Add a function to Passes.h to allow clients to create instances

of the ScalarEvolution pass without needing to #include ScalarEvolution.h.

llvm-svn: 85716

include/llvm/Analysis/Passes.h

@@ -147,6 +147,13 @@ namespace llvm {
   //
   LoopPass *createLoopDependenceAnalysisPass();
   
+  //===--------------------------------------------------------------------===//
+  //
+  // createScalarEvolutionPass - This creates an instance of the
+  // ScalarEvolution pass.
+  //
+  FunctionPass *createScalarEvolutionPass();
+  
   // Minor pass prototypes, allowing us to expose them through bugpoint and
   // analyze.
   FunctionPass *createInstCountPass();

lib/Analysis/ScalarEvolution.cpp

@@ -5151,6 +5151,8 @@ ScalarEvolution::SCEVCallbackVH::SCEVCallbackVH(Value *V, ScalarEvolution *se)
 //                   ScalarEvolution Class Implementation
 //===----------------------------------------------------------------------===//
 
+FunctionPass *createScalarEvolutionPass() { return new ScalarEvolution(); }
+
 ScalarEvolution::ScalarEvolution()
   : FunctionPass(&ID) {
 }