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nir/opt_shrink_vectors: hoist alu helpers

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to be used earlier in the file in the next commit

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28004>
This commit is contained in:
Alyssa Rosenzweig 2024-03-07 13:45:59 -04:00 • committed by Marge Bot
parent d1916432ab
commit aa99753a28
1 changed files with 25 additions and 25 deletions
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50
src/compiler/nir/nir_opt_shrink_vectors.c
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@ -58,6 +58,31 @@ round_up_components(unsigned n)
return (n > 5) ? util_next_power_of_two(n) : n;
}
static void
reswizzle_alu_uses(nir_def *def, uint8_t *reswizzle)
{
nir_foreach_use(use_src, def) {
/* all uses must be ALU instructions */
assert(nir_src_parent_instr(use_src)->type == nir_instr_type_alu);
nir_alu_src *alu_src = (nir_alu_src *)use_src;
/* reswizzle ALU sources */
for (unsigned i = 0; i < NIR_MAX_VEC_COMPONENTS; i++)
alu_src->swizzle[i] = reswizzle[alu_src->swizzle[i]];
}
}
static bool
is_only_used_by_alu(nir_def *def)
{
nir_foreach_use(use_src, def) {
if (nir_src_parent_instr(use_src)->type != nir_instr_type_alu)
return false;
}
return true;
}
static bool
shrink_dest_to_read_mask(nir_def *def)
{
@ -121,31 +146,6 @@ shrink_intrinsic_to_non_sparse(nir_intrinsic_instr *instr)
return true;
}
static void
reswizzle_alu_uses(nir_def *def, uint8_t *reswizzle)
{
nir_foreach_use(use_src, def) {
/* all uses must be ALU instructions */
assert(nir_src_parent_instr(use_src)->type == nir_instr_type_alu);
nir_alu_src *alu_src = (nir_alu_src *)use_src;
/* reswizzle ALU sources */
for (unsigned i = 0; i < NIR_MAX_VEC_COMPONENTS; i++)
alu_src->swizzle[i] = reswizzle[alu_src->swizzle[i]];
}
}
static bool
is_only_used_by_alu(nir_def *def)
{
nir_foreach_use(use_src, def) {
if (nir_src_parent_instr(use_src)->type != nir_instr_type_alu)
return false;
}
return true;
}
static bool
opt_shrink_vector(nir_builder *b, nir_alu_instr *instr)
{