Make getStridesAndOffset const (#145148)

Make getStridesAndOffset const.

Author: Evanyl

mlir/include/mlir/IR/BuiltinTypes.td

@@ -863,11 +863,11 @@ def Builtin_MemRef : Builtin_Type<"MemRef", "memref", [
     /// the distance in the number of elements between successive entries along
     /// a particular dimension.
     LogicalResult getStridesAndOffset(SmallVectorImpl<int64_t> &strides,
-                                      int64_t &offset);
+                                      int64_t &offset) const;
 
     /// Wrapper around getStridesAndOffset(SmallVectorImpl<int64_t>, int64_t)
     /// that will assert if the logical result is not succeeded.
-    std::pair<SmallVector<int64_t>, int64_t> getStridesAndOffset();
+    std::pair<SmallVector<int64_t>, int64_t> getStridesAndOffset() const;
 
     /// Return "true" if the layout is compatible with strided semantics.
     bool isStrided();

mlir/lib/IR/BuiltinTypes.cpp

@@ -730,11 +730,12 @@ MemRefType MemRefType::canonicalizeStridedLayout() {
 }
 
 LogicalResult MemRefType::getStridesAndOffset(SmallVectorImpl<int64_t> &strides,
-                                              int64_t &offset) {
+                                              int64_t &offset) const {
   return getLayout().getStridesAndOffset(getShape(), strides, offset);
 }
 
-std::pair<SmallVector<int64_t>, int64_t> MemRefType::getStridesAndOffset() {
+std::pair<SmallVector<int64_t>, int64_t>
+MemRefType::getStridesAndOffset() const {
   SmallVector<int64_t> strides;
   int64_t offset;
   LogicalResult status = getStridesAndOffset(strides, offset);