[Mlir-commits] [mlir] [MLIR][XeGPU] Extend SGMapAttr and Add ConvertLayoutOp (PR #132425)

[Adam Siemieniuk]

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@@ -154,33 +154,107 @@ def XeGPU_FenceScopeAttr:
     let assemblyFormat = "$value";
 }
 
-def XeGPU_SGMapAttr : XeGPUAttr<"SGMap", "sg_map"> {
+def XeGPU_ScopeWG:     I32EnumAttrCase<"WG", 0, "wg">;        // workgroup level code
+def XeGPU_ScopeSG:     I32EnumAttrCase<"SG", 1, "sg">;        // subgroup level code
+def XeGPU_ScopeLane:   I32EnumAttrCase<"Lane", 2, "lane">;    // simt level code
+
+def XeGPU_ScopeEnums : I32EnumAttr<"Scope", "enumeration of scope",
+  [XeGPU_ScopeWG, XeGPU_ScopeSG, XeGPU_ScopeLane]> {
+  let genSpecializedAttr = 0;
+  let cppNamespace = "::mlir::xegpu";
+}
+
+def XeGPU_ScopeAttr
+  : EnumAttr<XeGPU_Dialect, XeGPU_ScopeEnums, "Scope"> {
+    let summary = [{Defines the programming scope of the IR,
+                    where WG represents the workgroup level,
+                    SG represents the subgroup level, and
+                    Lane represents the work-item level}];
+
+    let assemblyFormat = "``$value";
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adam-smnk wrote:

nit: could this be omitted?

https://github.com/llvm/llvm-project/pull/132425