[llvm-commits] [llvm] r101846 - /llvm/trunk/lib/Transforms/IPO/Inliner.cpp

[Chris Lattner]

Author: lattner
Date: Mon Apr 19 19:47:08 2010
New Revision: 101846

URL: http://llvm.org/viewvc/llvm-project?rev=101846&view=rev
Log:
make the inliner do less work for leaf functions.

Modified:
    llvm/trunk/lib/Transforms/IPO/Inliner.cpp

Modified: llvm/trunk/lib/Transforms/IPO/Inliner.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/Inliner.cpp?rev=101846&r1=101845&r2=101846&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/Inliner.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/Inliner.cpp Mon Apr 19 19:47:08 2010
@@ -333,6 +333,10 @@
 
   DEBUG(dbgs() << ": " << CallSites.size() << " call sites.\n");
 
+  // If there are no calls in this function, exit early.
+  if (CallSites.empty())
+    return false;
+  
   // Now that we have all of the call sites, move the ones to functions in the
   // current SCC to the end of the list.
   unsigned FirstCallInSCC = CallSites.size();