1 /* Example of a loading a CFG like this:
15 (edge-from entry (flags "FALLTHRU"))
16 (cnote 1 [bb 2] NOTE_INSN_BASIC_BLOCK)
17 (edge-to 3 (flags "TRUE_VALUE"))
18 (edge-to 4 (flags "FALSE_VALUE"))
21 (edge-from 2 (flags "TRUE_VALUE"))
22 (cnote 2 [bb 3] NOTE_INSN_BASIC_BLOCK)
23 (edge-to 5 (flags "FALLTHRU"))
26 (edge-from 2 (flags "FALSE_VALUE"))
27 (cnote 3 [bb 4] NOTE_INSN_BASIC_BLOCK)
28 (edge-to 5 (flags "FALLTHRU"))
31 (edge-from 3 (flags "FALLTHRU"))
32 (edge-from 4 (flags "FALLTHRU"))
33 (cnote 4 [bb 5] NOTE_INSN_BASIC_BLOCK)
34 (edge-to exit (flags "FALLTHRU"))