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nir/copy_propagate: Copy-prop into jump conditions

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Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6866>
This commit is contained in:
Jason Ekstrand 2020-09-24 18:21:58 -05:00 • committed by Marge Bot
parent 7f0cd6f153
commit 9a48ed84ec
1 changed files with 10 additions and 0 deletions
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10
src/compiler/nir/nir_opt_copy_propagate.c
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@ -230,6 +230,16 @@ copy_prop_instr(nir_instr *instr)
return progress;
}
case nir_instr_type_jump: {
nir_jump_instr *jump = nir_instr_as_jump(instr);
if (jump->type == nir_jump_goto_if) {
while (copy_prop_src(&jump->condition, instr, NULL, 1))
progress = true;
}
return progress;
}
case nir_instr_type_phi: {
nir_phi_instr *phi = nir_instr_as_phi(instr);
assert(phi->dest.is_ssa);