For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:smart_user:intel-opencl-legacy1/openSUSE_Tumbleweed/home:smart_user:intel-opencl-legacy1.repo
zypper refresh
zypper install intel-opencl-legacy1
For openSUSE Slowroll run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:smart_user:intel-opencl-legacy1/openSUSE_Slowroll/home:smart_user:intel-opencl-legacy1.repo
zypper refresh
zypper install intel-opencl-legacy1
For 16.0 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:smart_user:intel-opencl-legacy1/16.0/home:smart_user:intel-opencl-legacy1.repo
zypper refresh
zypper install intel-opencl-legacy1