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freedreno: Log the number of loops in the shader for shader-db.

Browse source 
shader-db's report.py will use this to see when we've changed loop
unrolling behavior on a shader and skip including other stats like
instruction count from being considered for that shader, since they won't
be useful as a proxy for real world performance in that case.

Reviewed-by: Rob Clark <robdclark@gmail.com>
Tested-by: Eduardo Lima Mitev <elima@igalia.com>
This commit is contained in:
Eric Anholt 2019-05-14 16:24:33 -07:00
parent c2e68bebb4
commit ef88e23d03
3 changed files with 4 additions and 2 deletions
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1
src/freedreno/ir3/ir3_compiler_nir.c
View file

@ -2168,6 +2168,7 @@ static void
emit_loop(struct ir3_context *ctx, nir_loop *nloop)
{
emit_cf_list(ctx, &nloop->body);
ctx->so->loops++;
}
static void

1
src/freedreno/ir3/ir3_shader.h
View file

@ -401,6 +401,7 @@ struct ir3_shader_variant {
unsigned branchstack;
unsigned max_sun;
unsigned loops;
/* the instructions length is in units of instruction groups
* (4 instructions for a3xx, 16 instructions for a4xx.. each

4
src/gallium/drivers/freedreno/ir3/ir3_gallium.c
View file

@ -52,7 +52,7 @@ dump_shader_info(struct ir3_shader_variant *v, struct pipe_debug_callback *debug
pipe_debug_message(debug, SHADER_INFO,
"%s shader: %u inst, %u dwords, "
"%u half, %u full, %u const, %u constlen, "
"%u (ss), %u (sy), %d max_sun\n",
"%u (ss), %u (sy), %d max_sun, %d loops\n",
ir3_shader_stage(v->shader),
v->info.instrs_count,
v->info.sizedwords,
@ -61,7 +61,7 @@ dump_shader_info(struct ir3_shader_variant *v, struct pipe_debug_callback *debug
v->info.max_const + 1,
v->constlen,
v->info.ss, v->info.sy,
v->max_sun);
v->max_sun, v->loops);
}
struct ir3_shader_variant *