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proc_clean: remove any empty cases if all cases use all-def compare.

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This commit is contained in:
whitequark 2018-12-23 09:04:23 +00:00
parent b784440857
commit 18291c20d2
3 changed files with 42 additions and 6 deletions
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10
kernel/rtlil.cc
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@ -3793,6 +3793,11 @@ RTLIL::CaseRule::~CaseRule()
delete *it;
}
bool RTLIL::CaseRule::empty() const
{
return actions.empty() && switches.empty();
}
RTLIL::CaseRule *RTLIL::CaseRule::clone() const
{
RTLIL::CaseRule *new_caserule = new RTLIL::CaseRule;
@ -3809,6 +3814,11 @@ RTLIL::SwitchRule::~SwitchRule()
delete *it;
}
bool RTLIL::SwitchRule::empty() const
{
return cases.empty();
}
RTLIL::SwitchRule *RTLIL::SwitchRule::clone() const
{
RTLIL::SwitchRule *new_switchrule = new RTLIL::SwitchRule;