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fix(shader): stabilize scalar provenance phis in cyclic CFGs

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nmzik
2026-07-29 19:57:18 +02:00
parent 65a0f0baa7
commit 832bc84100
2 changed files with 37 additions and 3 deletions
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src/graphics/shader/recompiler/ir/ScalarProvenance.cpp
+3 -3
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@@ -784,10 +784,10 @@ private:
if (incoming.empty()) {
return ScalarProvenance::Undefined;
}
if (incoming.size() == 1) {
return incoming[0];
}
if (*phi == ScalarProvenance::Undefined) {
if (incoming.size() == 1) {
return incoming[0];
}
*phi = AddValue({ScalarValueOp::Phi, block.start_pc});
}
m_graph.values[*phi].phi_args = std::move(incoming);