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freedreno/ir3: make falsedep use's optional 

Add option when collecting uses to control whether they include
falsedeps or not.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4440>
This commit is contained in:
Rob Clark 2020-04-05 11:28:42 -07:00 committed by Marge Bot
parent d09e3afdcc
commit 860f5981f0
3 changed files with 6 additions and 4 deletions
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6
src/freedreno/ir3/ir3.c
View File

@ -1170,7 +1170,7 @@ ir3_lookup_array(struct ir3 *ir, unsigned id)
}
void
ir3_find_ssa_uses(struct ir3 *ir, void *mem_ctx)
ir3_find_ssa_uses(struct ir3 *ir, void *mem_ctx, bool falsedeps)
{
/* We could do this in a single pass if we can assume instructions
* are always sorted. Which currently might not always be true.
@ -1184,7 +1184,9 @@ ir3_find_ssa_uses(struct ir3 *ir, void *mem_ctx)
foreach_instr (instr, &block->instr_list) {
struct ir3_instruction *src;
foreach_ssa_src (src, instr) {
foreach_ssa_src_n (src, n, instr) {
if (__is_false_dep(instr, n) && !falsedeps)
continue;
if (!src->uses)
src->uses = _mesa_pointer_set_create(mem_ctx);
_mesa_set_add(src->uses, instr);

2
src/freedreno/ir3/ir3.h
View File

@ -609,7 +609,7 @@ void ir3_clear_mark(struct ir3 *shader);
unsigned ir3_count_instructions(struct ir3 *ir);
void ir3_find_ssa_uses(struct ir3 *ir, void *mem_ctx);
void ir3_find_ssa_uses(struct ir3 *ir, void *mem_ctx, bool falsedeps);
#include "util/set.h"
#define foreach_ssa_use(__use, __instr) \

2
src/freedreno/ir3/ir3_cf.c
View File

@ -141,7 +141,7 @@ ir3_cf(struct ir3 *ir)
{
void *mem_ctx = ralloc_context(NULL);
ir3_find_ssa_uses(ir, mem_ctx);
ir3_find_ssa_uses(ir, mem_ctx, false);
foreach_block (block, &ir->block_list) {
foreach_instr_safe (instr, &block->instr_list) {