[unittests] Change operands of Add in AsmWriterTest from Undef to Poison

Replacing UndefValue with PoisonValue in this test where it's use as dummy value
in light of the efforts to remove undef from llvm.

Differential Revision: https://reviews.llvm.org/D133481

diff --git a/llvm/unittests/IR/AsmWriterTest.cpp b/llvm/unittests/IR/AsmWriterTest.cpp
index 4fa1889..c8b5379 100644 (file)
--- a/llvm/unittests/IR/AsmWriterTest.cpp
+++ b/llvm/unittests/IR/AsmWriterTest.cpp
@@ -24,14 +24,14 @@ TEST(AsmWriterTest, DebugPrintDetachedInstruction) {
   // has metadata attached but no parent.
   LLVMContext Ctx;
   auto Ty = Type::getInt32Ty(Ctx);
-  auto Undef = UndefValue::get(Ty);
-  std::unique_ptr<BinaryOperator> Add(BinaryOperator::CreateAdd(Undef, Undef));
+  auto Poison = PoisonValue::get(Ty);
+  std::unique_ptr<BinaryOperator> Add(BinaryOperator::CreateAdd(Poison, Poison));
   Add->setMetadata(
       "", MDNode::get(Ctx, {ConstantAsMetadata::get(ConstantInt::get(Ty, 1))}));
   std::string S;
   raw_string_ostream OS(S);
   Add->print(OS);
-  std::size_t r = OS.str().find("<badref> = add i32 undef, undef, !<empty");
+  std::size_t r = OS.str().find("<badref> = add i32 poison, poison, !<empty");
   EXPECT_TRUE(r != std::string::npos);
 }