From bf77ed68265cbf04981ffd1c1b7c6ee1a22945ba Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Thu, 6 Nov 2014 02:42:03 +0000
Subject: Allow L symbols in no_dead_strip sections.

If a section cannot be dead stripped, it is safe to use L symbols, since
the linker will keep all of it in the end.

llvm-svn: 221431
---
 llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp')

diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index c7570ba76e1..6944f71105b 100644
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -588,6 +588,10 @@ bool TargetLoweringObjectFileMachO::isSectionAtomizableBySymbols(
         SMO.getSectionName() == "__cfstring")
       return false;
 
+    // no_dead_strip sections are not atomized in practice.
+    if (SMO.hasAttribute(MachO::S_ATTR_NO_DEAD_STRIP))
+      return false;
+
     switch (SMO.getType()) {
     default:
       return true;
-- 
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