[Mlir-commits] [mlir] [mlir][memref] Fix computeCollapsedLayoutMap for contiguous dynamic dim (PR #136485)

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Mon Jun 23 08:05:36 PDT 2025


github-actions[bot] wrote:

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You can test this locally with the following command:
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git-clang-format --diff HEAD~1 HEAD --extensions cpp -- mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp b/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
index 28770bffc..27fd72ed9 100644
--- a/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
+++ b/mlir/lib/Dialect/MemRef/IR/MemRefOps.cpp
@@ -2414,10 +2414,11 @@ computeCollapsedLayoutMap(MemRefType srcType,
     if (!ShapedType::isDynamic(srcShape[ref.back()]) || ref.size() == 1) {
       resultStrides.push_back(srcStrides[ref.back()]);
     } else {
-      // We reach here if the last dimension in the reassociation group is dynamic,
-      // and the reassociation group has more than one dimension.
-      // If the dynamic dimension is preserved (all other dimensions in the group are of size 1),
-      // and the dynamic dimension is originally contiguous, the result stride will be 1.
+      // We reach here if the last dimension in the reassociation group is
+      // dynamic, and the reassociation group has more than one dimension. If
+      // the dynamic dimension is preserved (all other dimensions in the group
+      // are of size 1), and the dynamic dimension is originally contiguous, the
+      // result stride will be 1.
       bool contiguousSrcDim = srcStrides[ref.back()] == 1;
       bool dynamicSizeIsPreserved =
           std::all_of(ref.begin(), ref.end() - 1,

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https://github.com/llvm/llvm-project/pull/136485


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