[BACKEND] Add LLVM-translation for store and splat ops (#47)

lib/Dialect/Triton/IR/Ops.cpp

@@ -102,6 +102,7 @@ OpFoldResult SplatOp::fold(ArrayRef<Attribute> operands) {
   auto constOperand = src().getDefiningOp<arith::ConstantOp>();
   if (!constOperand)
     return {};
+
   auto shapedType = getType().cast<ShapedType>();
   auto ret = SplatElementsAttr::get(shapedType, {constOperand.getValue()});
   return ret;