Refactor into a separate utility function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127832 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Transforms/Utils/Local.h

@@ -21,12 +21,15 @@ class User;
 class BasicBlock;
 class BranchInst;
 class Instruction;
+class DbgDeclareInst;
+class StoreInst;
 class Value;
 class Pass;
 class PHINode;
 class AllocaInst;
 class ConstantExpr;
 class TargetData;
+class DIBuilder;
 
 template<typename T> class SmallVectorImpl;
   
@@ -157,6 +160,15 @@ static inline unsigned getKnownAlignment(Value *V, const TargetData *TD = 0) {
   return getOrEnforceKnownAlignment(V, 0, TD);
 }
 
+///===---------------------------------------------------------------------===//
+///  Dbg Intrinsic utilities
+///
+
+/// Inserts a llvm.dbg.value instrinsic before the stores to an alloca'd value
+/// that has an associated llvm.dbg.decl intrinsic.
+bool ConvertDebugDeclareToDebugValue(DbgDeclareInst *DDI,
+                                     StoreInst *SI, DIBuilder &Builder);
+
 } // End llvm namespace
 
 #endif