================
@@ -183,12 +201,20 @@ class TypeHashMode : public ModeBase {
using ModeBase::ModeBase;
uint64_t operator()(const CallBase &CB, OptimizationRemarkEmitter &ORE) {
+ const auto [N, H] = getHash(CB, ORE);
+ return N ? boundedToken(H) : H;
+ }
+
+protected:
+ std::pair<MDNode *, uint64_t> getHash(const CallBase &CB,
+ OptimizationRemarkEmitter &ORE) {
if (MDNode *N = getAllocTokenMetadata(CB)) {
MDString *S = cast<MDString>(N->getOperand(0));
- return boundedToken(xxHash64(S->getString()));
+ return {N, xxHash64(S->getString())};
----------------
vitalybuka wrote:
So we need a stable hash here? I assume xxHash64 is not.
Maybe something we use in GUID?
https://github.com/llvm/llvm-project/pull/156840
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