<div dir="ltr">I'm not super-familiar with Connor's to-SSA pass, but I think that does what you want. Reviewed-by: Jason Ekstrand <<a href="mailto:jason.ekstrand@intel.com">jason.ekstrand@intel.com</a>> </div><div class="gmail_extra"> <div class="gmail_quote">On Wed, Jan 28, 2015 at 5:09 PM, Eric Anholt <<a href="mailto:eric@anholt.net" target="_blank">eric@anholt.net</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">--- The i965 driver apparently only has things all in ssa or all in non-ssa, while for TGSI I ended up doing some things directly in SSA before the to-SSA pass. src/glsl/nir/nir_to_ssa.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/glsl/nir/nir_to_ssa.c b/src/glsl/nir/nir_to_ssa.c index 9c577fa..dbe1699 100644 --- a/src/glsl/nir/nir_to_ssa.c +++ b/src/glsl/nir/nir_to_ssa.c @@ -239,6 +239,9 @@ rewrite_alu_instr_forward(nir_alu_instr *instr, rewrite_state *state) nir_foreach_src(&instr->instr, rewrite_use, state); + if (instr->dest.dest.is_ssa) + return; + nir_register *reg = instr->dest.dest.reg.reg; unsigned index = reg->index; -- 2.1.4 _______________________________________________ mesa-dev mailing list <a href="mailto:mesa-dev@lists.freedesktop.org">mesa-dev@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/mesa-dev" target="_blank">http://lists.freedesktop.org/mailman/listinfo/mesa-dev</a> </blockquote></div> </div>