ac: fix fast division
This stopped working with LLVM 11 and might occasionally have been broken on older LLVM, because the metadata was set on the mul, not on the rcp.
Cc: 20.0 mesa-stable@lists.freedesktop.org
This stopped working with LLVM 11 and might occasionally have been broken on older LLVM, because the metadata was set on the mul, not on the rcp.
Cc: 20.0 mesa-stable@lists.freedesktop.org