| entry | Root basic-block of the graph. |
| word | The word the cfg is produced from. |
| post-order | The blocks of the cfg in a post order traversal sequence. |
| stack-frame | stack-frame of the cfg. |
| frame-pointer? | Whether the cfg needs a frame pointer. Only cfgs generated for #alien-callback nodes does need it. If the slot is t, then the frame pointer register (RBP on x86.64 archs) will not be clobbered by register allocation. See compiler.cfg.linear-scan for details. |