1 files changed, 16 insertions, 0 deletions
diff --git a/src/compiler/nir/nir_search_helpers.h b/src/compiler/nir/nir_search_helpers.h
index 20fdae66e2c..ebb77ae67aa 100644
--- a/src/compiler/nir/nir_search_helpers.h
+++ b/src/compiler/nir/nir_search_helpers.h
@@ -114,4 +114,20 @@ is_zero_to_one(nir_alu_instr *instr, unsigned src, unsigned num_components,
    return true;
 }
 
+static inline bool
+is_used_more_than_once(nir_alu_instr *instr)
+{
+   bool zero_if_use = list_empty(&instr->dest.dest.ssa.if_uses);
+   bool zero_use = list_empty(&instr->dest.dest.ssa.uses);
+
+   if (zero_use && zero_if_use)
+      return false;
+   else if (zero_use && list_is_singular(&instr->dest.dest.ssa.if_uses))
+      return false;
+   else if (zero_if_use && list_is_singular(&instr->dest.dest.ssa.uses))
+      return false;
+
+   return true;
+}
+
 #endif /* _NIR_SEARCH_ */