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| author | Sylvain Munaut <tnt@246tNt.com> | 2019-04-03 14:50:12 +0200 |
|---|---|---|
| committer | Sylvain Munaut <tnt@246tNt.com> | 2019-04-03 14:50:12 +0200 |
| commit | 39380c45ba6cb4d2aa3f8c5757a2f1a61f85f8eb (patch) | |
| tree | 54e4ff55d78ed88f5735e6cd1d10e15d222ff9f0 /passes/proc | |
| parent | 721fa1cbd87c52a3adfce260f35fc33a7ae7ac4d (diff) | |
| download | yosys-39380c45ba6cb4d2aa3f8c5757a2f1a61f85f8eb.tar.gz yosys-39380c45ba6cb4d2aa3f8c5757a2f1a61f85f8eb.tar.bz2 yosys-39380c45ba6cb4d2aa3f8c5757a2f1a61f85f8eb.zip | |
proc_mux: Fix crash when trying to optimize non-existant mux to shiftx
last_mux_cell can be NULL ...
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Diffstat (limited to 'passes/proc')
| -rw-r--r-- | passes/proc/proc_mux.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/passes/proc/proc_mux.cc b/passes/proc/proc_mux.cc index 7d3d23408..bac2dc2cd 100644 --- a/passes/proc/proc_mux.cc +++ b/passes/proc/proc_mux.cc @@ -361,7 +361,7 @@ RTLIL::SigSpec signal_to_mux_tree(RTLIL::Module *mod, SnippetSwCache &swcache, d } // Transform into a $shiftx where possible - if (shiftx && last_mux_cell->type == "$pmux") { + if (shiftx && last_mux_cell && last_mux_cell->type == "$pmux") { // Create bit-blasted $shiftx-es that shifts by the address line used in the case statement auto pmux_b_port = last_mux_cell->getPort("\\B"); auto pmux_y_port = last_mux_cell->getPort("\\Y"); |