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Sta::isConstant 

Signed-off-by: James Cherry <cherry@parallaxsw.com>
This commit is contained in:
James Cherry 2026-01-15 16:30:52 -07:00
parent be56eadb47
commit fc8d7fad67
2 changed files with 11 additions and 0 deletions
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2
include/sta/Sta.hh
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@ -538,6 +538,8 @@ public:
Sdc *sdc); Sdc *sdc);
void removeDisable(TimingArcSet *arc_set, void removeDisable(TimingArcSet *arc_set,
Sdc *sdc); Sdc *sdc);
[[nodiscard]] bool isConstant(const Pin *pin,
const Mode *mode) const;
// Edge is disabled by constant. // Edge is disabled by constant.
[[nodiscard]] bool isDisabledConstant(Edge *edge, [[nodiscard]] bool isDisabledConstant(Edge *edge,
const Mode *mode); const Mode *mode);

9
search/Sta.cc
View File

@ -1715,6 +1715,15 @@ Sta::isDisabledConstraint(Edge *edge,
|| sdc->isDisabledConstraint(edge); || sdc->isDisabledConstraint(edge);
} }
bool
Sta::isConstant(const Pin *pin,
const Mode *mode) const
{
Sim *sim = mode->sim();
sim->ensureConstantsPropagated();
return sim->isConstant(pin);
}
bool bool
Sta::isDisabledConstant(Edge *edge, Sta::isDisabledConstant(Edge *edge,
const Mode *mode) const Mode *mode)