From: Chris Lattner <sabre@nondot.org>
Date: Fri, 28 Aug 2009 04:48:54 +0000 (+0000)
Subject: finish a half formed thought :)
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=cc0a0299d96676e0a51e9b8f5bf617d8025f09a7;p=oota-llvm.git

finish a half formed thought :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80334 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/IPO/Inliner.cpp b/lib/Transforms/IPO/Inliner.cpp
index 1468155cda8..084f3f084f9 100644
--- a/lib/Transforms/IPO/Inliner.cpp
+++ b/lib/Transforms/IPO/Inliner.cpp
@@ -60,7 +60,10 @@ InlinedArrayAllocasTy;
 /// do so and update the CallGraph for this operation.
 ///
 /// This function also does some basic book-keeping to update the IR.  The
-/// InlinedArrayAllocas map keeps track of any 
+/// InlinedArrayAllocas map keeps track of any allocas that are already
+/// available from other  functions inlined into the caller.  If we are able to
+/// inline this call site we attempt to reuse already available allocas or add
+/// any new allocas to the set if not possible.
 static bool InlineCallIfPossible(CallSite CS, CallGraph &CG,
                                  const TargetData *TD,
                                  InlinedArrayAllocasTy &InlinedArrayAllocas) {