[Mlir-commits] [mlir] [mlir][vector] Remove unit-stride check in Gather1DToConditionalLoads (PR #189178)

Andrzej WarzyƄski llvmlistbot at llvm.org
Sat Mar 28 11:00:17 PDT 2026


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@@ -195,16 +195,6 @@ struct Gather1DToConditionalLoads : OpRewritePattern<vector::GatherOp> {
     // correct N-D load indices from the 1-D gather index.
     bool useDelinearization = false;
     if (auto memType = dyn_cast<MemRefType>(base.getType())) {
-      // vector.load requires the most minor memref dim to have unit stride
-      // (unless reading exactly 1 element).
-      if (auto stridesAttr =
-              dyn_cast_if_present<StridedLayoutAttr>(memType.getLayout())) {
-        if (stridesAttr.getStrides().back() != 1 &&
-            resultTy.getNumElements() != 1)
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banach-space wrote:

> Each scalars ed load is vector<1xelemTy>, valid regardless of stride

This will already exclude 1-element loads, no? As in, this change is not required if w care about vector<1xelemTy>.

https://github.com/llvm/llvm-project/pull/189178


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