shader_ir: Add immediate node constructors
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15a0e1481d
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@ -35,6 +35,18 @@ Node ShaderIR::Comment(const std::string& text) {
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return StoreNode(CommentNode(text));
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}
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Node ShaderIR::Immediate(u32 value) {
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return StoreNode(ImmediateNode(value));
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}
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Node ShaderIR::GetImmediate19(Instruction instr) {
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return Immediate(instr.alu.GetImm20_19());
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}
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Node ShaderIR::GetImmediate32(Instruction instr) {
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return Immediate(instr.alu.GetImm20_32());
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}
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Node ShaderIR::GetPredicate(u64 pred_, bool negated) {
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const auto pred = static_cast<Pred>(pred_);
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if (pred != Pred::UnusedIndex && pred != Pred::NeverExecute) {
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@ -44,6 +56,10 @@ Node ShaderIR::GetPredicate(u64 pred_, bool negated) {
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return StoreNode(PredicateNode(pred, negated));
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}
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Node ShaderIR::GetPredicate(bool immediate) {
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return GetPredicate(static_cast<u64>(immediate ? Pred::UnusedIndex : Pred::NeverExecute));
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}
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/*static*/ OperationCode ShaderIR::SignedToUnsignedCode(OperationCode operation_code,
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bool is_signed) {
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if (is_signed) {
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@ -598,9 +598,26 @@ private:
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Node Conditional(Node condition, std::vector<Node>&& code);
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/// Creates a commentary
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Node Comment(const std::string& text);
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/// Creates an u32 immediate
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Node Immediate(u32 value);
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/// Creates a s32 immediate
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Node Immediate(s32 value) {
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return Immediate(static_cast<u32>(value));
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}
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/// Creates a f32 immediate
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Node Immediate(f32 value) {
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// TODO(Rodrigo): Replace this with bit_cast when C++20 releases
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return Immediate(*reinterpret_cast<const u32*>(&value));
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}
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/// Generates a node representing a 19-bit immediate value
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Node GetImmediate19(Tegra::Shader::Instruction instr);
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/// Generates a node representing a 32-bit immediate value
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Node GetImmediate32(Tegra::Shader::Instruction instr);
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/// Generates a node for a passed predicate. It can be optionally negated
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Node GetPredicate(u64 pred, bool negated = false);
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/// Generates a predicate node for an immediate true or false value
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Node GetPredicate(bool immediate);
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template <typename... T>
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inline Node Operation(OperationCode code, const T*... operands) {
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