diff --git a/llvm/lib/CodeGen/MIRPrinter.cpp b/llvm/lib/CodeGen/MIRPrinter.cpp
--- a/llvm/lib/CodeGen/MIRPrinter.cpp
+++ b/llvm/lib/CodeGen/MIRPrinter.cpp
@@ -415,7 +415,7 @@
     YamlObject.ID = ID;
     if (const auto *Alloca = MFI.getObjectAllocation(I))
       YamlObject.Name.Value = std::string(
-          Alloca->hasName() ? Alloca->getName() : "<unnamed alloca>");
+          Alloca->hasName() ? Alloca->getName() : "");
     YamlObject.Type = MFI.isSpillSlotObjectIndex(I)
                           ? yaml::MachineStackObject::SpillSlot
                           : MFI.isVariableSizedObjectIndex(I)
diff --git a/llvm/test/CodeGen/MIR/Generic/unnamed-stack.ll b/llvm/test/CodeGen/MIR/Generic/unnamed-stack.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/MIR/Generic/unnamed-stack.ll
@@ -0,0 +1,19 @@
+; RUN: llc -O0 -march aarch64 -global-isel -stop-after=irtranslator -o %t.mir %s && llc -march aarch64 -run-pass=none -o - %t.mir | FileCheck %s
+
+define i16 @unnamed_stack() {
+entry:
+  ; CHECK-NAME: unnamed_stack
+  ; CHECK:      %0:_(p0) = G_FRAME_INDEX %stack.0
+  %0 = alloca i16
+  %1 = load i16, i16* %0
+  ret i16 %1
+}
+
+define i16 @named_stack() {
+entry:
+  ; CHECK-NAME: named_stack
+  ; CHECK:      %0:_(p0) = G_FRAME_INDEX %stack.0.ptr
+  %ptr = alloca i16
+  %0 = load i16, i16* %ptr
+  ret i16 %0
+}