Fixes issue with "is helper invocation" that in recent SPIR-V is mapped to
a volatile Load. The CSE was catching the loads before they were transformed
in the new is_helper_invocation intrinsic (that is not reorderable).
Fixes:
729df14e452 ("nir: Handle volatile semantics for loading HelperInvocation builtin")
Reviewed-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: M Henning <drawoc@darkrefraction.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/19432>
(cherry picked from commit
8ab628ab2e4d4f460e2eabdb11876997c0ab13bc)
"description": "nir: Don't reorder volatile intrinsics",
"nominated": true,
"nomination_type": 1,
- "resolution": 0,
+ "resolution": 1,
"main_sha": null,
"because_sha": "729df14e4528b70e63332e4255571729253e9791"
},
static inline bool
nir_intrinsic_can_reorder(nir_intrinsic_instr *instr)
{
+ if (nir_intrinsic_has_access(instr) &&
+ nir_intrinsic_access(instr) & ACCESS_VOLATILE)
+ return false;
if (instr->intrinsic == nir_intrinsic_load_deref) {
nir_deref_instr *deref = nir_src_as_deref(instr->src[0]);
return nir_deref_mode_is_in_set(deref, nir_var_read_only_modes) ||