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shader: skip resources in proven empty unsigned loops

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This commit is contained in:
nmzik
2026-10-17 10:38:14 +02:00
parent 56d03f16e9
commit c2173801d4
3 changed files with 73 additions and 28 deletions
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src/graphics/shader/recompiler/ir/passes/ResourceMaterialization.cpp
+2 -1
View File
@@ -1409,7 +1409,8 @@ ResourcePlan ExtractResourcePlan(const Program& program) {
}
if (op != ValueOpcode::LogicalAnd && op != ValueOpcode::LogicalOr &&
op != ValueOpcode::LogicalNot && op != ValueOpcode::IEqual32 &&
op != ValueOpcode::INotEqual32 && op != ValueOpcode::ULessThanEqual32 &&
op != ValueOpcode::INotEqual32 && op != ValueOpcode::ULessThan32 &&
op != ValueOpcode::ULessThanEqual32 &&
op != ValueOpcode::SelectU1 && op != ValueOpcode::SelectU32) return finish(opaque());
auto& node = plan.value_storage.emplace_back(op);
for (size_t index = 0; index < inst->NumArgs(); ++index)
src/graphics/shader/recompiler/ir/passes/SrtWalker.cpp
+7 -1
View File
@@ -1054,7 +1054,13 @@ bool SrtWalker::EvaluateInst(const Inst& inst, uint64_t& result) {
}
return false;
case ValueOpcode::ULessThan32:
if (binary()) {
// No U32 is below zero, including an unknown loop-carried value.
if (!Arg(inst, 1, b)) return false;
if (static_cast<uint32_t>(b) == 0u) {
result = 0u;
return true;
}
if (Arg(inst, 0, a)) {
result = static_cast<uint32_t>(a) < static_cast<uint32_t>(b);
return true;
}