bool DwarfEHPrepare::InsertUnwindResumeCalls(Function &Fn) {
SmallVector<ResumeInst*, 16> Resumes;
SmallVector<LandingPadInst*, 16> CleanupLPads;
- bool FoundLP = false;
for (BasicBlock &BB : Fn) {
if (auto *RI = dyn_cast<ResumeInst>(BB.getTerminator()))
Resumes.push_back(RI);
- if (auto *LP = BB.getLandingPadInst()) {
+ if (auto *LP = BB.getLandingPadInst())
if (LP->isCleanup())
CleanupLPads.push_back(LP);
- // Check the personality on the first landingpad. Don't do anything if
- // it's for MSVC.
- if (!FoundLP) {
- FoundLP = true;
- EHPersonality Pers = classifyEHPersonality(LP->getPersonalityFn());
- if (isMSVCEHPersonality(Pers))
- return false;
- }
- }
}
if (Resumes.empty())
return false;
+ // Check the personality, don't do anything if it's for MSVC.
+ EHPersonality Pers = classifyEHPersonality(Fn.getPersonalityFn());
+ if (isMSVCEHPersonality(Pers))
+ return false;
+
LLVMContext &Ctx = Fn.getContext();
size_t ResumesLeft = pruneUnreachableResumes(Fn, Resumes, CleanupLPads);