luaur-code-gen 0.1.0

Native (A64/X64) code generation for Luau (Rust).
Documentation 
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use crate::records::ir_call_wrapper_x_64::IrCallWrapperX64;
use crate::records::register_x_64::RegisterX64;

impl IrCallWrapperX64 {
    pub fn rename_source_registers(&mut self, reg: RegisterX64, replacement: RegisterX64) {
        for i in 0..(self.arg_count as usize) {
            if self.args[i].candidate {
                // Raw pointers launder the aliasing of `self.args[i]` with the `&mut self`
                // receiver of `rename_register` (matches the C++ in-place rename).
                let base_ptr: *mut RegisterX64 = &mut self.args[i].source.base;
                let index_ptr: *mut RegisterX64 = &mut self.args[i].source.index;

                self.rename_register(unsafe { &mut *base_ptr }, reg, replacement);
                self.rename_register(unsafe { &mut *index_ptr }, reg, replacement);
            }
        }

        let func_base_ptr: *mut RegisterX64 = &mut self.func_op.base;
        let func_index_ptr: *mut RegisterX64 = &mut self.func_op.index;

        self.rename_register(unsafe { &mut *func_base_ptr }, reg, replacement);
        self.rename_register(unsafe { &mut *func_index_ptr }, reg, replacement);
    }
}