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basic framework in place for rigorously assessing side effects

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This commit is contained in:
Vern Paxson 2023-11-24 16:36:55 -08:00
parent b0a200a5dc
commit b645336b5d
12 changed files with 1686 additions and 54 deletions
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25
src/script_opt/Reduce.cc
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@ -911,6 +911,31 @@ TraversalCode CSE_ValidityChecker::PreExpr(const Expr* e) {
case EXPR_CALL:
if ( sensitive_to_calls ) {
auto c = e->AsCallExpr();
auto func = c->Func();
std::string desc;
if ( func->Tag() == EXPR_NAME ) {
auto f = func->AsNameExpr()->Id();
if ( f->IsGlobal() ) {
auto func_v = f->GetVal();
if ( func_v ) {
auto func_vf = func_v->AsFunc();
if ( func_vf->GetKind() == Func::SCRIPT_FUNC )
desc = "script";
else
desc = "BiF";
}
else
desc = "missing";
}
else
desc = "indirect";
}
else
desc = "compound-indirect";
// printf("call sensitivity: %s %s\n", desc.c_str(), obj_desc(e).c_str());
is_valid = false;
return TC_ABORTALL;
}