diff options
| author | Kenneth Graunke <[email protected]> | 2016-08-17 15:03:00 -0700 |
|---|---|---|
| committer | Kenneth Graunke <[email protected]> | 2016-08-18 01:27:27 -0700 |
| commit | 3a9e6102b4baae3f50956e5f150c9e59138f4cc0 (patch) | |
| tree | af9a57937081034d707c613bb302371747a5255f /src/compiler/nir | |
| parent | e8543feba790b68edfcacc9554967118029b88f8 (diff) | |
nir/search: Extend 'a@bool' to handle a couple of system values.
load_front_face and load_helper_invocation produce booleans.
On Broadwell:
total instructions in shared programs: 11638956 -> 11638011 (-0.01%)
instructions in affected programs: 115093 -> 114148 (-0.82%)
helped: 628
HURT: 14
Signed-off-by: Kenneth Graunke <[email protected]>
Reviewed-by: Jason Ekstrand <[email protected]>
Diffstat (limited to 'src/compiler/nir')
| -rw-r--r-- | src/compiler/nir/nir_search.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_search.c b/src/compiler/nir/nir_search.c index bfa00c24a41..f24a7b9d07f 100644 --- a/src/compiler/nir/nir_search.c +++ b/src/compiler/nir/nir_search.c @@ -78,6 +78,13 @@ src_is_type(nir_src src, nir_alu_type type) } return nir_alu_type_get_base_type(output_type) == type; + } else if (src.ssa->parent_instr->type == nir_instr_type_intrinsic) { + nir_intrinsic_instr *intr = nir_instr_as_intrinsic(src.ssa->parent_instr); + + if (type == nir_type_bool) { + return intr->intrinsic == nir_intrinsic_load_front_face || + intr->intrinsic == nir_intrinsic_load_helper_invocation; + } } /* don't know */ |