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2d732b2251
This allows us to get rid of instructions that move arguments to locals
and allocate smaller JS::Value vector in ExecutionContext by reusing
slots that were already allocated for arguments.
With this change for following function:
```js
function f(x, y) {
return x + y;
}
```
we now produce following bytecode:
```
[ 0] 0: Add dst:reg6, lhs:arg0, rhs:arg1
[ 10] Return value:reg6
```
instead of:
```
[ 0] 0: GetArgument 0, dst:x~1
[ 10] GetArgument 1, dst:y~0
[ 20] Add dst:reg6, lhs:x~1, rhs:y~0
[ 30] Return value:reg6
```
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|---|---|---|
| .. | ||
| ASTCodegen.cpp | ||
| BasicBlock.cpp | ||
| BasicBlock.h | ||
| Builtins.cpp | ||
| Builtins.h | ||
| CodeGenerationError.cpp | ||
| CodeGenerationError.h | ||
| Executable.cpp | ||
| Executable.h | ||
| Generator.cpp | ||
| Generator.h | ||
| IdentifierTable.cpp | ||
| IdentifierTable.h | ||
| Instruction.cpp | ||
| Instruction.h | ||
| Interpreter.cpp | ||
| Interpreter.h | ||
| Label.cpp | ||
| Label.h | ||
| Op.h | ||
| Operand.h | ||
| RegexTable.cpp | ||
| RegexTable.h | ||
| Register.h | ||
| ScopedOperand.cpp | ||
| ScopedOperand.h | ||
| StringTable.cpp | ||
| StringTable.h | ||