radv: enable FP16/FP64 denormals earlier and only for LLVM

ACO sets this itself and will have to set it differently in the future to
support shaderDenormFlushToZeroFloat64.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
1 file changed