[Mlir-commits] [mlir] [mlir][tensor] Fix FoldTensorCastProducerOp for multiple result operations (PR #93374)

[Han-Chung Wang]

================
@@ -4531,17 +4531,18 @@ struct FoldTensorCastProducerOp
     if (!hasTensorCastOperand)
       return failure();
 
-    SmallVector<Type, 4> newResultTypes;
-    newResultTypes.reserve(op->getNumResults());
+    SmallVector<Type, 4> newResultTypes(op->getResultTypes());
     SmallVector<Value, 4> newOperands;
     newOperands.reserve(op->getNumOperands());
+    // Assumes that the result has dpsInits followed by nonDpsInits.
----------------
hanhanW wrote:

I had a chat with Prashant offline, and we found that it is actually not documented in DPS interface. However, all the implementation has the assumption. So we ended up with having a comment here.

https://github.com/llvm/llvm-project/pull/93374