[Mlir-commits] [mlir] [MLIR] support dynamic indexing of `vector.maskedload` in `VectorEmulateNarrowTypes` (PR #115070)

[llvmlistbot at llvm.org]

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@@ -185,6 +188,25 @@ static Value dynamicallyExtractSubVector(OpBuilder &rewriter, Location loc,
   return dest;
 }
 
+/// Inserts a 1-D subvector into a 1-D `dest` vector at index `offset`.
+static Value dynamicallyInsertSubVector(RewriterBase &rewriter, Location loc,
+                                        TypedValue<VectorType> source,
+                                        Value dest, OpFoldResult destOffsetVar,
+                                        int64_t length) {
+  assert(length > 0 && "length must be greater than 0");
+  for (int i = 0; i < length; ++i) {
+    Value insertLoc =
+        i == 0
+            ? destOffsetVar.dyn_cast<Value>()
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lialan wrote:

I like this idea to fold it. updated.

https://github.com/llvm/llvm-project/pull/115070