func github.com/cespare/xxhash/v2.rol1

2 uses

	github.com/cespare/xxhash/v2 (current package)
		xxhash.go#L125: 		h = rol1(v1) + rol7(v2) + rol12(v3) + rol18(v4)
		xxhash.go#L229: func rol1(x uint64) uint64  { return bits.RotateLeft64(x, 1) }