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aco: call nir_opt_algebraic_late() exhaustively

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57559 shaders in 28980 tests
Totals:
SGPRS: 2963407 -> 2959935 (-0.12 %)
VGPRS: 2014812 -> 2016328 (0.08 %)
Spilled SGPRs: 1077 -> 1077 (0.00 %)
Spilled VGPRs: 0 -> 0 (0.00 %)
Private memory VGPRs: 0 -> 0 (0.00 %)
Scratch size: 10348 -> 10348 (0.00 %) dwords per thread
Code Size: 114545436 -> 114498084 (-0.04 %) bytes
LDS: 933 -> 933 (0.00 %) blocks
Max Waves: 375997 -> 375866 (-0.03 %)

Reviewed-by: Connor Abbott <cwabbott0@gmail.com>
This commit is contained in:
Daniel Schürmann
2019-09-26 12:08:13 +02:00
parent 0fb27f1e5a
commit 1d29895e5b
1 changed files with 15 additions and 4 deletions
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src/amd/compiler/aco_instruction_selection_setup.cpp
+15 -4
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@@ -1324,13 +1324,24 @@ setup_isel_context(Program* program,
nir_copy_prop(nir);
nir_opt_constant_folding(nir);
nir_opt_algebraic(nir);
nir_opt_algebraic_late(nir);
nir_opt_constant_folding(nir);
/* Do late algebraic optimization to turn add(a, neg(b)) back into
* subs, then the mandatory cleanup after algebraic. Note that it may
* produce fnegs, and if so then we need to keep running to squash
* fneg(fneg(a)).
*/
bool more_late_algebraic = true;
while (more_late_algebraic) {
more_late_algebraic = false;
NIR_PASS(more_late_algebraic, nir, nir_opt_algebraic_late);
NIR_PASS_V(nir, nir_opt_constant_folding);
NIR_PASS_V(nir, nir_copy_prop);
NIR_PASS_V(nir, nir_opt_dce);
NIR_PASS_V(nir, nir_opt_cse);
}
/* cleanup passes */
nir_lower_load_const_to_scalar(nir);
nir_opt_cse(nir);
nir_opt_dce(nir);
nir_opt_shrink_load(nir);
nir_move_options move_opts = (nir_move_options)(
nir_move_const_undef | nir_move_load_ubo | nir_move_load_input | nir_move_comparisons);