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opt_mem, memory_*: Refuse to operate in presence of processes

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Processes can contain `MemWriteAction` entries which are invisible to
most passes operating on memories but which will be lowered to write
ports later on by `proc_memwr`. For that reason we can get corrupted
RTLIL if we sequence the memory passes before `proc`. Address that by
making the affected memory passes ignore modules with processes.
This commit is contained in:
Martin Povišer 2024-02-23 12:26:47 +01:00
parent 975517b022
commit 030d639201
6 changed files with 20 additions and 1 deletions
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6
passes/memory/memory_share.cc
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@ -558,8 +558,12 @@ struct MemorySharePass : public Pass {
extra_args(args, argidx, design);
MemoryShareWorker msw(design, flag_widen, flag_sat);
for (auto module : design->selected_modules())
for (auto module : design->selected_modules()) {
if (module->has_processes_warn())
continue;
msw(module);
}
}
} MemorySharePass;