================
@@ -341,6 +879,17 @@ static bool promoteIndirectCalls(Module &M,
ProfileSummaryInfo *PSI, bool InLTO,
return false;
}
bool Changed = false;
+ VirtualCallSiteTypeInfoMap VirtualCSInfo;
+
+ computeVirtualCallSiteTypeInfoMap(M, MAM, VirtualCSInfo);
+
+ // This map records states across functions in an LLVM IR module.
----------------
minglotus-6 wrote:
`VTableAddressPointOffsetVal` stores the vtable address points. The vtable
address point of a given `<vtable, address point offset>` is static (doesn't
change after being computed once).
`IndirectCallPromoter::getOrCreateVTableAddressPointVar` creates the map entry
the first time a `<vtable, offset>` pair is seen, as `promoteIndirectCalls`
processes an IR module and calls `IndirectCallPromoter` repeatedly on each
function.
I reworded the comments. PTAL.
https://github.com/llvm/llvm-project/pull/81442
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