nir/gather_info: use nir_ssa_scalar_resolved

This lets us skip copies.

Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19597>
This commit is contained in:
Rhys Perry
2022-11-07 15:02:53 +00:00
committed by Marge Bot
parent 085828ea4d
commit 907fbf22dd

View File

@@ -31,22 +31,20 @@ static bool
src_is_invocation_id(const nir_src *src)
{
assert(src->is_ssa);
if (src->ssa->parent_instr->type != nir_instr_type_intrinsic)
return false;
return nir_instr_as_intrinsic(src->ssa->parent_instr)->intrinsic ==
nir_intrinsic_load_invocation_id;
nir_ssa_scalar s = nir_ssa_scalar_resolved(src->ssa, 0);
return s.def->parent_instr->type == nir_instr_type_intrinsic &&
nir_instr_as_intrinsic(s.def->parent_instr)->intrinsic ==
nir_intrinsic_load_invocation_id;
}
static bool
src_is_local_invocation_index(const nir_src *src)
{
assert(src->is_ssa);
if (src->ssa->parent_instr->type != nir_instr_type_intrinsic)
return false;
return nir_instr_as_intrinsic(src->ssa->parent_instr)->intrinsic ==
nir_intrinsic_load_local_invocation_index;
nir_ssa_scalar s = nir_ssa_scalar_resolved(src->ssa, 0);
return s.def->parent_instr->type == nir_instr_type_intrinsic &&
nir_instr_as_intrinsic(s.def->parent_instr)->intrinsic ==
nir_intrinsic_load_local_invocation_index;
}
static void