shader: remove IR opcodes and IREmitter helpers that nothing produces

src/graphics/shader/recompiler/ir/IREmitter.cpp

@@ -6,11 +6,6 @@ IREmitter::IREmitter(Block* value_block): block(value_block) {
 	EXIT_IF(block == nullptr);
 }
 
-void IREmitter::SetBlock(Block* value_block) {
-	EXIT_IF(value_block == nullptr);
-	block = value_block;
-}
-
 Value IREmitter::Emit(ValueOpcode opcode, std::initializer_list<Value> args, uint64_t flags) {
 	auto& inst = block->AppendNewInst(opcode, args, flags);
 	return TypeOf(opcode) == Type::Void ? Value {} : Value(&inst);
@@ -132,16 +127,6 @@ U32 IREmitter::BitCastU32(F32 value) {
 	return U32(Emit(ValueOpcode::BitCastU32F32, {value}));
 }
 
-F16 IREmitter::BitCastF16(U32 value) {
-	const auto half = U16(Emit(ValueOpcode::ConvertU16U32, {value}));
-	return F16(Emit(ValueOpcode::BitCastF16U16, {half}));
-}
-
-U32 IREmitter::BitCastU32(F16 value) {
-	const auto half = U16(Emit(ValueOpcode::BitCastU16F16, {value}));
-	return U32(Emit(ValueOpcode::ConvertU32U16, {half}));
-}
-
 U64 IREmitter::ConstructU64(U32 low, U32 high) {
 	return U64(Emit(ValueOpcode::CompositeConstructU64, {low, high}));
 }

src/graphics/shader/recompiler/ir/IREmitter.h

@@ -12,8 +12,6 @@ class IREmitter {
 public:
 	explicit IREmitter(Block* block);
 
-	void SetBlock(Block* block);
-
 	Value Emit(ValueOpcode opcode, std::initializer_list<Value> args = {}, uint64_t flags = 0);
 
 	template <typename T>
@@ -54,8 +52,6 @@ public:
 
 	F32 BitCastF32(U32 value);
 	U32 BitCastU32(F32 value);
-	F16 BitCastF16(U32 value);
-	U32 BitCastU32(F16 value);
 	U64 ConstructU64(U32 low, U32 high);
 	U32 CompositeExtract(Value composite, uint32_t index);
 

src/graphics/shader/recompiler/ir/opcodes/ValueOpcodes.inc

@@ -44,10 +44,7 @@ VALUE_OPCODE(GetM0, U32)
 VALUE_OPCODE(SetM0, Void, U32)
 
 VALUE_OPCODE(UndefU1, U1)
-VALUE_OPCODE(UndefU8, U8)
-VALUE_OPCODE(UndefU16, U16)
 VALUE_OPCODE(UndefU32, U32)
-VALUE_OPCODE(UndefU64, U64)
 
 // Value construction and bit-preserving conversion.
 VALUE_OPCODE(BitCastU16F16, U16, F16)
@@ -104,7 +101,6 @@ VALUE_OPCODE(IAddCarry32, U32x2, U32, U32)
 VALUE_OPCODE(ISub32, U32, U32, U32)
 VALUE_OPCODE(ISub64, U64, U64, U64)
 VALUE_OPCODE(IMul32, U32, U32, U32)
-VALUE_OPCODE(IMul64, U64, U64, U64)
 VALUE_OPCODE(UDiv32, U32, U32, U32)
 VALUE_OPCODE(SMulHi, U32, U32, U32)
 VALUE_OPCODE(UMulHi, U32, U32, U32)
@@ -122,7 +118,6 @@ VALUE_OPCODE(BitwiseXor32, U32, U32, U32)
 VALUE_OPCODE(BitwiseNot32, U32, U32)
 VALUE_OPCODE(BitReverse32, U32, U32)
 VALUE_OPCODE(BitCount32, U32, U32)
-VALUE_OPCODE(BitCount64, U32, U64)
 VALUE_OPCODE(FindUMsb32, U32, U32)
 VALUE_OPCODE(FindUMsb64, U32, U64)
 VALUE_OPCODE(FindILsb32, U32, U32)

src/graphics/shader/recompiler/ir/passes/ConstantPropagation.cpp

@@ -511,11 +511,6 @@ void FoldInstruction(Block& block, Block::iterator instruction,
 				ReplaceBinaryIdentity(inst, Type::U32, 1u);
 			}
 			return;
-		case ValueOpcode::IMul64:
-			if (!FoldU64(inst, [](uint64_t a, uint64_t b) { return a * b; })) {
-				ReplaceBinaryIdentity(inst, Type::U64, 1u);
-			}
-			return;
 		case ValueOpcode::WqmU64: {
 			const auto value = Arg(inst, 0);
 			if (IsImmediate(value, Type::U64)) {
@@ -674,13 +669,6 @@ void FoldInstruction(Block& block, Block::iterator instruction,
 			}
 			return;
 		}
-		case ValueOpcode::BitCount64: {
-			const auto value = Arg(inst, 0);
-			if (IsImmediate(value, Type::U64)) {
-				Replace(inst, Value(static_cast<uint32_t>(std::popcount(value.U64()))));
-			}
-			return;
-		}
 		case ValueOpcode::SMin32:
 		case ValueOpcode::SMax32:
 			FoldU32(inst, [opcode = inst.GetOpcode()](uint32_t a, uint32_t b) {

src/graphics/shader/recompiler/ir/passes/SrtWalker.cpp

@@ -138,7 +138,6 @@ bool IsRuntimeUniformOp(ValueOpcode op) {
 		case ValueOpcode::ISub32:
 		case ValueOpcode::ISub64:
 		case ValueOpcode::IMul32:
-		case ValueOpcode::IMul64:
 		case ValueOpcode::UMulHi:
 		case ValueOpcode::UMin32:
 		case ValueOpcode::UMax32:
@@ -259,9 +258,7 @@ private:
 			}
 			return finish(Validate(inst->Arg(1)));
 		}
-		if (op == ValueOpcode::UndefU1 || op == ValueOpcode::UndefU8 ||
-		    op == ValueOpcode::UndefU16 || op == ValueOpcode::UndefU32 ||
-		    op == ValueOpcode::UndefU64 || op == ValueOpcode::Void) {
+		if (op == ValueOpcode::UndefU1 || op == ValueOpcode::UndefU32 || op == ValueOpcode::Void) {
 			return finish(false);
 		}
 		if (op == ValueOpcode::GetUserData) {
@@ -832,12 +829,6 @@ bool SrtWalker::EvaluateInst(const Inst& inst, uint64_t& result) {
 				return true;
 			}
 			return false;
-		case ValueOpcode::IMul64:
-			if (binary()) {
-				result = a * b;
-				return true;
-			}
-			return false;
 		case ValueOpcode::UMulHi:
 			if (binary()) {
 				result = (static_cast<uint64_t>(static_cast<uint32_t>(a)) * static_cast<uint32_t>(b)) >> 32u;
@@ -1143,10 +1134,7 @@ bool SrtWalker::EvaluateInst(const Inst& inst, uint64_t& result) {
 			}
 			return false;
 		case ValueOpcode::UndefU1:
-		case ValueOpcode::UndefU8:
-		case ValueOpcode::UndefU16:
-		case ValueOpcode::UndefU32:
-		case ValueOpcode::UndefU64: return false;
+		case ValueOpcode::UndefU32: return false;
 		default: break;
 	}
 	return false;