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nir: Make an easier helper for setting up SSA defs.

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Almost all instructions we nir_ssa_def_init() for are nir_dests, and you
have to keep from forgetting to set is_ssa when you do.  Just provide the
simpler helper, instead.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Eric Anholt
2015-01-20 16:23:51 -08:00
parent c5be9c126d
commit 534a4ec82f
13 changed files with 46 additions and 66 deletions
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14
src/glsl/nir/glsl_to_nir.cpp
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@@ -612,8 +612,7 @@ nir_visitor::visit(ir_call *ir)
(ir_dereference *) ir->actual_parameters.get_head();
param->accept(this);
instr->variables[0] = this->deref_head;
instr->dest.is_ssa = true;
nir_ssa_def_init(&instr->instr, &instr->dest.ssa, 1, NULL);
nir_ssa_dest_init(&instr->instr, &instr->dest, 1, NULL);
nir_instr_insert_after_cf_list(this->cf_node_list, &instr->instr);
@@ -696,9 +695,7 @@ nir_visitor::visit(ir_assignment *ir)
nir_intrinsic_instr *load =
nir_intrinsic_instr_create(this->shader, nir_intrinsic_load_var);
load->num_components = ir->lhs->type->vector_elements;
load->dest.is_ssa = true;
nir_ssa_def_init(&load->instr, &load->dest.ssa,
num_components, NULL);
nir_ssa_dest_init(&load->instr, &load->dest, num_components, NULL);
load->variables[0] = lhs_deref;
nir_instr_insert_after_cf_list(this->cf_node_list, &load->instr);
@@ -711,9 +708,7 @@ nir_visitor::visit(ir_assignment *ir)
default: unreachable("Invalid number of components"); break;
}
nir_alu_instr *vec = nir_alu_instr_create(this->shader, vec_op);
vec->dest.dest.is_ssa = true;
nir_ssa_def_init(&vec->instr, &vec->dest.dest.ssa,
num_components, NULL);
nir_ssa_dest_init(&vec->instr, &vec->dest.dest, num_components, NULL);
vec->dest.write_mask = (1 << num_components) - 1;
unsigned component = 0;
@@ -798,8 +793,7 @@ nir_visitor::add_instr(nir_instr *instr, unsigned num_components)
{
nir_dest *dest = get_instr_dest(instr);
dest->is_ssa = true;
nir_ssa_def_init(instr, &dest->ssa, num_components, NULL);
nir_ssa_dest_init(instr, dest, num_components, NULL);
nir_instr_insert_after_cf_list(this->cf_node_list, instr);
this->result = instr;

8
src/glsl/nir/nir.c
View File

@@ -1791,6 +1791,14 @@ nir_ssa_def_init(nir_instr *instr, nir_ssa_def *def,
}
}
void
nir_ssa_dest_init(nir_instr *instr, nir_dest *dest,
unsigned num_components, const char *name)
{
dest->is_ssa = true;
nir_ssa_def_init(instr, &dest->ssa, num_components, name);
}
struct ssa_def_rewrite_state {
void *mem_ctx;
nir_ssa_def *old;

2
src/glsl/nir/nir.h
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@@ -1456,6 +1456,8 @@ nir_const_value *nir_src_as_const_value(nir_src src);
bool nir_srcs_equal(nir_src src1, nir_src src2);
void nir_instr_rewrite_src(nir_instr *instr, nir_src *src, nir_src new_src);
void nir_ssa_dest_init(nir_instr *instr, nir_dest *dest,
unsigned num_components, const char *name);
void nir_ssa_def_init(nir_instr *instr, nir_ssa_def *def,
unsigned num_components, const char *name);
void nir_ssa_def_rewrite_uses(nir_ssa_def *def, nir_src new_src, void *mem_ctx);

10
src/glsl/nir/nir_from_ssa.c
View File

@@ -355,9 +355,8 @@ isolate_phi_nodes_block(nir_block *block, void *void_state)
entry->src = nir_src_copy(src->src, state->dead_ctx);
_mesa_set_add(src->src.ssa->uses, &pcopy->instr);
entry->dest.is_ssa = true;
nir_ssa_def_init(&pcopy->instr, &entry->dest.ssa,
phi->dest.ssa.num_components, src->src.ssa->name);
nir_ssa_dest_init(&pcopy->instr, &entry->dest,
phi->dest.ssa.num_components, src->src.ssa->name);
struct set_entry *use_entry =
_mesa_set_search(src->src.ssa->uses, instr);
@@ -379,9 +378,8 @@ isolate_phi_nodes_block(nir_block *block, void *void_state)
nir_parallel_copy_entry);
exec_list_push_tail(&block_pcopy->entries, &entry->node);
entry->dest.is_ssa = true;
nir_ssa_def_init(&block_pcopy->instr, &entry->dest.ssa,
phi->dest.ssa.num_components, phi->dest.ssa.name);
nir_ssa_dest_init(&block_pcopy->instr, &entry->dest,
phi->dest.ssa.num_components, phi->dest.ssa.name);
nir_ssa_def_rewrite_uses(&phi->dest.ssa,
nir_src_for_ssa(&entry->dest.ssa),
state->mem_ctx);

11
src/glsl/nir/nir_lower_atomics.c
View File

@@ -86,8 +86,7 @@ lower_instr(nir_intrinsic_instr *instr, nir_function_impl *impl)
nir_instr_insert_before(&instr->instr, &atomic_counter_size->instr);
nir_alu_instr *mul = nir_alu_instr_create(mem_ctx, nir_op_imul);
mul->dest.dest.is_ssa = true;
nir_ssa_def_init(&mul->instr, &mul->dest.dest.ssa, 1, NULL);
nir_ssa_dest_init(&mul->instr, &mul->dest.dest, 1, NULL);
mul->dest.write_mask = 0x1;
mul->src[0].src = nir_src_copy(deref_array->indirect, mem_ctx);
mul->src[1].src.is_ssa = true;
@@ -95,8 +94,7 @@ lower_instr(nir_intrinsic_instr *instr, nir_function_impl *impl)
nir_instr_insert_before(&instr->instr, &mul->instr);
nir_alu_instr *add = nir_alu_instr_create(mem_ctx, nir_op_iadd);
add->dest.dest.is_ssa = true;
nir_ssa_def_init(&add->instr, &add->dest.dest.ssa, 1, NULL);
nir_ssa_dest_init(&add->instr, &add->dest.dest, 1, NULL);
add->dest.write_mask = 0x1;
add->src[0].src.is_ssa = true;
add->src[0].src.ssa = &mul->dest.dest.ssa;
@@ -112,9 +110,8 @@ lower_instr(nir_intrinsic_instr *instr, nir_function_impl *impl)
new_instr->src[0].ssa = offset_def;;
if (instr->dest.is_ssa) {
new_instr->dest.is_ssa = true;
nir_ssa_def_init(&new_instr->instr, &new_instr->dest.ssa,
instr->dest.ssa.num_components, NULL);
nir_ssa_dest_init(&new_instr->instr, &new_instr->dest,
instr->dest.ssa.num_components, NULL);
nir_ssa_def_rewrite_uses(&instr->dest.ssa,
nir_src_for_ssa(&new_instr->dest.ssa),
mem_ctx);

11
src/glsl/nir/nir_lower_io.c
View File

@@ -151,8 +151,7 @@ get_io_offset(nir_deref_var *deref, nir_instr *instr, nir_src *indirect,
mul->src[1].src = nir_src_copy(deref_array->indirect,
state->mem_ctx);
mul->dest.write_mask = 1;
mul->dest.dest.is_ssa = true;
nir_ssa_def_init(&mul->instr, &mul->dest.dest.ssa, 1, NULL);
nir_ssa_dest_init(&mul->instr, &mul->dest.dest, 1, NULL);
nir_instr_insert_before(instr, &mul->instr);
if (found_indirect) {
@@ -162,8 +161,7 @@ get_io_offset(nir_deref_var *deref, nir_instr *instr, nir_src *indirect,
add->src[1].src.is_ssa = true;
add->src[1].src.ssa = &mul->dest.dest.ssa;
add->dest.write_mask = 1;
add->dest.dest.is_ssa = true;
nir_ssa_def_init(&add->instr, &add->dest.dest.ssa, 1, NULL);
nir_ssa_dest_init(&add->instr, &add->dest.dest, 1, NULL);
nir_instr_insert_before(instr, &add->instr);
indirect->is_ssa = true;
@@ -235,9 +233,8 @@ nir_lower_io_block(nir_block *block, void *void_state)
load->src[0] = indirect;
if (intrin->dest.is_ssa) {
load->dest.is_ssa = true;
nir_ssa_def_init(&load->instr, &load->dest.ssa,
intrin->num_components, NULL);
nir_ssa_dest_init(&load->instr, &load->dest,
intrin->num_components, NULL);
nir_ssa_def_rewrite_uses(&intrin->dest.ssa,
nir_src_for_ssa(&load->dest.ssa),
state->mem_ctx);

11
src/glsl/nir/nir_lower_locals_to_regs.c
View File

@@ -158,8 +158,7 @@ get_deref_reg_src(nir_deref_var *deref, nir_instr *instr,
mul->src[1].src.is_ssa = true;
mul->src[1].src.ssa = &load_const->def;
mul->dest.write_mask = 1;
mul->dest.dest.is_ssa = true;
nir_ssa_def_init(&mul->instr, &mul->dest.dest.ssa, 1, NULL);
nir_ssa_dest_init(&mul->instr, &mul->dest.dest, 1, NULL);
nir_instr_insert_before(instr, &mul->instr);
src.reg.indirect->is_ssa = true;
@@ -178,8 +177,7 @@ get_deref_reg_src(nir_deref_var *deref, nir_instr *instr,
add->src[1].src = nir_src_copy(deref_array->indirect,
state->mem_ctx);
add->dest.write_mask = 1;
add->dest.dest.is_ssa = true;
nir_ssa_def_init(&add->instr, &add->dest.dest.ssa, 1, NULL);
nir_ssa_dest_init(&add->instr, &add->dest.dest, 1, NULL);
nir_instr_insert_before(instr, &add->instr);
src.reg.indirect->is_ssa = true;
@@ -212,9 +210,8 @@ lower_locals_to_regs_block(nir_block *block, void *void_state)
&intrin->instr, state);
mov->dest.write_mask = (1 << intrin->num_components) - 1;
if (intrin->dest.is_ssa) {
mov->dest.dest.is_ssa = true;
nir_ssa_def_init(&mov->instr, &mov->dest.dest.ssa,
intrin->num_components, NULL);
nir_ssa_dest_init(&mov->instr, &mov->dest.dest,
intrin->num_components, NULL);
nir_ssa_def_rewrite_uses(&intrin->dest.ssa,
nir_src_for_ssa(&mov->dest.dest.ssa),
state->mem_ctx);

5
src/glsl/nir/nir_lower_system_values.c
View File

@@ -70,9 +70,8 @@ convert_instr(nir_intrinsic_instr *instr)
nir_intrinsic_instr *new_instr = nir_intrinsic_instr_create(mem_ctx, op);
if (instr->dest.is_ssa) {
new_instr->dest.is_ssa = true;
nir_ssa_def_init(&new_instr->instr, &new_instr->dest.ssa,
instr->dest.ssa.num_components, NULL);
nir_ssa_dest_init(&new_instr->instr, &new_instr->dest,
instr->dest.ssa.num_components, NULL);
nir_ssa_def_rewrite_uses(&instr->dest.ssa,
nir_src_for_ssa(&new_instr->dest.ssa),
mem_ctx);

3
src/glsl/nir/nir_lower_var_copies.c
View File

@@ -155,8 +155,7 @@ emit_copy_load_store(nir_intrinsic_instr *copy_instr,
nir_intrinsic_instr_create(mem_ctx, nir_intrinsic_load_var);
load->num_components = num_components;
load->variables[0] = nir_deref_as_var(src_deref);
load->dest.is_ssa = true;
nir_ssa_def_init(&load->instr, &load->dest.ssa, num_components, NULL);
nir_ssa_dest_init(&load->instr, &load->dest, num_components, NULL);
nir_instr_insert_before(&copy_instr->instr, &load->instr);

15
src/glsl/nir/nir_lower_vars_to_ssa.c
View File

@@ -784,9 +784,8 @@ rename_variables_block(nir_block *block, struct lower_variables_state *state)
assert(intrin->dest.is_ssa);
mov->dest.write_mask = (1 << intrin->num_components) - 1;
mov->dest.dest.is_ssa = true;
nir_ssa_def_init(&mov->instr, &mov->dest.dest.ssa,
intrin->num_components, NULL);
nir_ssa_dest_init(&mov->instr, &mov->dest.dest,
intrin->num_components, NULL);
nir_instr_insert_before(&intrin->instr, &mov->instr);
nir_instr_remove(&intrin->instr);
@@ -824,9 +823,8 @@ rename_variables_block(nir_block *block, struct lower_variables_state *state)
mov->src[0].swizzle[i] = 0;
mov->dest.write_mask = (1 << intrin->num_components) - 1;
mov->dest.dest.is_ssa = true;
nir_ssa_def_init(&mov->instr, &mov->dest.dest.ssa,
intrin->num_components, NULL);
nir_ssa_dest_init(&mov->instr, &mov->dest.dest,
intrin->num_components, NULL);
nir_instr_insert_before(&intrin->instr, &mov->instr);
@@ -960,9 +958,8 @@ insert_phi_nodes(struct lower_variables_state *state)
if (has_already[next->index] < iter_count) {
nir_phi_instr *phi = nir_phi_instr_create(state->mem_ctx);
phi->dest.is_ssa = true;
nir_ssa_def_init(&phi->instr, &phi->dest.ssa,
glsl_get_vector_elements(node->type), NULL);
nir_ssa_dest_init(&phi->instr, &phi->dest,
glsl_get_vector_elements(node->type), NULL);
nir_instr_insert_before_block(next, &phi->instr);
_mesa_hash_table_insert(state->phi_table, phi, node);

5
src/glsl/nir/nir_opt_peephole_select.c
View File

@@ -163,9 +163,8 @@ nir_opt_peephole_select_block(nir_block *block, void *void_state)
}
}
sel->dest.dest.is_ssa = true;
nir_ssa_def_init(&sel->instr, &sel->dest.dest.ssa,
phi->dest.ssa.num_components, phi->dest.ssa.name);
nir_ssa_dest_init(&sel->instr, &sel->dest.dest,
phi->dest.ssa.num_components, phi->dest.ssa.name);
sel->dest.write_mask = (1 << phi->dest.ssa.num_components) - 1;
nir_ssa_def_rewrite_uses(&phi->dest.ssa,

8
src/glsl/nir/nir_search.c
View File

@@ -201,8 +201,7 @@ construct_value(const nir_search_value *value, nir_alu_type type,
num_components = nir_op_infos[expr->opcode].output_size;
nir_alu_instr *alu = nir_alu_instr_create(mem_ctx, expr->opcode);
alu->dest.dest.is_ssa = true;
nir_ssa_def_init(&alu->instr, &alu->dest.dest.ssa, num_components, NULL);
nir_ssa_dest_init(&alu->instr, &alu->dest.dest, num_components, NULL);
alu->dest.write_mask = (1 << num_components) - 1;
alu->dest.saturate = false;
@@ -301,9 +300,8 @@ nir_replace_instr(nir_alu_instr *instr, const nir_search_expression *search,
*/
nir_alu_instr *mov = nir_alu_instr_create(mem_ctx, nir_op_imov);
mov->dest.write_mask = instr->dest.write_mask;
mov->dest.dest.is_ssa = true;
nir_ssa_def_init(&mov->instr, &mov->dest.dest.ssa,
instr->dest.dest.ssa.num_components, NULL);
nir_ssa_dest_init(&mov->instr, &mov->dest.dest,
instr->dest.dest.ssa.num_components, NULL);
mov->src[0] = construct_value(replace, nir_op_infos[instr->op].output_type,
instr->dest.dest.ssa.num_components, &state,

9
src/glsl/nir/nir_to_ssa.c
View File

@@ -214,15 +214,12 @@ rewrite_def_forwards(nir_dest *dest, void *_state)
if (state->states[index].stack == NULL)
return true;
dest->is_ssa = true;
char *name = NULL;
if (dest->reg.reg->name)
name = ralloc_asprintf(state->mem_ctx, "%s_%u", dest->reg.reg->name,
state->states[index].num_defs);
nir_ssa_def_init(state->parent_instr, &dest->ssa,
reg->num_components, name);
nir_ssa_dest_init(state->parent_instr, dest, reg->num_components, name);
/* push our SSA destination on the stack */
state->states[index].index++;
@@ -270,9 +267,7 @@ rewrite_alu_instr_forward(nir_alu_instr *instr, rewrite_state *state)
reg->name, state->states[index].num_defs);
instr->dest.write_mask = (1 << num_components) - 1;
instr->dest.dest.is_ssa = true;
nir_ssa_def_init(&instr->instr, &instr->dest.dest.ssa,
num_components, name);
nir_ssa_dest_init(&instr->instr, &instr->dest.dest, num_components, name);
if (nir_op_infos[instr->op].output_size == 0) {
/*