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author | Marcelina KoĆcielnicka <mwk@0x04.net> | 2022-06-13 12:22:59 +0200 |
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committer | Marcelina KoĆcielnicka <mwk@0x04.net> | 2022-06-13 14:04:04 +0200 |
commit | 1ff0e1a58a350c03f59053a584d2e4b76a5a1b80 (patch) | |
tree | d23fa8084d31904f19f12cb8a98b15a1696e1e22 /passes/opt/opt_ffinv.cc | |
parent | ddc8044655cf19878f02db13bd48fc5731989544 (diff) | |
download | yosys-1ff0e1a58a350c03f59053a584d2e4b76a5a1b80.tar.gz yosys-1ff0e1a58a350c03f59053a584d2e4b76a5a1b80.tar.bz2 yosys-1ff0e1a58a350c03f59053a584d2e4b76a5a1b80.zip |
opt_ffinv: Fix use after free.
Diffstat (limited to 'passes/opt/opt_ffinv.cc')
-rw-r--r-- | passes/opt/opt_ffinv.cc | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/passes/opt/opt_ffinv.cc b/passes/opt/opt_ffinv.cc index fe5b59fa5..5d989dafd 100644 --- a/passes/opt/opt_ffinv.cc +++ b/passes/opt/opt_ffinv.cc @@ -201,10 +201,13 @@ struct OptFfInvWorker { log("Discovering LUTs.\n"); - for (Cell *cell : module->selected_cells()) { - if (!RTLIL::builtin_ff_cell_types().count(cell->type)) - continue; + std::vector<Cell *> ffs; + + for (Cell *cell : module->selected_cells()) + if (RTLIL::builtin_ff_cell_types().count(cell->type)) + ffs.push_back(cell); + for (Cell *cell : ffs) { FfData ff(&initvals, cell); if (ff.has_sr) continue; |