From 35907e98626b33f6406dc498201fc59ced282c8a Mon Sep 17 00:00:00 2001
From: Chad Rosier <mcrosier@apple.com>
Date: Tue, 21 Aug 2012 16:15:24 +0000
Subject: Add support for the --param ssp-buffer-size= driver option. PR9673

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162284 91177308-0d34-0410-b5e6-96231b3b80d8
---
 tools/llc/llc.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'tools/llc')

diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp
index 8951050c07..81f297f594 100644
--- a/tools/llc/llc.cpp
+++ b/tools/llc/llc.cpp
@@ -268,6 +268,11 @@ static cl::opt<std::string> StartAfter("start-after",
   cl::value_desc("pass-name"),
   cl::init(""));
 
+static cl::opt<unsigned>
+SSPBufferSize("stack-protector-buffer-size", cl::init(8),
+              cl::desc("Lower bound for a buffer to be considered for "
+                       "stack protection"));
+
 // GetFileNameRoot - Helper function to get the basename of a filename.
 static inline std::string
 GetFileNameRoot(const std::string &InputFilename) {
@@ -459,6 +464,7 @@ int main(int argc, char **argv) {
   Options.PositionIndependentExecutable = EnablePIE;
   Options.EnableSegmentedStacks = SegmentedStacks;
   Options.UseInitArray = UseInitArray;
+  Options.SSPBufferSize = SSPBufferSize;
 
   std::auto_ptr<TargetMachine>
     target(TheTarget->createTargetMachine(TheTriple.getTriple(),
-- 
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