shader: evaluate unsigned min in runtime descriptors

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

@@ -85,6 +85,7 @@ bool IsRuntimeIntegerOp(ValueOpcode op) {
 		case ValueOpcode::ISub64:
 		case ValueOpcode::IMul32:
 		case ValueOpcode::IMul64:
+		case ValueOpcode::UMin32:
 		case ValueOpcode::ShiftLeftLogical32:
 		case ValueOpcode::ShiftLeftLogical64:
 		case ValueOpcode::ShiftRightLogical32:
@@ -639,6 +640,12 @@ private:
 					return true;
 				}
 				return false;
+			case ValueOpcode::UMin32:
+				if (binary()) {
+					result = std::min(static_cast<uint32_t>(a), static_cast<uint32_t>(b));
+					return true;
+				}
+				return false;
 			case ValueOpcode::BitwiseAnd32:
 				if (binary()) {
 					result = static_cast<uint32_t>(a & b);