Add InlineCost class for represent the estimated cost of inlining a
function.
 - This explicitly models the costs for functions which should
   "always" or "never" be inlined. This fixes bugs where such costs
   were not previously respected.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58450 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/InlineAlways.cpp b/lib/Transforms/IPO/InlineAlways.cpp
index 2799d6b..d809b5a 100644
--- a/lib/Transforms/IPO/InlineAlways.cpp
+++ b/lib/Transforms/IPO/InlineAlways.cpp
@@ -39,7 +39,7 @@
     // Use extremely low threshold. 
     AlwaysInliner() : Inliner(&ID, -2000000000) {}
     static char ID; // Pass identification, replacement for typeid
-    int getInlineCost(CallSite CS) {
+    InlineCost getInlineCost(CallSite CS) {
       return CA.getInlineCost(CS, NeverInline);
     }
     float getInlineFudgeFactor(CallSite CS) {