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Reuse SSA read traversal storage within each pass

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nmzik
2026-10-02 00:04:35 +04:00
parent 7101741637
commit 2b2915e271
1 changed files with 3 additions and 3 deletions
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src/graphics/shader/recompiler/ir/passes/SsaRewrite.cpp
+2 -2
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@@ -165,7 +165,6 @@ Value InitialValue(M0Tag) {
enum class ReadStep { Start, SetValue, PushPhiArgument }; enum class ReadStep { Start, SetValue, PushPhiArgument };
template <typename T>
struct ReadState { struct ReadState {
Block* block = nullptr; Block* block = nullptr;
Value result; Value result;
@@ -183,7 +182,7 @@ public:
template <typename T> template <typename T>
Value Read(T variable, Block* root) { Value Read(T variable, Block* root) {
std::vector<ReadState<T>> stack {{}, {.block = root}}; stack.assign({{}, {.block = root}});
const auto prepare_phi = [&]() { const auto prepare_phi = [&]() {
auto& state = stack.back(); auto& state = stack.back();
const auto predecessors = state.block->ImmPredecessors(); const auto predecessors = state.block->ImmPredecessors();
@@ -290,6 +289,7 @@ private:
std::unordered_map<Block*, std::map<Variable, Inst*>> incomplete_phis; std::unordered_map<Block*, std::map<Variable, Inst*>> incomplete_phis;
DefTable definitions; DefTable definitions;
std::vector<ReadState> stack;
}; };
void VisitInstruction(Pass& pass, Block* block, Inst& inst) { void VisitInstruction(Pass& pass, Block* block, Inst& inst) {