Index: lib/IR/Instructions.cpp
===================================================================
--- lib/IR/Instructions.cpp
+++ lib/IR/Instructions.cpp
@@ -309,6 +309,7 @@
   NewCI->setCallingConv(CI->getCallingConv());
   NewCI->SubclassOptionalData = CI->SubclassOptionalData;
   NewCI->setAttributes(CI->getAttributes());
+  NewCI->setDebugLoc(CI->getDebugLoc());
   return NewCI;
 }
 
@@ -596,6 +597,7 @@
   NewII->setCallingConv(II->getCallingConv());
   NewII->SubclassOptionalData = II->SubclassOptionalData;
   NewII->setAttributes(II->getAttributes());
+  NewII->setDebugLoc(II->getDebugLoc());
   return NewII;
 }
 
Index: lib/Transforms/Utils/InlineFunction.cpp
===================================================================
--- lib/Transforms/Utils/InlineFunction.cpp
+++ lib/Transforms/Utils/InlineFunction.cpp
@@ -1449,7 +1449,6 @@
           NewInst = CallInst::Create(cast<CallInst>(I), OpBundles, I);
         else
           NewInst = InvokeInst::Create(cast<InvokeInst>(I), OpBundles, I);
-        NewInst->setDebugLoc(I->getDebugLoc());
         NewInst->takeName(I);
         I->replaceAllUsesWith(NewInst);
         I->eraseFromParent();
Index: unittests/IR/InstructionsTest.cpp
===================================================================
--- unittests/IR/InstructionsTest.cpp
+++ unittests/IR/InstructionsTest.cpp
@@ -518,7 +518,66 @@
   }
 }
 
-}  // end anonymous namespace
-}  // end namespace llvm
+TEST(InstructionsTest, AlterCallBundles) {
+  LLVMContext &C(getGlobalContext());
+  Type *Int32Ty = Type::getInt32Ty(C);
+  Type *FnTy = FunctionType::get(Int32Ty, Int32Ty, /*isVarArg=*/false);
+  Value *Callee = Constant::getNullValue(FnTy->getPointerTo());
+  Value *Args[] = {ConstantInt::get(Int32Ty, 42)};
+  OperandBundleDef OldBundle("before", UndefValue::get(Int32Ty));
+  std::unique_ptr<CallInst> Call(
+      CallInst::Create(Callee, Args, OldBundle, "result"));
+  Call->setTailCallKind(CallInst::TailCallKind::TCK_NoTail);
+  AttrBuilder AB;
+  AB.addAttribute(Attribute::Cold);
+  Call->setAttributes(AttributeSet::get(C, AttributeSet::FunctionIndex, AB));
+  Call->setDebugLoc(DebugLoc(MDNode::get(C, None)));
+
+  OperandBundleDef NewBundle("after", ConstantInt::get(Int32Ty, 7));
+  std::unique_ptr<CallInst> Clone(CallInst::Create(Call.get(), NewBundle));
+  EXPECT_EQ(Call->getNumArgOperands(), Clone->getNumArgOperands());
+  EXPECT_EQ(Call->getArgOperand(0), Clone->getArgOperand(0));
+  EXPECT_EQ(Call->getCallingConv(), Clone->getCallingConv());
+  EXPECT_EQ(Call->getTailCallKind(), Clone->getTailCallKind());
+  EXPECT_TRUE(Clone->hasFnAttr(Attribute::AttrKind::Cold));
+  EXPECT_EQ(Call->getDebugLoc(), Clone->getDebugLoc());
+  EXPECT_EQ(Clone->getNumOperandBundles(), 1);
+  EXPECT_TRUE(Clone->getOperandBundle("after").hasValue());
+}
 
+TEST(InstructionsTest, AlterInvokeBundles) {
+  LLVMContext &C(getGlobalContext());
+  Type *Int32Ty = Type::getInt32Ty(C);
+  Type *FnTy = FunctionType::get(Int32Ty, Int32Ty, /*isVarArg=*/false);
+  Value *Callee = Constant::getNullValue(FnTy->getPointerTo());
+  Value *Args[] = {ConstantInt::get(Int32Ty, 42)};
+  BasicBlock *NormalDest = BasicBlock::Create(C);
+  BasicBlock *UnwindDest = BasicBlock::Create(C);
+  OperandBundleDef OldBundle("before", UndefValue::get(Int32Ty));
+  InvokeInst *Invoke(InvokeInst::Create(Callee, NormalDest, UnwindDest, Args,
+                                        OldBundle, "result"));
+  AttrBuilder AB;
+  AB.addAttribute(Attribute::Cold);
+  Invoke->setAttributes(AttributeSet::get(C, AttributeSet::FunctionIndex, AB));
+  Invoke->setDebugLoc(DebugLoc(MDNode::get(C, None)));
+
+  OperandBundleDef NewBundle("after", ConstantInt::get(Int32Ty, 7));
+  InvokeInst *Clone(InvokeInst::Create(Invoke, NewBundle));
+  EXPECT_EQ(Invoke->getNormalDest(), Clone->getNormalDest());
+  EXPECT_EQ(Invoke->getUnwindDest(), Clone->getUnwindDest());
+  EXPECT_EQ(Invoke->getNumArgOperands(), Clone->getNumArgOperands());
+  EXPECT_EQ(Invoke->getArgOperand(0), Clone->getArgOperand(0));
+  EXPECT_EQ(Invoke->getCallingConv(), Clone->getCallingConv());
+  EXPECT_TRUE(Clone->hasFnAttr(Attribute::AttrKind::Cold));
+  EXPECT_EQ(Invoke->getDebugLoc(), Clone->getDebugLoc());
+  EXPECT_EQ(Clone->getNumOperandBundles(), 1);
+  EXPECT_TRUE(Clone->getOperandBundle("after").hasValue());
+
+  delete Invoke;
+  delete Clone;
+  delete NormalDest;
+  delete UnwindDest;
+}
 
+} // end anonymous namespace
+} // end namespace llvm