commit c1a6bc5002d68c819f4ed7894a4a1ca83964c0b1
author Duncan Sands <baldrick@free.fr> Fri Sep 05 09:08:37 2008 +0000
committer Duncan Sands <baldrick@free.fr> Fri Sep 05 09:08:37 2008 +0000
tree 285a8561495a3d79b8d92b433cdfd469225c1db7
parent e0a0f55447c818391fd4820b25ef5de47ed7252e

Make this pass return that it made a change if
it modifies a functions attributes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55831 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/IPO/PruneEH.cpp

diff --git a/lib/Transforms/IPO/PruneEH.cpp b/lib/Transforms/IPO/PruneEH.cpp
index 5e50e20..8fb904b 100644
--- a/lib/Transforms/IPO/PruneEH.cpp
+++ b/lib/Transforms/IPO/PruneEH.cpp
@@ -133,7 +133,11 @@
         NewAttributes |= ParamAttr::NoReturn;
 
       const PAListPtr &PAL = SCC[i]->getFunction()->getParamAttrs();
-      SCC[i]->getFunction()->setParamAttrs(PAL.addAttr(0, NewAttributes));
+      const PAListPtr &NPAL = PAL.addAttr(0, NewAttributes);
+      if (PAL != NPAL) {
+        MadeChange = true;
+        SCC[i]->getFunction()->setParamAttrs(NPAL);
+      }
     }
 
   for (unsigned i = 0, e = SCC.size(); i != e; ++i) {