shader_ir: Add condition code helper
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@ -321,6 +321,16 @@ OperationCode ShaderIR::GetPredicateCombiner(PredOperation operation) {
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return op->second;
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}
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Node ShaderIR::GetConditionCode(Tegra::Shader::ConditionCode cc) {
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switch (cc) {
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case Tegra::Shader::ConditionCode::NEU:
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return GetInternalFlag(InternalFlag::Zero, true);
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default:
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UNIMPLEMENTED_MSG("Unimplemented condition code: {}", static_cast<u32>(cc));
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return GetPredicate(static_cast<u64>(Pred::NeverExecute));
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}
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}
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void ShaderIR::SetRegister(BasicBlock& bb, Register dest, Node src) {
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bb.push_back(Operation(OperationCode::Assign, GetRegister(dest), src));
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}
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@ -672,6 +672,9 @@ private:
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/// Returns a predicate combiner operation
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OperationCode GetPredicateCombiner(Tegra::Shader::PredOperation operation);
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/// Returns a condition code evaluated from internal flags
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Node GetConditionCode(Tegra::Shader::ConditionCode cc);
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template <typename... T>
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inline Node Operation(OperationCode code, const T*... operands) {
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return StoreNode(OperationNode(code, operands...));
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