fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-03 11:30:21 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

aco/lower_phis: simplify check for uniform predecessors

Browse source 
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28661>
This commit is contained in:
Daniel Schürmann 2024-04-06 10:59:09 +02:00 • committed by Marge Bot
parent d6c9b1d03f
commit 3b832fe2ab
1 changed files with 1 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
src/amd/compiler/aco_lower_phis.cpp
View file

@ -25,8 +25,6 @@ enum class pred_defined : uint8_t {
MESA_DEFINE_CPP_ENUM_BITFIELD_OPERATORS(pred_defined);
struct ssa_state {
bool checked_preds_for_uniform;
bool all_preds_uniform;
unsigned loop_nest_depth;
std::vector<pred_defined> any_pred_defined;
@ -302,16 +300,7 @@ void
lower_divergent_bool_phi(Program* program, ssa_state* state, Block* block,
aco_ptr<Instruction>& phi)
{
if (!state->checked_preds_for_uniform) {
state->all_preds_uniform = !(block->kind & block_kind_merge) &&
block->linear_preds.size() == block->logical_preds.size();
for (unsigned pred : block->logical_preds)
state->all_preds_uniform =
state->all_preds_uniform && (program->blocks[pred].kind & block_kind_uniform);
state->checked_preds_for_uniform = true;
}
if (state->all_preds_uniform) {
if (block->linear_preds == block->logical_preds) {
phi->opcode = aco_opcode::p_linear_phi;
return;
}
@ -377,7 +366,6 @@ lower_phis(Program* program)
ssa_state state;
for (Block& block : program->blocks) {
state.checked_preds_for_uniform = false;
for (aco_ptr<Instruction>& phi : block.instructions) {
if (phi->opcode == aco_opcode::p_phi) {
assert(program->wave_size == 64 ? phi->definitions[0].regClass() != s1