79     IRBuilder<> Mutator(MContext);  in emit()  local
108           Mutator.SetInsertPoint(SpeculateDecisionBlock);  in emit()
111               Mutator.CreateLoad(LoadValueTy, SpeculatorGuard, "guard.value");  in emit()
114               Mutator.CreateICmpEQ(LoadGuard, ConstantInt::get(LoadValueTy, 0),  in emit()
116           Mutator.CreateCondBr(CanSpeculate, SpeculateBlock, &ProgramEntry);  in emit()
118           Mutator.SetInsertPoint(SpeculateBlock);  in emit()
120               Mutator.CreatePtrToInt(&Fn, Type::getInt64Ty(MContext));  in emit()
121           Mutator.CreateCall(RuntimeCallTy, RuntimeCall,  in emit()
123           Mutator.CreateStore(ConstantInt::get(LoadValueTy, 1),  in emit()
125           Mutator.CreateBr(&ProgramEntry);  in emit()
127           assert(Mutator.GetInsertBlock()->getParent() == &Fn &&  in emit()