diff --git a/lldb/source/Commands/CommandObjectDWIMPrint.cpp b/lldb/source/Commands/CommandObjectDWIMPrint.cpp
--- a/lldb/source/Commands/CommandObjectDWIMPrint.cpp
+++ b/lldb/source/Commands/CommandObjectDWIMPrint.cpp
@@ -64,11 +64,16 @@
 
   DumpValueObjectOptions dump_options = m_varobj_options.GetAsDumpOptions(
       m_expr_options.m_verbosity, m_format_options.GetFormat());
+  if (m_expr_options.suppress_persistent_result)
+    dump_options.SetHideName(true);
 
   // First, try `expr` as the name of a frame variable.
   if (StackFrame *frame = m_exe_ctx.GetFramePtr()) {
     auto valobj_sp = frame->FindVariable(ConstString(expr));
     if (valobj_sp && valobj_sp->GetError().Success()) {
+      if (!m_expr_options.suppress_persistent_result)
+        valobj_sp = valobj_sp->Persist();
+
       if (verbosity == eDWIMPrintVerbosityFull) {
         StringRef flags;
         if (args.HasArgs())
@@ -76,6 +81,7 @@
         result.AppendMessageWithFormatv("note: ran `frame variable {0}{1}`",
                                         flags, expr);
       }
+
       valobj_sp->Dump(result.GetOutputStream(), dump_options);
       result.SetStatus(eReturnStatusSuccessFinishResult);
       return true;
@@ -103,6 +109,7 @@
         result.AppendMessageWithFormatv("note: ran `expression {0}{1}`", flags,
                                         expr);
       }
+
       valobj_sp->Dump(result.GetOutputStream(), dump_options);
       result.SetStatus(eReturnStatusSuccessFinishResult);
       return true;
diff --git a/lldb/source/Commands/CommandObjectExpression.h b/lldb/source/Commands/CommandObjectExpression.h
--- a/lldb/source/Commands/CommandObjectExpression.h
+++ b/lldb/source/Commands/CommandObjectExpression.h
@@ -53,6 +53,7 @@
     lldb::LanguageType language;
     LanguageRuntimeDescriptionDisplayVerbosity m_verbosity;
     LazyBool auto_apply_fixits;
+    bool suppress_persistent_result;
   };
 
   CommandObjectExpression(CommandInterpreter &interpreter);
diff --git a/lldb/source/Commands/CommandObjectExpression.cpp b/lldb/source/Commands/CommandObjectExpression.cpp
--- a/lldb/source/Commands/CommandObjectExpression.cpp
+++ b/lldb/source/Commands/CommandObjectExpression.cpp
@@ -146,6 +146,21 @@
     break;
   }
 
+  case 'C': {
+    // 'C' for "caching", since both 'P' and 'p' for persist are taken. Both 'R'
+    // flags are taken too.
+    bool success;
+    bool persist_result =
+        OptionArgParser::ToBoolean(option_arg, true, &success);
+    if (success)
+      suppress_persistent_result = !persist_result;
+    else
+      error.SetErrorStringWithFormat(
+          "could not convert \"%s\" to a boolean value.",
+          option_arg.str().c_str());
+    break;
+  }
+
   default:
     llvm_unreachable("Unimplemented option");
   }
@@ -174,6 +189,7 @@
   auto_apply_fixits = eLazyBoolCalculate;
   top_level = false;
   allow_jit = true;
+  suppress_persistent_result = false;
 }
 
 llvm::ArrayRef<OptionDefinition>
@@ -186,7 +202,9 @@
     const Target &target, bool use_objc, lldb::DynamicValueType use_dynamic) {
   EvaluateExpressionOptions options;
   options.SetCoerceToId(use_objc);
-  if (m_verbosity == eLanguageRuntimeDescriptionDisplayVerbosityCompact)
+  if (suppress_persistent_result)
+    options.SetSuppressPersistentResult(true);
+  else if (m_verbosity == eLanguageRuntimeDescriptionDisplayVerbosityCompact)
     options.SetSuppressPersistentResult(use_objc);
   options.SetUnwindOnError(unwind_on_error);
   options.SetIgnoreBreakpoints(ignore_breakpoints);
@@ -438,6 +456,8 @@
 
         DumpValueObjectOptions options(m_varobj_options.GetAsDumpOptions(
             m_command_options.m_verbosity, format));
+        if (m_command_options.suppress_persistent_result)
+          options.SetHideName(true);
         options.SetVariableFormatDisplayLanguage(
             result_valobj_sp->GetPreferredDisplayLanguage());
 
diff --git a/lldb/source/Commands/Options.td b/lldb/source/Commands/Options.td
--- a/lldb/source/Commands/Options.td
+++ b/lldb/source/Commands/Options.td
@@ -386,6 +386,11 @@
     Arg<"Boolean">,
     Desc<"Controls whether the expression can fall back to being JITted if it's "
     "not supported by the interpreter (defaults to true).">;
+  def persistent_result : Option<"persistent-result", "C">, Groups<[1,2]>,
+    Arg<"Boolean">,
+    Desc<"Persist expression result in a variable for subsequent use. "
+    "Expression results will be labeled with $-prefixed variables, e.g. $0, "
+    "$1, etc. Defaults to true.">;
 }
 
 let Command = "frame diag" in {
diff --git a/lldb/source/DataFormatters/ValueObjectPrinter.cpp b/lldb/source/DataFormatters/ValueObjectPrinter.cpp
--- a/lldb/source/DataFormatters/ValueObjectPrinter.cpp
+++ b/lldb/source/DataFormatters/ValueObjectPrinter.cpp
@@ -425,7 +425,9 @@
         if (m_options.m_hide_pointer_value &&
             IsPointerValue(m_valobj->GetCompilerType())) {
         } else {
-          m_stream->Printf(" %s", m_value.c_str());
+          if (!m_options.m_hide_name)
+            m_stream->Write(" ", 1);
+          m_stream->Write(m_value.c_str(), m_value.length());
           value_printed = true;
         }
       }