Add a flag that indicates whether a target supports compact unwind info or not.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133662 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 2 deletions

diff --git a/include/llvm/Target/TargetLoweringObjectFile.h b/include/llvm/Target/TargetLoweringObjectFile.h
index 12ea2a5756..a3d1f372b4 100644
--- a/include/llvm/Target/TargetLoweringObjectFile.h
+++ b/include/llvm/Target/TargetLoweringObjectFile.h
@@ -107,8 +107,12 @@ protected:
   /// private linkage, aka an L or .L label) or false if it should be a normal
   /// non-.globl label.  This defaults to true.
   bool IsFunctionEHFrameSymbolPrivate;
+
+  /// SupportsCompactUnwindInfo - This flag is set to true if the CIE and FDE
+  /// information should be emitted in a compact form.
+  bool SupportsCompactUnwindInfo;
+
 public:
-  
   MCContext &getContext() const { return *Ctx; }
   
   virtual ~TargetLoweringObjectFile();
@@ -126,10 +130,12 @@ public:
   bool getSupportsWeakOmittedEHFrame() const {
     return SupportsWeakOmittedEHFrame;
   }
-  
   bool getCommDirectiveSupportsAlignment() const {
     return CommDirectiveSupportsAlignment;
   }
+  bool getSupportsCompactUnwindInfo() const {
+    return SupportsCompactUnwindInfo;
+  }
 
   const MCSection *getTextSection() const { return TextSection; }
   const MCSection *getDataSection() const { return DataSection; }