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nir: Release per-block metadata in nir_sweep

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nir_sweep already marks all metadata invalid, so it is safe to release
the memory here too.

mean soft fp64 using uint64:   1,342,759,331 => 1,010,670,475
gfxbench5 aztec ruins high 11:    63,555,571 =>    61,889,811
deus ex mankind divided 148:      62,845,304 =>    62,829,640
deus ex mankind divided 2890:     71,922,686 =>    71,922,686
dirt showdown 676:                69,238,607 =>    69,238,607
dolphin ubershaders 210:          77,822,072 =>    77,822,072

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Ian Romanick 2018-11-26 15:12:30 -08:00
parent 7adafd6e1c
commit 9dc135efa1
1 changed files with 9 additions and 0 deletions
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9
src/compiler/nir/nir_sweep.c
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@ -63,6 +63,15 @@ sweep_block(nir_shader *nir, nir_block *block)
{
ralloc_steal(nir, block);
/* sweep_impl will mark all metadata invalid. We can safely release all of
* this here.
*/
ralloc_free(block->live_in);
block->live_in = NULL;
ralloc_free(block->live_out);
block->live_out = NULL;
nir_foreach_instr(instr, block) {
ralloc_steal(nir, instr);