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authorDave Airlie <airlied@redhat.com>2016-11-02 01:22:07 +0000
committerDave Airlie <airlied@redhat.com>2016-11-10 05:46:33 +1000
commitb16dff2d88302e5113598a818d2f92f8af02cd79 (patch)
treece7db783f52eb317f4a7ffea690e51c4a6c31a1c /doxygen/tnl.doxy
parentdd77faeca2819fc78a72f71ca9b996c209378cde (diff)
nir: add conditional discard optimisation (v4)
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. v2: handle if (a) discard_if(b) (nha) cleanup and drop pointless loop (Matt) make sure there are no dependent phis (Eric) v3: make sure only one instruction in the then block. v4: remove sneaky tabs, add cursor init (Eric) Reviewed-by: Eric Anholt <eric@anholt.net> Cc: "13.0" <mesa-stable@lists.freedesktop.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'doxygen/tnl.doxy')
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