1 files changed, 3 insertions, 6 deletions
diff --git a/mlir/lib/IR/OperationSupport.cpp b/mlir/lib/IR/OperationSupport.cpp
index 394ac77..2a37f38 100644
--- a/mlir/lib/IR/OperationSupport.cpp
+++ b/mlir/lib/IR/OperationSupport.cpp
@@ -406,15 +406,13 @@ OperandRangeRange::OperandRangeRange(OperandRange operands,
 OperandRange OperandRangeRange::join() const {
   const OwnerT &owner = getBase();
   ArrayRef<int32_t> sizeData = llvm::cast<DenseI32ArrayAttr>(owner.second);
-  return OperandRange(owner.first,
-                      std::accumulate(sizeData.begin(), sizeData.end(), 0));
+  return OperandRange(owner.first, llvm::sum_of(sizeData));
 }
 
 OperandRange OperandRangeRange::dereference(const OwnerT &object,
                                             ptrdiff_t index) {
   ArrayRef<int32_t> sizeData = llvm::cast<DenseI32ArrayAttr>(object.second);
-  uint32_t startIndex =
-      std::accumulate(sizeData.begin(), sizeData.begin() + index, 0);
+  uint32_t startIndex = llvm::sum_of(sizeData.take_front(index));
   return OperandRange(object.first + startIndex, *(sizeData.begin() + index));
 }
 
@@ -565,8 +563,7 @@ MutableOperandRange MutableOperandRangeRange::dereference(const OwnerT &object,
                                                           ptrdiff_t index) {
   ArrayRef<int32_t> sizeData =
       llvm::cast<DenseI32ArrayAttr>(object.second.getValue());
-  uint32_t startIndex =
-      std::accumulate(sizeData.begin(), sizeData.begin() + index, 0);
+  uint32_t startIndex = llvm::sum_of(sizeData.take_front(index));
   return object.first.slice(
       startIndex, *(sizeData.begin() + index),
       MutableOperandRange::OperandSegment(index, object.second));