[Mlir-commits] [mlir] [mlir][spirv] Simplify gpu reduction to spirv logic. NFC. (PR #73546)

[Quinn Dawkins]

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@@ -485,20 +485,22 @@ static std::optional<Value> createGroupReduceOp(OpBuilder &builder,
                                                 Location loc, Value arg,
                                                 gpu::AllReduceOperation opType,
                                                 bool isGroup, bool isUniform) {
+  enum class ElemType {
+    Float, Boolean, Integer
+  };
   using FuncT = Value (*)(OpBuilder &, Location, Value, bool, bool);
   struct OpHandler {
-    gpu::AllReduceOperation type;
-    FuncT intFunc;
-    FuncT floatFunc;
+    gpu::AllReduceOperation kind;
+    ElemType elemType;
+    FuncT func;
   };
 
   Type type = arg.getType();
-  using MembptrT = FuncT OpHandler::*;
-  MembptrT handlerPtr;
+  ElemType elementType;
   if (isa<FloatType>(type)) {
-    handlerPtr = &OpHandler::floatFunc;
-  } else if (isa<IntegerType>(type)) {
-    handlerPtr = &OpHandler::intFunc;
+    elementType = ElemType::Float;
+  } else if (auto intTy = dyn_cast<IntegerType>(type)) {
+    elementType = (intTy.getIntOrFloatBitWidth() == 1) ? ElemType::Boolean : ElemType::Integer;
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qedawkins wrote:

How does handling of Booleans differ? I only see Integer and Float types referenced below, are they unsupported?

https://github.com/llvm/llvm-project/pull/73546