diff options
| -rw-r--r-- | lib/VMCore/AutoUpgrade.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp index 1a8f6b99dd..7b0b34ed89 100644 --- a/lib/VMCore/AutoUpgrade.cpp +++ b/lib/VMCore/AutoUpgrade.cpp @@ -389,7 +389,7 @@ void llvm::UpgradeExceptionHandling(Module *M) { // This map stores the slots where the exception object and selector value are // stored within a function. - SmallVector<Instruction*, 32> DeadInsts; + SmallPtrSet<Instruction*, 32> DeadInsts; DenseMap<Function*, std::pair<Value*, Value*> > FnToLPadSlotMap; for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I) { @@ -439,14 +439,15 @@ void llvm::UpgradeExceptionHandling(Module *M) { Exn->replaceAllUsesWith(LPExn); Sel->replaceAllUsesWith(LPSel); - DeadInsts.push_back(Exn); - DeadInsts.push_back(Sel); + DeadInsts.insert(Exn); + DeadInsts.insert(Sel); } } // Remove the dead instructions. - while (!DeadInsts.empty()) { - Instruction *Inst = DeadInsts.pop_back_val(); + for (SmallPtrSet<Instruction*, 32>::iterator + I = DeadInsts.begin(), E = DeadInsts.end(); I != E; ++I) { + Instruction *Inst = *I; Inst->eraseFromParent(); } |