================
@@ -263,6 +263,30 @@ template <bool Signed> class IntegralAP final {
*R = IntegralAP(A.V.lshr(ShiftAmount));
}
+ // === Serialization support ===
+ size_t bytesToSerialize() const {
+ // 1 byte for the BitWidth followed by N bytes for the actual APInt.
+ // FIXME: Is 1 byte enough? APInt::getBitWidth() returns an unsigned.
----------------
AaronBallman wrote:
I don't think one byte is sufficient if this will end up underpinning `_BitInt`.
https://github.com/llvm/llvm-project/pull/79747
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