Out << ", ";
FirstInput = false;
- TypePrinter.print(Input->getType(), Out);
- Out << " ";
- WriteAsOperandInternal(Out, Input, WriterCtx);
+ if (Input == nullptr)
+ Out << "<null operand bundle!>";
+ else {
+ TypePrinter.print(Input->getType(), Out);
+ Out << " ";
+ WriteAsOperandInternal(Out, Input, WriterCtx);
+ }
}
Out << ')';
std::size_t r = OS.str().find("<cannot get addrspace!>");
EXPECT_TRUE(r != std::string::npos);
}
+
+TEST(AsmWriterTest, PrintNullOperandBundle) {
+ LLVMContext C;
+ Type *Int32Ty = Type::getInt32Ty(C);
+ FunctionType *FnTy = FunctionType::get(Int32Ty, Int32Ty, /*isVarArg=*/false);
+ Value *Callee = Constant::getNullValue(FnTy->getPointerTo());
+ Value *Args[] = {ConstantInt::get(Int32Ty, 42)};
+ std::unique_ptr<BasicBlock> NormalDest(BasicBlock::Create(C));
+ std::unique_ptr<BasicBlock> UnwindDest(BasicBlock::Create(C));
+ OperandBundleDef Bundle("bundle", UndefValue::get(Int32Ty));
+ std::unique_ptr<InvokeInst> Invoke(
+ InvokeInst::Create(FnTy, Callee, NormalDest.get(), UnwindDest.get(), Args,
+ Bundle, "result"));
+ // Makes the operand bundle null.
+ Invoke->dropAllReferences();
+ Invoke->setNormalDest(NormalDest.get());
+ Invoke->setUnwindDest(UnwindDest.get());
+
+ std::string S;
+ raw_string_ostream OS(S);
+ Invoke->print(OS);
+ EXPECT_TRUE(OS.str().find("<null operand bundle!>") != std::string::npos);
+}
}