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-rw-r--r--src/amd/vulkan/radv_shader.c2
-rw-r--r--src/broadcom/compiler/nir_to_vir.c2
-rw-r--r--src/compiler/Makefile.sources3
-rw-r--r--src/compiler/nir/meson.build3
-rw-r--r--src/compiler/nir/nir.h4
-rw-r--r--src/compiler/nir/nir_opt_move.c (renamed from src/compiler/nir/nir_opt_move_comparisons.c)55
-rw-r--r--src/compiler/nir/nir_opt_move_load_ubo.c117
-rw-r--r--src/gallium/drivers/freedreno/a2xx/ir2_nir.c2
-rw-r--r--src/intel/compiler/brw_nir.c2
9 files changed, 37 insertions, 153 deletions
diff --git a/src/amd/vulkan/radv_shader.c b/src/amd/vulkan/radv_shader.c
index 08d1e204e5f..1e6a9a950d8 100644
--- a/src/amd/vulkan/radv_shader.c
+++ b/src/amd/vulkan/radv_shader.c
@@ -247,7 +247,7 @@ radv_optimize_nir(struct nir_shader *shader, bool optimize_conservatively,
NIR_PASS(progress, shader, nir_opt_conditional_discard);
NIR_PASS(progress, shader, nir_opt_shrink_load);
- NIR_PASS(progress, shader, nir_opt_move_load_ubo);
+ NIR_PASS(progress, shader, nir_opt_move, nir_move_load_ubo);
}
nir_shader *
diff --git a/src/broadcom/compiler/nir_to_vir.c b/src/broadcom/compiler/nir_to_vir.c
index 56f2f1470d7..03dac60645d 100644
--- a/src/broadcom/compiler/nir_to_vir.c
+++ b/src/broadcom/compiler/nir_to_vir.c
@@ -1360,7 +1360,7 @@ v3d_optimize_nir(struct nir_shader *s)
NIR_PASS(progress, s, nir_opt_undef);
} while (progress);
- NIR_PASS(progress, s, nir_opt_move_load_ubo);
+ NIR_PASS(progress, s, nir_opt_move, nir_move_load_ubo);
}
static int
diff --git a/src/compiler/Makefile.sources b/src/compiler/Makefile.sources
index c8dcf5ace10..edf1b936ac1 100644
--- a/src/compiler/Makefile.sources
+++ b/src/compiler/Makefile.sources
@@ -305,8 +305,7 @@ NIR_FILES = \
nir/nir_opt_intrinsics.c \
nir/nir_opt_loop_unroll.c \
nir/nir_opt_large_constants.c \
- nir/nir_opt_move_comparisons.c \
- nir/nir_opt_move_load_ubo.c \
+ nir/nir_opt_move.c \
nir/nir_opt_peephole_select.c \
nir/nir_opt_rematerialize_compares.c \
nir/nir_opt_remove_phis.c \
diff --git a/src/compiler/nir/meson.build b/src/compiler/nir/meson.build
index 4e3c714de0c..9b527b22f7c 100644
--- a/src/compiler/nir/meson.build
+++ b/src/compiler/nir/meson.build
@@ -184,8 +184,7 @@ files_libnir = files(
'nir_opt_intrinsics.c',
'nir_opt_large_constants.c',
'nir_opt_loop_unroll.c',
- 'nir_opt_move_comparisons.c',
- 'nir_opt_move_load_ubo.c',
+ 'nir_opt_move.c',
'nir_opt_peephole_select.c',
'nir_opt_rematerialize_compares.c',
'nir_opt_remove_phis.c',
diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index bd6a3617f05..314b696f738 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -3975,9 +3975,7 @@ bool nir_can_move_instr(nir_instr *instr, nir_move_options options);
bool nir_opt_sink(nir_shader *shader, nir_move_options options);
-bool nir_opt_move_comparisons(nir_shader *shader);
-
-bool nir_opt_move_load_ubo(nir_shader *shader);
+bool nir_opt_move(nir_shader *shader, nir_move_options options);
bool nir_opt_peephole_select(nir_shader *shader, unsigned limit,
bool indirect_load_ok, bool expensive_alu_ok);
diff --git a/src/compiler/nir/nir_opt_move_comparisons.c b/src/compiler/nir/nir_opt_move.c
index 5da57dc9213..18c549804d0 100644
--- a/src/compiler/nir/nir_opt_move_comparisons.c
+++ b/src/compiler/nir/nir_opt_move.c
@@ -1,5 +1,6 @@
/*
* Copyright © 2016 Intel Corporation
+ * Copyright © 2019 Valve Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
@@ -24,15 +25,15 @@
#include "nir.h"
/**
- * \file nir_opt_move_comparisons.c
+ * \file nir_opt_move.c
*
- * This pass moves ALU comparison operations just before their first use.
+ * This pass can move various operations just before their first use inside the
+ * same basic block. Usually this is to reduce register usage. It's probably
+ * not a good idea to use this in an optimization loop.
*
- * It only moves instructions within a single basic block; cross-block
- * movement is left to global code motion.
- *
- * Many GPUs generate condition codes for comparisons, and use predication
- * for conditional selects and control flow. In a sequence such as:
+ * Moving comparisons is useful because many GPUs generate condition codes
+ * for comparisons, and use predication for conditional selects and control
+ * flow. In a sequence such as:
*
* vec1 32 ssa_1 = flt a b
* <some other operations>
@@ -51,17 +52,14 @@
*/
static bool
-move_comparison_source(nir_src *src, nir_block *block, nir_instr *before)
+move_source(nir_src *src, nir_block *block, nir_instr *before, nir_move_options options)
{
if (!src->is_ssa)
return false;
nir_instr *src_instr = src->ssa->parent_instr;
- if (src_instr->block == block &&
- src_instr->type == nir_instr_type_alu &&
- nir_alu_instr_is_comparison(nir_instr_as_alu(src_instr))) {
-
+ if (src_instr->block == block && nir_can_move_instr(src_instr, options)) {
exec_node_remove(&src_instr->node);
if (before)
@@ -71,24 +69,28 @@ move_comparison_source(nir_src *src, nir_block *block, nir_instr *before)
return true;
}
-
return false;
}
+struct source_cb_data {
+ bool *progress;
+ nir_move_options options;
+};
+
static bool
-move_comparison_source_cb(nir_src *src, void *data)
+move_source_cb(nir_src *src, void *data_ptr)
{
- bool *progress = data;
+ struct source_cb_data data = *(struct source_cb_data*)data_ptr;
nir_instr *instr = src->parent_instr;
- if (move_comparison_source(src, instr->block, instr))
- *progress = true;
+ if (move_source(src, instr->block, instr, data.options))
+ *data.progress = true;
return true; /* nir_foreach_src should keep going */
}
static bool
-move_comparisons(nir_block *block)
+move(nir_block *block, nir_move_options options)
{
bool progress = false;
@@ -106,7 +108,7 @@ move_comparisons(nir_block *block)
*/
nir_if *iff = nir_block_get_following_if(block);
if (iff) {
- progress |= move_comparison_source(&iff->condition, block, NULL);
+ progress |= move_source(&iff->condition, block, NULL, options);
}
nir_foreach_instr_reverse(instr, block) {
@@ -118,20 +120,23 @@ move_comparisons(nir_block *block)
* substantially more complicated and wouldn't gain us anything since
* the phi can't use a flag value anyway.
*/
+
if (instr->type == nir_instr_type_phi) {
/* We're going backwards so everything else is a phi too */
break;
} else if (instr->type == nir_instr_type_alu) {
/* Walk ALU instruction sources backwards so that bcsel's boolean
- * condition is processed last.
+ * condition is processed last for when comparisons are being moved.
*/
nir_alu_instr *alu = nir_instr_as_alu(instr);
for (int i = nir_op_infos[alu->op].num_inputs - 1; i >= 0; i--) {
- progress |= move_comparison_source(&alu->src[i].src,
- block, instr);
+ progress |= move_source(&alu->src[i].src, block, instr, options);
}
} else {
- nir_foreach_src(instr, move_comparison_source_cb, &progress);
+ struct source_cb_data data;
+ data.progress = &progress;
+ data.options = options;
+ nir_foreach_src(instr, move_source_cb, &data);
}
}
@@ -139,7 +144,7 @@ move_comparisons(nir_block *block)
}
bool
-nir_opt_move_comparisons(nir_shader *shader)
+nir_opt_move(nir_shader *shader, nir_move_options options)
{
bool progress = false;
@@ -148,7 +153,7 @@ nir_opt_move_comparisons(nir_shader *shader)
continue;
nir_foreach_block(block, func->impl) {
- if (move_comparisons(block)) {
+ if (move(block, options)) {
nir_metadata_preserve(func->impl, nir_metadata_block_index |
nir_metadata_dominance |
nir_metadata_live_ssa_defs);
diff --git a/src/compiler/nir/nir_opt_move_load_ubo.c b/src/compiler/nir/nir_opt_move_load_ubo.c
deleted file mode 100644
index f36a62a5308..00000000000
--- a/src/compiler/nir/nir_opt_move_load_ubo.c
+++ /dev/null
@@ -1,117 +0,0 @@
-/*
- * Copyright © 2016 Intel Corporation
- * Copyright © 2018 Valve Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- */
-
-#include "nir.h"
-
-/**
- * \file nir_opt_move_load_ubo.c
- *
- * This pass moves load UBO operations just before their first use inside
- * the same basic block.
- */
-static bool
-move_load_ubo_source(nir_src *src, nir_block *block, nir_instr *before)
-{
- if (!src->is_ssa)
- return false;
-
- nir_instr *src_instr = src->ssa->parent_instr;
-
- if (src_instr->block == block &&
- src_instr->type == nir_instr_type_intrinsic &&
- nir_instr_as_intrinsic(src_instr)->intrinsic == nir_intrinsic_load_ubo) {
-
- exec_node_remove(&src_instr->node);
-
- if (before)
- exec_node_insert_node_before(&before->node, &src_instr->node);
- else
- exec_list_push_tail(&block->instr_list, &src_instr->node);
-
- return true;
- }
- return false;
-}
-
-static bool
-move_load_ubo_source_cb(nir_src *src, void *data)
-{
- bool *progress = data;
-
- nir_instr *instr = src->parent_instr;
- if (move_load_ubo_source(src, instr->block, instr))
- *progress = true;
-
- return true; /* nir_foreach_src should keep going */
-}
-
-static bool
-move_load_ubo(nir_block *block)
-{
- bool progress = false;
-
- nir_if *iff = nir_block_get_following_if(block);
- if (iff) {
- progress |= move_load_ubo_source(&iff->condition, block, NULL);
- }
-
- nir_foreach_instr_reverse(instr, block) {
-
- if (instr->type == nir_instr_type_phi) {
- /* We're going backwards so everything else is a phi too */
- } else if (instr->type == nir_instr_type_alu) {
- nir_alu_instr *alu = nir_instr_as_alu(instr);
-
- for (int i = nir_op_infos[alu->op].num_inputs - 1; i >= 0; i--) {
- progress |= move_load_ubo_source(&alu->src[i].src, block, instr);
- }
- } else {
- nir_foreach_src(instr, move_load_ubo_source_cb, &progress);
- }
- }
-
- return progress;
-}
-
-bool
-nir_opt_move_load_ubo(nir_shader *shader)
-{
- bool progress = false;
-
- nir_foreach_function(func, shader) {
- if (!func->impl)
- continue;
-
- nir_foreach_block(block, func->impl) {
- if (move_load_ubo(block)) {
- nir_metadata_preserve(func->impl, nir_metadata_block_index |
- nir_metadata_dominance |
- nir_metadata_live_ssa_defs);
- progress = true;
- }
- }
- }
-
- return progress;
-}
diff --git a/src/gallium/drivers/freedreno/a2xx/ir2_nir.c b/src/gallium/drivers/freedreno/a2xx/ir2_nir.c
index 402b79691fb..9d36f7092ef 100644
--- a/src/gallium/drivers/freedreno/a2xx/ir2_nir.c
+++ b/src/gallium/drivers/freedreno/a2xx/ir2_nir.c
@@ -1079,7 +1079,7 @@ ir2_nir_compile(struct ir2_context *ctx, bool binning)
OPT_V(ctx->nir, nir_copy_prop);
OPT_V(ctx->nir, nir_opt_dce);
- OPT_V(ctx->nir, nir_opt_move_comparisons);
+ OPT_V(ctx->nir, nir_opt_move, nir_move_comparisons);
OPT_V(ctx->nir, nir_lower_int_to_float);
OPT_V(ctx->nir, nir_lower_bool_to_float);
diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c
index b331e62f91a..177e09654e0 100644
--- a/src/intel/compiler/brw_nir.c
+++ b/src/intel/compiler/brw_nir.c
@@ -875,7 +875,7 @@ brw_postprocess_nir(nir_shader *nir, const struct brw_compiler *compiler,
OPT(nir_lower_to_source_mods, nir_lower_all_source_mods);
OPT(nir_copy_prop);
OPT(nir_opt_dce);
- OPT(nir_opt_move_comparisons);
+ OPT(nir_opt_move, nir_move_comparisons);
OPT(nir_lower_bool_to_int32);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 06:38:45 +0000