Use the new 'getSlotIndex' method to retrieve the attribute's slot index.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173499 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/IPO/DeadArgumentElimination.cpp b/lib/Transforms/IPO/DeadArgumentElimination.cpp
index 3a38ca4..4603146 100644
--- a/lib/Transforms/IPO/DeadArgumentElimination.cpp
+++ b/lib/Transforms/IPO/DeadArgumentElimination.cpp
@@ -272,9 +272,9 @@
 
     // Drop any attributes that were on the vararg arguments.
     AttributeSet PAL = CS.getAttributes();
-    if (!PAL.isEmpty() && PAL.getSlot(PAL.getNumSlots() - 1).Index > NumArgs) {
+    if (!PAL.isEmpty() && PAL.getSlotIndex(PAL.getNumSlots() - 1) > NumArgs) {
       SmallVector<AttributeWithIndex, 8> AttributesVec;
-      for (unsigned i = 0; PAL.getSlot(i).Index <= NumArgs; ++i)
+      for (unsigned i = 0; PAL.getSlotIndex(i) <= NumArgs; ++i)
         AttributesVec.push_back(PAL.getSlot(i));
       if (PAL.hasAttributes(AttributeSet::FunctionIndex))
         AttributesVec.push_back(AttributeWithIndex::get(Fn.getContext(),
diff --git a/lib/Transforms/IPO/GlobalOpt.cpp b/lib/Transforms/IPO/GlobalOpt.cpp
index 6fe4316..52d4e2f 100644
--- a/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/lib/Transforms/IPO/GlobalOpt.cpp
@@ -2072,7 +2072,7 @@
       continue;
 
     // There can be only one.
-    return Attrs.removeAttribute(C, Attrs.getSlot(i).Index, Attribute::Nest);
+    return Attrs.removeAttribute(C, Attrs.getSlotIndex(i), Attribute::Nest);
   }
 
   return Attrs;
diff --git a/lib/Transforms/InstCombine/InstCombineCalls.cpp b/lib/Transforms/InstCombine/InstCombineCalls.cpp
index 2fd3549..8555c2f 100644
--- a/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -1101,7 +1101,7 @@
     // won't be dropping them.  Check that these extra arguments have attributes
     // that are compatible with being a vararg call argument.
     for (unsigned i = CallerPAL.getNumSlots(); i; --i) {
-      if (CallerPAL.getSlot(i - 1).Index <= FT->getNumParams())
+      if (CallerPAL.getSlotIndex(i - 1) <= FT->getNumParams())
         break;
       Attribute PAttrs = CallerPAL.getSlot(i - 1).Attrs;
       // Check if it has an attribute that's incompatible with varargs.