Dave Airlie <airl...@gmail.com> writes: > From: Dave Airlie <airl...@redhat.com> > > This is ported from GLSL and converts > > if (cond) > discard; > > into > discard_if(cond); > > This removes a block, but also is needed by radv > to workaround a bug in the LLVM backend.
I think this is missing "also make sure that after our if statement, phis aren't using our then/else blocks to effectively do conditional selects based on the if condition." (which I ran into when trying to remove "dead" control flow)
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