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nir: clarify some nit_loop_info member names

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Following commits will introduce additional fields such as
guessed_trip_count. Renaming these will help avoid confusion
as our unrolling feature set grows.

Reviewed-by: Thomas Helland <thomashelland90@gmail.com>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
This commit is contained in:
Timothy Arceri
2018-11-20 11:35:37 +11:00
parent de0aee7638
commit 03d7c65ad8
3 changed files with 19 additions and 17 deletions
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14
src/compiler/nir/nir_loop_analyze.c
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@@ -527,7 +527,7 @@ find_trip_count(loop_info_state *state)
{
bool trip_count_known = true;
nir_loop_terminator *limiting_terminator = NULL;
int min_trip_count = -1;
int max_trip_count = -1;
list_for_each_entry(nir_loop_terminator, terminator,
&state->loop->info->loop_terminator_list,
@@ -606,8 +606,8 @@ find_trip_count(loop_info_state *state)
* iterations than previously (we have identified a more limiting
* terminator) set the trip count and limiting terminator.
*/
if (min_trip_count == -1 || iterations < min_trip_count) {
min_trip_count = iterations;
if (max_trip_count == -1 || iterations < max_trip_count) {
max_trip_count = iterations;
limiting_terminator = terminator;
}
break;
@@ -617,9 +617,9 @@ find_trip_count(loop_info_state *state)
}
}
state->loop->info->is_trip_count_known = trip_count_known;
if (min_trip_count > -1)
state->loop->info->trip_count = min_trip_count;
state->loop->info->exact_trip_count_known = trip_count_known;
if (max_trip_count > -1)
state->loop->info->max_trip_count = max_trip_count;
state->loop->info->limiting_terminator = limiting_terminator;
}
@@ -639,7 +639,7 @@ force_unroll_array_access(loop_info_state *state, nir_deref_instr *deref)
nir_deref_instr *parent = nir_deref_instr_parent(d);
assert(glsl_type_is_array(parent->type) ||
glsl_type_is_matrix(parent->type));
if (glsl_get_length(parent->type) == state->loop->info->trip_count)
if (glsl_get_length(parent->type) == state->loop->info->max_trip_count)
return true;
if (deref->mode & state->indirect_mask)