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authorMiodrag Milanovic <mmicko@gmail.com>2023-01-17 12:58:08 +0100
committerMiodrag Milanovic <mmicko@gmail.com>2023-01-17 12:58:08 +0100
commit6574553189fb6ccb5d00a0c043671a625672b3d3 (patch)
tree57e3212ee75493d9f4939c9f9029b95880367a76 /passes/opt/opt_ffinv.cc
parent956c4e485a9463863f60c4dd03372db3fa8332a4 (diff)
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Fixes for some of clang scan-build detected issues
Diffstat (limited to 'passes/opt/opt_ffinv.cc')
-rw-r--r--passes/opt/opt_ffinv.cc3
1 files changed, 3 insertions, 0 deletions
diff --git a/passes/opt/opt_ffinv.cc b/passes/opt/opt_ffinv.cc
index 5d989dafd..3f7b4bc4a 100644
--- a/passes/opt/opt_ffinv.cc
+++ b/passes/opt/opt_ffinv.cc
@@ -64,6 +64,7 @@ struct OptFfInvWorker
log_assert(d_inv == nullptr);
d_inv = port.cell;
}
+ if (!d_inv) return false;
if (index.query_is_output(ff.sig_q))
return false;
@@ -140,6 +141,7 @@ struct OptFfInvWorker
log_assert(d_lut == nullptr);
d_lut = port.cell;
}
+ if (!d_lut) return false;
if (index.query_is_output(ff.sig_q))
return false;
@@ -167,6 +169,7 @@ struct OptFfInvWorker
log_assert(q_inv == nullptr);
q_inv = port.cell;
}
+ if (!q_inv) return false;
ff.flip_rst_bits({0});
ff.sig_q = q_inv->getPort(ID::Y);