[Mlir-commits] [mlir] [mlir][SPIR-V] Support bitwise and/or/xor in gpu reduction lowering (PR #202351)

[Igor Wodiany]

================
@@ -718,6 +718,33 @@ static Value createGroupReduceOpImpl(OpBuilder &builder, Location loc,
       .getResult();
 }
 
+template <typename NonUniformOp>
+static Value createGroupNonUniformBitwiseReduceOpImpl(
+    OpBuilder &builder, Location loc, Value arg, bool isGroup, bool isUniform,
+    std::optional<uint32_t> clusterSize) {
+  if (isUniform)
+    return Value();
+
+  Type type = arg.getType();
+  auto scope = mlir::spirv::ScopeAttr::get(builder.getContext(),
+                                           isGroup ? spirv::Scope::Workgroup
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IgWod wrote:

For the 3 ops you implemented I don't think Workgroup is allowed. Unless there is a bitwise op that will allow it, we probably should bail here.

https://github.com/llvm/llvm-project/pull/202351