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shader: Move siblings check to a separate function and comment them out
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4209828646
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e4d1122082
@ -304,6 +304,23 @@ bool SearchNode(const Tree& tree, ConstNode stmt, size_t& offset) {
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return false;
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return false;
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}
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}
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bool AreSiblings(Node goto_stmt, Node label_stmt) noexcept {
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Node it{goto_stmt};
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do {
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if (it == label_stmt) {
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return true;
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}
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--it;
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} while (it != goto_stmt->up->children.begin());
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while (it != goto_stmt->up->children.end()) {
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if (it == label_stmt) {
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return true;
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}
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++it;
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}
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return false;
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}
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class GotoPass {
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class GotoPass {
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public:
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public:
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explicit GotoPass(Flow::CFG& cfg, ObjectPool<IR::Inst>& inst_pool_,
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explicit GotoPass(Flow::CFG& cfg, ObjectPool<IR::Inst>& inst_pool_,
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@ -353,22 +370,10 @@ private:
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}
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}
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}
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}
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}
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}
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// TODO: Remove this
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// Expensive operation:
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{
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// if (!AreSiblings(goto_stmt, label_stmt)) {
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Node it{goto_stmt};
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// throw LogicError("Goto is not a sibling with the label");
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bool sibling{false};
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// }
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do {
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sibling |= it == label_stmt;
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--it;
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} while (it != goto_stmt->up->children.begin());
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while (it != goto_stmt->up->children.end()) {
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sibling |= it == label_stmt;
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++it;
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}
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if (!sibling) {
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throw LogicError("Not siblings");
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}
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}
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// goto_stmt and label_stmt are guaranteed to be siblings, eliminate
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// goto_stmt and label_stmt are guaranteed to be siblings, eliminate
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if (std::next(goto_stmt) == label_stmt) {
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if (std::next(goto_stmt) == label_stmt) {
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// Simply eliminate the goto if the label is next to it
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// Simply eliminate the goto if the label is next to it
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