[clang] [clang-tools-extra] [compiler-rt] [libc] [llvm] [mlir] [flang] [mlir][Linalg] Support dynamic shapes in `lower_pack` transform (PR #76003)

[via llvm-commits]

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@@ -1089,7 +1089,7 @@ collapseOpIterationDims(LinalgType op,
 
 struct LowerPackResult {
   tensor::PadOp padOp;
-  tensor::ExpandShapeOp expandShapeOp;
+  Operation *expandShapeOp;
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srcarroll wrote:

Not actually sure what would be appropriate here.  Alternatively, we could have two separate fields for the `ExpandShapeOp` and `ReshapeOp`, but I haven't looked into the implications of this yet.  I welcome suggestions.

https://github.com/llvm/llvm-project/pull/76003