// activation shape needs to be static to convert negative indices in
    // TensorFlow to absolute indices required by HLO.
    RankedTensorType act_type = mlir::dyn_cast<RankedTensorType>(act.getType());
    if (!act_type) return failure();
    Type act_ele_type = act_type.getElementType();
    // To support mixed precision, the statistics type, which maybe more
    // precise than the input types, are used for this op.

	Size               uint32
	Config             uint64
	Sample             uint64
	Sample_type        uint64
	Read_format        uint64
	Bits               uint64
	Wakeup             uint32
	Bp_type            uint32
	Ext1               uint64
	Ext2               uint64
	Branch_sample_type uint64
	Sample_regs_user   uint64
	Sample_stack_user  uint32
	Clockid            int32