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nir: Add a reg_intrinsics flag to nir_convert_from_ssa

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It doesn't do anything yet. We leave that to the subsequent patches so we can
keep the tree-wide refactor as simple as possible.

Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/23089>
This commit is contained in:
Faith Ekstrand
2023-05-31 13:26:53 -05:00
committed by Marge Bot
parent bcf3a622d1
commit 73e191924c
15 changed files with 25 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/broadcom/compiler/vir.c
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@@ -1624,7 +1624,7 @@ v3d_attempt_compile(struct v3d_compile *c)
NIR_PASS(_, c->s, nir_lower_bool_to_int32);
NIR_PASS(_, c->s, nir_convert_to_lcssa, true, true);
NIR_PASS_V(c->s, nir_divergence_analysis);
NIR_PASS(_, c->s, nir_convert_from_ssa, true);
NIR_PASS(_, c->s, nir_convert_from_ssa, true, false);
struct nir_schedule_options schedule_options = {
/* Schedule for about half our register space, to enable more

7
src/compiler/nir/nir.h
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@@ -5991,9 +5991,12 @@ bool nir_has_divergent_loop(nir_shader *shader);
/* If phi_webs_only is true, only convert SSA values involved in phi nodes to
* registers. If false, convert all values (even those not involved in a phi
* node) to registers.
* node) to registers. If reg_intrinsics is true, it will use
* decl/load/store_reg intrinsics instead of nir_register.
*/
bool nir_convert_from_ssa(nir_shader *shader, bool phi_webs_only);
bool nir_convert_from_ssa(nir_shader *shader,
bool phi_webs_only,
bool reg_intrinsics);
bool nir_lower_phis_to_regs_block(nir_block *block);
bool nir_lower_ssa_defs_to_regs_block(nir_block *block);

4
src/compiler/nir/nir_from_ssa.c
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@@ -906,7 +906,9 @@ nir_convert_from_ssa_impl(nir_function_impl *impl, bool phi_webs_only)
}
bool
nir_convert_from_ssa(nir_shader *shader, bool phi_webs_only)
nir_convert_from_ssa(nir_shader *shader,
bool phi_webs_only,
bool reg_intrinsics)
{
bool progress = false;

6
src/compiler/nir/tests/serialize_tests.cpp
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@@ -194,7 +194,7 @@ TEST_P(nir_serialize_all_but_one_test, alu_two_components_reg_two_swizzle)
memset(fma_alu->src[1].swizzle, 1, GetParam());
memset(fma_alu->src[2].swizzle, 1, GetParam());
ASSERT_TRUE(nir_convert_from_ssa(b->shader, false));
ASSERT_TRUE(nir_convert_from_ssa(b->shader, false, false));
fma_alu = get_last_alu(b->shader);
ASSERT_FALSE(fma_alu->dest.dest.is_ssa);
@@ -223,7 +223,7 @@ TEST_P(nir_serialize_all_but_one_test, alu_full_width_reg_two_swizzle)
memset(fma_alu->src[1].swizzle, GetParam() - 1, GetParam());
memset(fma_alu->src[2].swizzle, GetParam() - 1, GetParam());
ASSERT_TRUE(nir_convert_from_ssa(b->shader, false));
ASSERT_TRUE(nir_convert_from_ssa(b->shader, false, false));
fma_alu = get_last_alu(b->shader);
ASSERT_FALSE(fma_alu->dest.dest.is_ssa);
@@ -251,7 +251,7 @@ TEST_P(nir_serialize_all_but_one_test, alu_two_component_reg_full_src)
memset(fma_alu->src[1].swizzle, 1, GetParam());
memset(fma_alu->src[2].swizzle, 1, GetParam());
ASSERT_TRUE(nir_convert_from_ssa(b->shader, false));
ASSERT_TRUE(nir_convert_from_ssa(b->shader, false, false));
fma_alu = get_last_alu(b->shader);
ASSERT_FALSE(fma_alu->dest.dest.is_ssa);

2
src/gallium/auxiliary/gallivm/lp_bld_nir.c
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@@ -2878,7 +2878,7 @@ bool lp_build_nir_llvm(struct lp_build_nir_context *bld_base,
{
struct nir_function *func;
NIR_PASS_V(nir, nir_convert_from_ssa, true);
NIR_PASS_V(nir, nir_convert_from_ssa, true, false);
NIR_PASS_V(nir, nir_lower_locals_to_regs, 32);
NIR_PASS_V(nir, nir_remove_dead_derefs);
NIR_PASS_V(nir, nir_remove_dead_variables, nir_var_function_temp, NULL);

2
src/gallium/auxiliary/nir/nir_to_tgsi.c
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@@ -3867,7 +3867,7 @@ const void *nir_to_tgsi_options(struct nir_shader *s,
source_mods |= nir_lower_fabs_source_mods;
NIR_PASS_V(s, nir_lower_to_source_mods, source_mods);
NIR_PASS_V(s, nir_convert_from_ssa, true);
NIR_PASS_V(s, nir_convert_from_ssa, true, false);
NIR_PASS_V(s, nir_lower_vec_to_movs, ntt_vec_to_mov_writemask_cb, NULL);
/* locals_to_regs will leave dead derefs that are good to clean up. */

2
src/gallium/drivers/etnaviv/etnaviv_compiler_nir.c
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@@ -984,7 +984,7 @@ emit_shader(struct etna_compile *c, unsigned *num_temps, unsigned *num_consts)
}
/* call directly to avoid validation (load_const don't pass validation at this point) */
nir_convert_from_ssa(shader, true);
nir_convert_from_ssa(shader, true, false);
nir_opt_dce(shader);
etna_ra_assign(c, shader);

2
src/gallium/drivers/freedreno/a2xx/ir2_nir.c
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@@ -1119,7 +1119,7 @@ ir2_nir_compile(struct ir2_context *ctx, bool binning)
OPT_V(ctx->nir, nir_lower_alu_to_scalar, ir2_alu_to_scalar_filter_cb, NULL);
OPT_V(ctx->nir, nir_convert_from_ssa, true);
OPT_V(ctx->nir, nir_convert_from_ssa, true, false);
OPT_V(ctx->nir, nir_move_vec_src_uses_to_dest);
OPT_V(ctx->nir, nir_lower_vec_to_movs, NULL, NULL);

4
src/gallium/drivers/lima/lima_program.c
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@@ -152,7 +152,7 @@ lima_program_optimize_vs_nir(struct nir_shader *s)
NIR_PASS_V(s, nir_copy_prop);
NIR_PASS_V(s, nir_opt_dce);
NIR_PASS_V(s, lima_nir_split_loads);
NIR_PASS_V(s, nir_convert_from_ssa, true);
NIR_PASS_V(s, nir_convert_from_ssa, true, false);
NIR_PASS_V(s, nir_opt_dce);
NIR_PASS_V(s, nir_remove_dead_variables, nir_var_function_temp, NULL);
nir_sweep(s);
@@ -270,7 +270,7 @@ lima_program_optimize_fs_nir(struct nir_shader *s,
NIR_PASS_V(s, nir_copy_prop);
NIR_PASS_V(s, nir_opt_dce);
NIR_PASS_V(s, nir_convert_from_ssa, true);
NIR_PASS_V(s, nir_convert_from_ssa, true, false);
NIR_PASS_V(s, nir_remove_dead_variables, nir_var_function_temp, NULL);
NIR_PASS_V(s, nir_move_vec_src_uses_to_dest);

2
src/gallium/drivers/r600/sfn/sfn_nir.cpp
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@@ -936,7 +936,7 @@ r600_shader_from_nir(struct r600_context *rctx,
NIR_PASS_V(sh, nir_lower_bool_to_int32);
NIR_PASS_V(sh, nir_lower_locals_to_regs, 32);
NIR_PASS_V(sh, nir_convert_from_ssa, true);
NIR_PASS_V(sh, nir_convert_from_ssa, true, false);
NIR_PASS_V(sh, nir_opt_dce);
if (rctx->screen->b.debug_flags & DBG_ALL_SHADERS) {

2
src/gallium/drivers/vc4/vc4_program.c
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@@ -2333,7 +2333,7 @@ vc4_shader_ntq(struct vc4_context *vc4, enum qstage stage,
NIR_PASS_V(c->s, nir_lower_bool_to_int32);
NIR_PASS_V(c->s, nir_convert_from_ssa, true);
NIR_PASS_V(c->s, nir_convert_from_ssa, true, false);
if (VC4_DBG(NIR)) {
fprintf(stderr, "%s prog %d/%d NIR:\n",

4
src/gallium/drivers/zink/zink_compiler.c
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@@ -3493,7 +3493,7 @@ compile_module(struct zink_screen *screen, struct zink_shader *zs, nir_shader *n
struct zink_shader_info *sinfo = &zs->sinfo;
prune_io(nir);
NIR_PASS_V(nir, nir_convert_from_ssa, true);
NIR_PASS_V(nir, nir_convert_from_ssa, true, false);
struct zink_shader_object obj;
struct spirv_shader *spirv = nir_to_spirv(nir, sinfo, screen->spirv_version);
@@ -5275,7 +5275,7 @@ zink_shader_tcs_create(struct zink_screen *screen, nir_shader *tes, unsigned ver
optimize_nir(nir, NULL);
NIR_PASS_V(nir, nir_remove_dead_variables, nir_var_function_temp, NULL);
NIR_PASS_V(nir, nir_convert_from_ssa, true);
NIR_PASS_V(nir, nir_convert_from_ssa, true, false);
*nir_ret = nir;
zink_shader_serialize_blob(nir, &ret->blob);

2
src/intel/compiler/brw_nir.c
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@@ -1722,7 +1722,7 @@ brw_postprocess_nir(nir_shader *nir, const struct brw_compiler *compiler,
nir_validate_ssa_dominance(nir, "before nir_convert_from_ssa");
OPT(nir_convert_from_ssa, true);
OPT(nir_convert_from_ssa, true, false);
if (!is_scalar) {
OPT(nir_move_vec_src_uses_to_dest);

2
src/nouveau/codegen/nv50_ir_from_nir.cpp
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@@ -3257,7 +3257,7 @@ Converter::run()
NIR_PASS_V(nir, nir_lower_bool_to_int32);
NIR_PASS_V(nir, nir_lower_bit_size, Converter::lowerBitSizeCB, this);
NIR_PASS_V(nir, nir_convert_from_ssa, true);
NIR_PASS_V(nir, nir_convert_from_ssa, true, false);
// Garbage collect dead instructions
nir_sweep(nir);

2
src/panfrost/midgard/midgard_compile.c
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@@ -480,7 +480,7 @@ optimise_nir(nir_shader *nir, unsigned quirks, bool is_blend)
NIR_PASS_V(nir, nir_opt_move, move_all);
/* Take us out of SSA */
NIR_PASS(progress, nir, nir_convert_from_ssa, true);
NIR_PASS(progress, nir, nir_convert_from_ssa, true, false);
/* We are a vector architecture; write combine where possible */
NIR_PASS(progress, nir, nir_move_vec_src_uses_to_dest);