================
@@ -19,20 +19,38 @@ namespace llvm {
// Visitor class that finds all indirect call.
struct PGOIndirectCallVisitor : public InstVisitor<PGOIndirectCallVisitor> {
std::vector<CallBase *> IndirectCalls;
+ std::vector<Instruction *> VTableAddrs;
PGOIndirectCallVisitor() = default;
void visitCallBase(CallBase &Call) {
if (Call.isIndirectCall())
- IndirectCalls.push_back(&Call);
+ if (Call.isIndirectCall()) {
+ IndirectCalls.push_back(&Call);
+
+ LoadInst *LI = dyn_cast<LoadInst>(Call.getCalledOperand());
----------------
modiking wrote:
Taking a dependency on `-fwhole-program-vtables` for this does mean
instrumentation fails when the flag is not enabled. Might make sense to detect
this scenario and warn/message to the user that this is happening.
https://github.com/llvm/llvm-project/pull/66825
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