refactor the interface to InlineFunction so that most of the in/out
arguments are handled with a new InlineFunctionInfo class.  This 
makes it easier to extend InlineFunction to return more info in the
future.

llvm-svn: 102137
diff --git a/llvm/lib/Transforms/Utils/BasicInliner.cpp b/llvm/lib/Transforms/Utils/BasicInliner.cpp
index c580b8f..f0e31ef 100644
--- a/llvm/lib/Transforms/Utils/BasicInliner.cpp
+++ b/llvm/lib/Transforms/Utils/BasicInliner.cpp
@@ -129,7 +129,8 @@
         }
         
         // Inline
-        if (InlineFunction(CS, NULL, TD)) {
+        InlineFunctionInfo IFI(0, TD);
+        if (InlineFunction(CS, IFI)) {
           if (Callee->use_empty() && (Callee->hasLocalLinkage() ||
                                       Callee->hasAvailableExternallyLinkage()))
             DeadFunctions.insert(Callee);