[Mlir-commits] [mlir] [mlir][gpu][spirv] Add patterns for gpu.shuffle up/down (PR #139105)

Jakub Kuderski llvmlistbot at llvm.org
Wed Jun 4 07:23:36 PDT 2025


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@@ -1341,7 +1342,8 @@ def GPU_ShuffleOp : GPU_Op<
     %5, %6 = gpu.shuffle up %0, %cst1, %width : f32
     ```
 
-    For lane `k`, returns the value from lane `(k - 1) % width`.
+    For lane `k`, returns the value from lane `(k - cst1)`. The resulting value
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kuhar wrote:

Same here

https://github.com/llvm/llvm-project/pull/139105


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