1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index a1d6fa7eb9..fd577c7438 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -40,6 +40,7 @@ namespace llvm {
   bool VerboseAsm;
   bool DisableJumpTables;
   bool StrongPHIElim;
+  bool DisableRedZone;
 }
 
 static cl::opt<bool, true> PrintCode("print-machineinstrs",
@@ -164,6 +165,12 @@ EnableStrongPHIElim(cl::Hidden, "strong-phi-elim",
            cl::location(StrongPHIElim),
            cl::init(false));
 
+static cl::opt<bool, true>
+DisableRedZoneOption("disable-red-zone",
+           cl::desc("Do not emit code that uses the red zone."),
+           cl::location(DisableRedZone),
+           cl::init(true));
+
 //---------------------------------------------------------------------------
 // TargetMachine Class
 //