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fixes for a number of ZAM optimization bugs

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This commit is contained in:
Vern Paxson 2023-11-05 16:26:38 -08:00 • committed by Arne Welzel
parent 9bfe18473d
commit 1dc74eaa9c
11 changed files with 44 additions and 28 deletions
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6
src/script_opt/Stmt.cc
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@ -171,7 +171,7 @@ void IfStmt::Inline(Inliner* inl) {
}
bool IfStmt::IsReduced(Reducer* c) const {
if ( ! e->IsReducedConditional(c) )
if ( e->IsConst() || ! e->IsReducedConditional(c) )
return NonReduced(e.get());
return s1->IsReduced(c) && s2->IsReduced(c);
@ -707,7 +707,7 @@ bool StmtList::ReduceStmt(unsigned int& s_i, std::vector<StmtPtr>& f_stmts, Redu
if ( e->Tag() != EXPR_ASSIGN ) {
f_stmts.push_back(std::move(stmt));
return false;
return did_change;
}
auto a = e->AsAssignExpr();
@ -715,7 +715,7 @@ bool StmtList::ReduceStmt(unsigned int& s_i, std::vector<StmtPtr>& f_stmts, Redu
if ( lhs->Tag() != EXPR_NAME ) {
f_stmts.push_back(std::move(stmt));
return false;
return did_change;
}
auto var = lhs->AsNameExpr();