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Added SigSpec::has_const()

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This commit is contained in:
Clifford Wolf 2015-02-08 00:01:51 +01:00
parent 0da320f151
commit 05d4223fb6
2 changed files with 13 additions and 0 deletions
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12
kernel/rtlil.cc
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@ -1078,6 +1078,7 @@ void RTLIL::Module::check()
for (auto &it : connections_) { for (auto &it : connections_) {
log_assert(it.first.size() == it.second.size()); log_assert(it.first.size() == it.second.size());
log_assert(!it.first.has_const());
it.first.check(); it.first.check();
it.second.check(); it.second.check();
} }
@ -2968,6 +2969,17 @@ bool RTLIL::SigSpec::is_fully_undef() const
return true; return true;
} }
bool RTLIL::SigSpec::has_const() const
{
cover("kernel.rtlil.sigspec.has_const");
pack();
for (auto it = chunks_.begin(); it != chunks_.end(); it++)
if (it->width > 0 && it->wire == NULL)
return true;
return false;
}
bool RTLIL::SigSpec::has_marked_bits() const bool RTLIL::SigSpec::has_marked_bits() const
{ {
cover("kernel.rtlil.sigspec.has_marked_bits"); cover("kernel.rtlil.sigspec.has_marked_bits");

1
kernel/rtlil.h
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@ -672,6 +672,7 @@ public:
bool is_fully_const() const; bool is_fully_const() const;
bool is_fully_def() const; bool is_fully_def() const;
bool is_fully_undef() const; bool is_fully_undef() const;
bool has_const() const;
bool has_marked_bits() const; bool has_marked_bits() const;
bool as_bool() const; bool as_bool() const;