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Catch exceptions by const-reference

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Exceptions caught by value incur needless cost in C++, most of them can
be caught by const-reference, especially as nearly none are actually
used. This could allow compiler generate a slightly more efficient code.
This commit is contained in:
Michał Janiszewski 2018-10-12 21:15:31 +02:00
parent b301a59899
commit cfd0486582
36 changed files with 45 additions and 45 deletions
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6
src/sat/sat_bdd.cpp
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@ -87,7 +87,7 @@ namespace sat {
try {
return apply_rec(arg1, arg2, op);
}
catch (mem_out) {
catch (const mem_out &) {
try_reorder();
if (!first) throw;
first = false;
@ -546,7 +546,7 @@ namespace sat {
try {
return bdd(mk_not_rec(b.root), this);
}
catch (mem_out) {
catch (const mem_out &) {
try_reorder();
if (!first) throw;
first = false;
@ -575,7 +575,7 @@ namespace sat {
try {
return bdd(mk_ite_rec(c.root, t.root, e.root), this);
}
catch (mem_out) {
catch (const mem_out &) {
try_reorder();
if (!first) throw;
first = false;

2
src/sat/sat_solver.cpp
View file

@ -1147,7 +1147,7 @@ namespace sat {
}
}
catch (abort_solver) {
catch (const abort_solver &) {
m_reason_unknown = "sat.giveup";
return l_undef;
}