simplify previous changeset: sub-expressions are nested by value
simplify previous changeset: sub-expressions are nested by value

TSC21/Eigen,ROCmSoftwarePlatform/hipeigen,TSC21/Eigen,pasuka/eigen,ritsu1228/eigen,pasuka/eigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,TSC21/Eigen,ritsu1228/eigen,ROCmSoftwarePlatform/hipeigen,ROCmSoftwarePlatform/hipeigen,pasuka/eigen,pasuka/eigen,TSC21/Eigen,ritsu1228/eigen,ritsu1228/eigen,ritsu1228/eigen