpp LibJS: Store cache pointers directly in bytecode instructions 2026-03-08 10:27:13 +01:00
Interpreter.h LibJS: Move Interpreter::get/set inline and expose internals 2026-03-07 13:09:59 +01:00
Label.cpp
Label.h LibJS: Revert Enable EXPLICIT_SYMBOL_EXPORT 2025-07-22 11:51:29 -04:00
Operand.h LibJS: Flatten Operand to 32-bit index in bytecode instruction stream 2025-12-09 21:44:13 -06:00
PropertyAccess.h LibJS: Replace GC::Weak with GC::RawPtr in inline cache entries 2026-03-08 10:27:13 +01:00
PropertyKeyTable.cpp LibJS: Cache fully-formed PropertyKeys in Executable 2025-12-11 14:34:45 -06:00
PropertyKeyTable.h LibJS+LibWeb: Add missing GC marking visits 2026-01-07 12:48:58 +01:00
PutKind.h LibJS: Consolidate Put bytecode instructions and reduce code bloat 2026-03-04 18:53:12 +01:00
RegexTable.cpp LibJS: Don't rerun regexp optimizer every time a regexp literal is used 2025-12-12 11:43:35 -06:00
RegexTable.h LibJS: Don't rerun regexp optimizer every time a regexp literal is used 2025-12-12 11:43:35 -06:00
Register.h LibJS: Replace implicit environment stack with explicit registers 2026-02-09 16:35:39 +01:00
ScopedOperand.cpp LibJS: Flatten Operand to 32-bit index in bytecode instruction stream 2025-12-09 21:44:13 -06:00
ScopedOperand.h LibJS: Revert Enable EXPLICIT_SYMBOL_EXPORT 2025-07-22 11:51:29 -04:00
StringTable.cpp LibJS+LibWeb: Port interned bytecode strings to UTF-16 2025-08-14 10:27:08 +02:00
StringTable.h LibJS+LibWeb: Port interned bytecode strings to UTF-16 2025-08-14 10:27:08 +02:00