From c6cf43d25853efb4a6765954eda52a45998a47f2 Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Mon, 28 Mar 2011 22:49:15 +0000
Subject: MC: Add support for disabling "temporary label" behavior. Useful for
 debugging on Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128430 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/llvm-mc/llvm-mc.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'tools/llvm-mc/llvm-mc.cpp')

diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index b7818665ab..f76b6edb80 100644
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -113,6 +113,10 @@ static cl::opt<bool>
 NoInitialTextSection("n", cl::desc(
                    "Don't assume assembly file starts in the text section"));
 
+static cl::opt<bool>
+SaveTempLabels("L", cl::desc(
+                 "Don't discard temporary labels"));
+
 enum ActionType {
   AC_AsLex,
   AC_Assemble,
@@ -327,6 +331,8 @@ static int AssembleInput(const char *ProgName) {
 
   const TargetAsmInfo *tai = new TargetAsmInfo(*TM);
   MCContext Ctx(*MAI, tai);
+  if (SaveTempLabels)
+    Ctx.setAllowTemporaryLabels(false);
 
   OwningPtr<tool_output_file> Out(GetOutputStream());
   if (!Out)
-- 
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