[llvm] [LLVM] Adjust argument passing for `APInt`. NFC. (PR #81814)

[Nikita Popov via llvm-commits]

================
@@ -843,9 +843,9 @@ struct bind_const_intval_ty {
 /// Match a specified integer value or vector of all elements of that
 /// value.
 template <bool AllowUndefs> struct specific_intval {
-  APInt Val;
+  const APInt &Val;
----------------
nikic wrote:

Hm, is this safe for all usages? Might the APInt be temporary?

https://github.com/llvm/llvm-project/pull/81814