Move FunctionPass::doesNotModifyCFG to AnalysisUsage::preservesCFG()

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2384 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 12 deletions

diff --git a/include/llvm/Pass.h b/include/llvm/Pass.h
index 251620cf9a..dbe485284c 100644
--- a/include/llvm/Pass.h
+++ b/include/llvm/Pass.h
@@ -138,18 +138,6 @@ struct FunctionPass : public Pass {
   //
   bool run(Function *F);
 
-protected:
-  // doesNotModifyCFG - This function should be called by our subclasses to
-  // implement the getAnalysisUsage virtual function, iff they do not:
-  //
-  //  1. Add or remove basic blocks from the function
-  //  2. Modify terminator instructions in any way.
-  //
-  // This function annotates the AnalysisUsage info object to say that analyses
-  // that only depend on the CFG are preserved by this pass.
-  //
-  void doesNotModifyCFG(AnalysisUsage &Info);
-
 private:
   friend class PassManagerT<Module>;
   friend class PassManagerT<Function>;
@@ -277,6 +265,17 @@ public:
   void setPreservesAll() { PreservesAll = true; }
   bool preservesAll() const { return PreservesAll; }
 
+  // preservesCFG - This function should be called to by the pass, iff they do
+  // not:
+  //
+  //  1. Add or remove basic blocks from the function
+  //  2. Modify terminator instructions in any way.
+  //
+  // This function annotates the AnalysisUsage info object to say that analyses
+  // that only depend on the CFG are preserved by this pass.
+  //
+  void preservesCFG();
+
   const std::vector<AnalysisID> &getRequiredSet() const { return Required; }
   const std::vector<AnalysisID> &getPreservedSet() const { return Preserved; }
   const std::vector<AnalysisID> &getProvidedSet() const { return Provided; }