1 files changed, 5 insertions, 2 deletions
diff --git a/include/llvm/Analysis/ScalarEvolution.h b/include/llvm/Analysis/ScalarEvolution.h
index e16e990bad..0786b51f53 100644
--- a/include/llvm/Analysis/ScalarEvolution.h
+++ b/include/llvm/Analysis/ScalarEvolution.h
@@ -29,9 +29,7 @@
 namespace llvm {
   class APInt;
   class ConstantInt;
-  class Instruction;
   class Type;
-  class ConstantRange;
   class SCEVHandle;
   class ScalarEvolution;
 
@@ -282,6 +280,11 @@ namespace llvm {
     /// object is returned.
     SCEVHandle getSCEVAtScope(Value *V, const Loop *L) const;
 
+    /// isLoopGuardedByCond - Test whether entry to the loop is protected by
+    /// a conditional between LHS and RHS.
+    bool isLoopGuardedByCond(const Loop *L, ICmpInst::Predicate Pred,
+                             SCEV *LHS, SCEV *RHS);
+
     /// getIterationCount - If the specified loop has a predictable iteration
     /// count, return it, otherwise return a SCEVCouldNotCompute object.
     SCEVHandle getIterationCount(const Loop *L) const;