[Mlir-commits] [mlir] [mlir][xegpu] SIMT distribution patterns for XeGPU CreateNdTdesc, LoadNd, StoreNd and Dpas Ops. (PR #135271)

[Frank Schlimbach]

================
@@ -329,95 +368,97 @@ SGMapPropagation::visitOperation(Operation *op,
       })
       /// All other ops.
       .Default([&](Operation *op) {
-        for (const SGMapLattice *r : results) {
-          for (SGMapLattice *operand : operands) {
+        for (const LayoutInfoLattice *r : results) {
+          for (LayoutInfoLattice *operand : operands) {
             /// Propagate the layout of the result to the operand.
             if (r->getValue().isAssigned())
               meet(operand, *r);
           }
         }
       });
   /// Add a dependency from each result to program point after the operation.
-  for (const SGMapLattice *r : results) {
-    addDependency(const_cast<SGMapLattice *>(r), getProgramPointAfter(op));
+  for (const LayoutInfoLattice *r : results) {
+    addDependency(const_cast<LayoutInfoLattice *>(r), getProgramPointAfter(op));
   }
   return success();
 }
 
-void SGMapPropagation::visitVectorMultiReductionOp(
-    vector::MultiDimReductionOp reduction, ArrayRef<SGMapLattice *> operands,
-    ArrayRef<const SGMapLattice *> results) {
+void LayoutInfoPropagation::visitVectorMultiReductionOp(
+    vector::MultiDimReductionOp reduction,
+    ArrayRef<LayoutInfoLattice *> operands,
+    ArrayRef<const LayoutInfoLattice *> results) {
   /// The layout of the result must be present.
-  auto resultLayout = results[0]->getValue();
+  LayoutInfo resultLayout = results[0]->getValue();
----------------
fschlimb wrote:

(How) Is `results` guaranteed to be non-empty?

https://github.com/llvm/llvm-project/pull/135271