Do not mark EH tables no-dead-strip unless the

associated function is so marked.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46088 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/MachineModuleInfo.h

@@ -35,6 +35,7 @@
 #include "llvm/Support/DataTypes.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/UniqueVector.h"
+#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/GlobalValue.h"
 #include "llvm/Pass.h"
 
@@ -1037,6 +1038,10 @@ private:
   // common EH frames.
   std::vector<Function *> Personalities;
 
+  // UsedFunctions - the functions in the llvm.used list in a more easily
+  // searchable format.
+  SmallPtrSet<const Function *, 32> UsedFunctions;
+
   bool CallsEHReturn;
   bool CallsUnwindInit;
 public:
@@ -1235,6 +1240,11 @@ public:
     return Personalities;
   }
 
+  // UsedFunctions - Return set of the functions in the llvm.used list.
+  const SmallPtrSet<const Function *, 32>& getUsedFunctions() const {
+    return UsedFunctions;
+  }
+
   /// addCatchTypeInfo - Provide the catch typeinfo for a landing pad.
   ///
   void addCatchTypeInfo(MachineBasicBlock *LandingPad,