================
@@ -540,6 +540,22 @@ void ProfileGenerator::generateLineNumBasedProfile() {
// Fill in boundary sample counts as well as call site samples for calls
populateBoundarySamplesForAllFunctions(SC.BranchCounter);
+ // For each instruction with vtable accesses, get its symbolized inline
+ // stack, and add the vtable counters to the function samples.
+ for (const auto &[IpData, Count] : SC.DataAccessCounter) {
+ uint64_t InstAddr = IpData.first;
+ const SampleContextFrameVector &FrameVec =
+ Binary->getCachedFrameLocationStack(InstAddr, false);
+ if (!FrameVec.empty()) {
+ FunctionSamples &FunctionProfile =
+ getLeafProfileAndAddTotalSamples(FrameVec, 0);
+ LineLocation Loc(
+ FrameVec.back().Location.LineOffset,
+ getBaseDiscriminator(FrameVec.back().Location.Discriminator));
+ FunctionProfile.getTypeSamplesAt(Loc)[FunctionId(IpData.second)] +=
Count;
----------------
mingmingl-llvm wrote:
done with a slight modification, by adding a helper function
`FunctionSamples::addTypeSamplesAt` and calling that function.
https://github.com/llvm/llvm-project/pull/148013
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