Use a BumpPtrAllocator for Loop objects

Summary:
And now that we no longer have to explicitly free() the Loop instances, we can
(with more ease) use the destructor of LoopBase to do what LoopBase::clear() was
doing.

Reviewers: chandlerc

Subscribers: mehdi_amini, mcrosier, llvm-commits

Differential Revision: https://reviews.llvm.org/D38201

llvm-svn: 314375
diff --git a/llvm/lib/Transforms/IPO/Inliner.cpp b/llvm/lib/Transforms/IPO/Inliner.cpp
index 4233ba9..680a450 100644
--- a/llvm/lib/Transforms/IPO/Inliner.cpp
+++ b/llvm/lib/Transforms/IPO/Inliner.cpp
@@ -1044,8 +1044,8 @@
     FunctionAnalysisManager &FAM =
         AM.getResult<FunctionAnalysisManagerCGSCCProxy>(DeadC, CG)
             .getManager();
-    FAM.clear(*DeadF);
-    AM.clear(DeadC);
+    FAM.clear(*DeadF, DeadF->getName());
+    AM.clear(DeadC, DeadC.getName());
     auto &DeadRC = DeadC.getOuterRefSCC();
     CG.removeDeadFunction(*DeadF);