[Statepoints] Check for the "gc-leaf-function" attribute on call sites as well.

Reviewers: sanjoy, reames

Subscribers: sanjoy, llvm-commits

Differential Revision: http://reviews.llvm.org/D15900

llvm-svn: 256875
diff --git a/llvm/lib/Transforms/Utils/Local.cpp b/llvm/lib/Transforms/Utils/Local.cpp
index 3f46c5e..0e386ac 100644
--- a/llvm/lib/Transforms/Utils/Local.cpp
+++ b/llvm/lib/Transforms/Utils/Local.cpp
@@ -1553,8 +1553,8 @@
     return true;
 
   // Check if the function is specifically marked as a gc leaf function.
-  //
-  // TODO: we should be checking the attributes on the call site as well.
+  if (CS.hasFnAttr("gc-leaf-function"))
+    return true;
   if (const Function *F = CS.getCalledFunction())
     return F->hasFnAttribute("gc-leaf-function");