Make LoadAndStorePromoter preserve debug info and create llvm.dbg.values when

promoting allocas to SSA variables. Fixes <rdar://problem/9479036>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131953 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/Utils/Local.h

@@ -178,6 +178,10 @@ bool ConvertDebugDeclareToDebugValue(DbgDeclareInst *DDI,
 /// of llvm.dbg.value intrinsics.
 bool LowerDbgDeclare(Function &F);
 
+/// FindAllocaDbgDeclare - Finds the llvm.dbg.declare intrinsic corresponding to
+/// an alloca, if any.
+DbgDeclareInst *FindAllocaDbgDeclare(Value *V);
+
 } // End llvm namespace
 
 #endif