From ddc0f8779e8aaf4ec6b4a2eef2b2892ea05c454d Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Tue, 30 Aug 2011 19:29:02 +0000
Subject: Command line option to enable support for segmented stacks:
 -segmented-stacks. Patch by Sanjoy Das!

llvm-svn: 138811
---
 llvm/lib/Target/TargetMachine.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'llvm/lib/Target/TargetMachine.cpp')

diff --git a/llvm/lib/Target/TargetMachine.cpp b/llvm/lib/Target/TargetMachine.cpp
index f74c8c3ecb6..fe8a7cebd0a 100644
--- a/llvm/lib/Target/TargetMachine.cpp
+++ b/llvm/lib/Target/TargetMachine.cpp
@@ -47,6 +47,7 @@ namespace llvm {
   bool StrongPHIElim;
   bool HasDivModLibcall;
   bool AsmVerbosityDefault(false);
+  bool EnableSegmentedStacks;
 }
 
 static cl::opt<bool, true>
@@ -178,6 +179,12 @@ static cl::opt<bool>
 FunctionSections("ffunction-sections",
   cl::desc("Emit functions into separate sections"),
   cl::init(false));
+static cl::opt<bool, true>
+SegmentedStacks("segmented-stacks",
+  cl::desc("Use segmented stacks if possible."),
+  cl::location(EnableSegmentedStacks),
+  cl::init(false));
+                         
 //---------------------------------------------------------------------------
 // TargetMachine Class
 //
-- 
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