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store intermediate calculations

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This commit is contained in:
Daniel Skantz 2025-09-03 06:20:22 +00:00
parent 7f5eb0b01b
commit 5638f221ce
1 changed files with 6 additions and 3 deletions
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9
src/hotspot/share/opto/stringopts.cpp
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@ -1073,9 +1073,12 @@ bool StringConcat::validate_control_flow() {
// in order to prevent an unsafe transformation in eliminate_unneeded_control,
// where the Bool would be replaced by a constant zero but the Phi stays live
// as it is a parameter of the concatenation itself.
assert(ptr->in(1)->in(0)->in(1)->is_Bool(), "unexpected if shape");
Node* v1 = ptr->in(1)->in(0)->in(1)->in(1)->in(1);
Node* v2 = ptr->in(1)->in(0)->in(1)->in(1)->in(2);
Node* iff = ptr->in(1)->in(0);
Node* bol = iff->in(1);
Node* cmp = bol->in(1);
assert(cmp->is_Cmp(), "unexpected if shape");
Node* v1 = cmp->in(1);
Node* v2 = cmp->in(2);
if (_multiple &&
((v1->is_Proj() && is_SB_toString(v1->in(0)) && ctrl_path.member(v1->in(0))) ||
(v2->is_Proj() && is_SB_toString(v2->in(0)) && ctrl_path.member(v2->in(0))))) {