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nir/builder: Add a nir_imm_true/false helpers

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Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Jason Ekstrand
2018-10-19 09:35:49 -05:00
parent 249e32ab17
commit ff45649bc2
8 changed files with 37 additions and 14 deletions
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25
src/compiler/nir/nir_builder.h
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@@ -205,6 +205,29 @@ nir_build_imm(nir_builder *build, unsigned num_components,
return &load_const->def;
}
static inline nir_ssa_def *
nir_imm_bool(nir_builder *build, bool x)
{
nir_const_value v;
memset(&v, 0, sizeof(v));
v.u32[0] = x ? NIR_TRUE : NIR_FALSE;
return nir_build_imm(build, 1, 32, v);
}
static inline nir_ssa_def *
nir_imm_true(nir_builder *build)
{
return nir_imm_bool(build, true);
}
static inline nir_ssa_def *
nir_imm_false(nir_builder *build)
{
return nir_imm_bool(build, false);
}
static inline nir_ssa_def *
nir_imm_float(nir_builder *build, float x)
{
@@ -489,7 +512,7 @@ nir_bany_inequal(nir_builder *b, nir_ssa_def *src0, nir_ssa_def *src1)
static inline nir_ssa_def *
nir_bany(nir_builder *b, nir_ssa_def *src)
{
return nir_bany_inequal(b, src, nir_imm_int(b, 0));
return nir_bany_inequal(b, src, nir_imm_false(b));
}
static inline nir_ssa_def *

2
src/compiler/nir/nir_lower_int64.c
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@@ -86,7 +86,7 @@ lower_udiv64_mod64(nir_builder *b, nir_ssa_def *n, nir_ssa_def *d,
* this is always true within the if statement.
*/
if (n->num_components == 1)
need_high_div = nir_imm_int(b, NIR_TRUE);
need_high_div = nir_imm_true(b);
nir_ssa_def *log2_d_lo = nir_ufind_msb(b, d_lo);

4
src/compiler/nir/nir_lower_returns.c
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@@ -198,11 +198,11 @@ lower_returns_in_block(nir_block *block, struct lower_returns_state *state)
/* Initialize the variable to 0 */
b->cursor = nir_before_cf_list(&b->impl->body);
nir_store_var(b, state->return_flag, nir_imm_int(b, NIR_FALSE), 1);
nir_store_var(b, state->return_flag, nir_imm_false(b), 1);
}
b->cursor = nir_after_block(block);
nir_store_var(b, state->return_flag, nir_imm_int(b, NIR_TRUE), 1);
nir_store_var(b, state->return_flag, nir_imm_true(b), 1);
if (state->loop) {
/* We're in a loop; we need to break out of it. */

2
src/compiler/nir/nir_lower_subgroups.c
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@@ -300,7 +300,7 @@ lower_subgroups_intrin(nir_builder *b, nir_intrinsic_instr *intrin,
case nir_intrinsic_vote_feq:
case nir_intrinsic_vote_ieq:
if (options->lower_vote_trivial)
return nir_imm_int(b, NIR_TRUE);
return nir_imm_true(b);
if (options->lower_vote_eq_to_ballot)
return lower_vote_eq_to_ballot(b, intrin, options);

2
src/compiler/nir/nir_opt_intrinsics.c
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@@ -53,7 +53,7 @@ opt_intrinsics_impl(nir_function_impl *impl)
case nir_intrinsic_vote_feq:
case nir_intrinsic_vote_ieq:
if (nir_src_is_const(intrin->src[0]))
replacement = nir_imm_int(&b, NIR_TRUE);
replacement = nir_imm_true(&b);
break;
default:
break;

4
src/compiler/spirv/vtn_alu.c
View File

@@ -494,7 +494,7 @@ vtn_handle_alu(struct vtn_builder *b, SpvOp opcode,
default: vtn_fail("invalid number of components");
}
val->ssa->def = nir_build_alu(&b->nb, op, src[0],
nir_imm_int(&b->nb, NIR_FALSE),
nir_imm_false(&b->nb),
NULL, NULL);
}
break;
@@ -511,7 +511,7 @@ vtn_handle_alu(struct vtn_builder *b, SpvOp opcode,
default: vtn_fail("invalid number of components");
}
val->ssa->def = nir_build_alu(&b->nb, op, src[0],
nir_imm_int(&b->nb, NIR_TRUE),
nir_imm_true(&b->nb),
NULL, NULL);
}
break;

10
src/compiler/spirv/vtn_cfg.c
View File

@@ -723,7 +723,7 @@ vtn_emit_branch(struct vtn_builder *b, enum vtn_branch_type branch_type,
{
switch (branch_type) {
case vtn_branch_type_switch_break:
nir_store_var(&b->nb, switch_fall_var, nir_imm_int(&b->nb, NIR_FALSE), 1);
nir_store_var(&b->nb, switch_fall_var, nir_imm_false(&b->nb), 1);
*has_switch_break = true;
break;
case vtn_branch_type_switch_fallthrough:
@@ -841,7 +841,7 @@ vtn_emit_cf_list(struct vtn_builder *b, struct list_head *cf_list,
nir_local_variable_create(b->nb.impl, glsl_bool_type(), "cont");
b->nb.cursor = nir_before_cf_node(&loop->cf_node);
nir_store_var(&b->nb, do_cont, nir_imm_int(&b->nb, NIR_FALSE), 1);
nir_store_var(&b->nb, do_cont, nir_imm_false(&b->nb), 1);
b->nb.cursor = nir_before_cf_list(&loop->body);
@@ -852,7 +852,7 @@ vtn_emit_cf_list(struct vtn_builder *b, struct list_head *cf_list,
nir_pop_if(&b->nb, cont_if);
nir_store_var(&b->nb, do_cont, nir_imm_int(&b->nb, NIR_TRUE), 1);
nir_store_var(&b->nb, do_cont, nir_imm_true(&b->nb), 1);
b->has_loop_continue = true;
}
@@ -870,7 +870,7 @@ vtn_emit_cf_list(struct vtn_builder *b, struct list_head *cf_list,
*/
nir_variable *fall_var =
nir_local_variable_create(b->nb.impl, glsl_bool_type(), "fall");
nir_store_var(&b->nb, fall_var, nir_imm_int(&b->nb, NIR_FALSE), 1);
nir_store_var(&b->nb, fall_var, nir_imm_false(&b->nb), 1);
/* Next, we gather up all of the conditions. We have to do this
* up-front because we also need to build an "any" condition so
@@ -918,7 +918,7 @@ vtn_emit_cf_list(struct vtn_builder *b, struct list_head *cf_list,
nir_if *case_if = nir_push_if(&b->nb, cond);
bool has_break = false;
nir_store_var(&b->nb, fall_var, nir_imm_int(&b->nb, NIR_TRUE), 1);
nir_store_var(&b->nb, fall_var, nir_imm_true(&b->nb), 1);
vtn_emit_cf_list(b, &cse->body, fall_var, &has_break, handler);
(void)has_break; /* We don't care */

2
src/intel/compiler/brw_nir_lower_image_load_store.c
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@@ -123,7 +123,7 @@ image_coord_is_in_bounds(nir_builder *b, nir_deref_instr *deref,
nir_ssa_def *cmp = nir_ilt(b, coord, size);
unsigned coord_comps = glsl_get_sampler_coordinate_components(deref->type);
nir_ssa_def *in_bounds = nir_imm_int(b, NIR_TRUE);
nir_ssa_def *in_bounds = nir_imm_true(b);
for (unsigned i = 0; i < coord_comps; i++)
in_bounds = nir_iand(b, in_bounds, nir_channel(b, cmp, i));