1 files changed, 6 insertions, 4 deletions
diff --git a/lib/Transforms/Utils/FunctionComparator.cpp b/lib/Transforms/Utils/FunctionComparator.cpp
index 73a0b2737e957..57468be9a2a8c 100644
--- a/lib/Transforms/Utils/FunctionComparator.cpp
+++ b/lib/Transforms/Utils/FunctionComparator.cpp
@@ -76,12 +76,14 @@ int FunctionComparator::cmpMem(StringRef L, StringRef R) const {
 
 int FunctionComparator::cmpAttrs(const AttributeList L,
                                  const AttributeList R) const {
-  if (int Res = cmpNumbers(L.getNumSlots(), R.getNumSlots()))
+  if (int Res = cmpNumbers(L.getNumAttrSets(), R.getNumAttrSets()))
     return Res;
 
-  for (unsigned i = 0, e = L.getNumSlots(); i != e; ++i) {
-    AttributeList::iterator LI = L.begin(i), LE = L.end(i), RI = R.begin(i),
-                            RE = R.end(i);
+  for (unsigned i = L.index_begin(), e = L.index_end(); i != e; ++i) {
+    AttributeSet LAS = L.getAttributes(i);
+    AttributeSet RAS = R.getAttributes(i);
+    AttributeSet::iterator LI = LAS.begin(), LE = LAS.end();
+    AttributeSet::iterator RI = RAS.begin(), RE = RAS.end();
     for (; LI != LE && RI != RE; ++LI, ++RI) {
       Attribute LA = *LI;
       Attribute RA = *RI;