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 <kenn...@whitecape.org>
---
src/compiler/nir/nir_search.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/src/compiler/nir/nir_search.c b/src/compiler/nir/nir_search.c
index bfa00c2..f24a7b9 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 */
--
2.9.0
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