[Mlir-commits] [mlir] [mlir][spirv] Add definition for OpGroupNonUniformBallotBitCount (PR #126055)

[Andrea Faulds]

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@@ -1287,4 +1297,70 @@ def SPIRV_GroupNonUniformLogicalXorOp :
 
 // -----
 
+def SPIRV_GroupNonUniformBallotBitCountOp : SPIRV_Op<"GroupNonUniformBallotBitCount", [
+  SPIRV_ExecutionScopeAttrIs<"execution_scope", "Subgroup">,
+  SPIRV_GroupOperationAttrIs<"group_operation", "Reduce">
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andfau-amd wrote:

Where does the requirement that the group operation must be Reduce come from? The requirement that the execution scope is Subgroup seems to come from the SPIR-V op definition, but this doesn't?

https://github.com/llvm/llvm-project/pull/126055