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/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index 4ee762e..cc6b8b3 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -174,7 +174,7 @@
     const AttributeSet &A = Attrs[i];
     for (unsigned i = 0, e = A.getNumSlots(); i != e; ++i) {
       const AttributeWithIndex &PAWI = A.getSlot(i);
-      Record.push_back(PAWI.Index);
+      Record.push_back(A.getSlotIndex(i));
       Record.push_back(Attribute::encodeLLVMAttributesForBitcode(PAWI.Attrs));
     }
 
diff --git a/lib/IR/Attributes.cpp b/lib/IR/Attributes.cpp
index b09d55d..538d9fe 100644
--- a/lib/IR/Attributes.cpp
+++ b/lib/IR/Attributes.cpp
@@ -853,8 +853,8 @@
 void AttributeSet::dump() const {
   dbgs() << "PAL[ ";
   for (unsigned i = 0; i < getNumSlots(); ++i) {
-    const AttributeWithIndex &PAWI = getSlot(i);
-    dbgs() << "{ " << PAWI.Index << ", " << PAWI.Attrs.getAsString() << " } ";
+    unsigned Index = getSlotIndex(i);
+    dbgs() << "{ " << Index << " => " << getAsString(Index) << " } ";
   }
 
   dbgs() << "]\n";
diff --git a/lib/Target/CppBackend/CPPBackend.cpp b/lib/Target/CppBackend/CPPBackend.cpp
index 50bfef5..2560c6e 100644
--- a/lib/Target/CppBackend/CPPBackend.cpp
+++ b/lib/Target/CppBackend/CPPBackend.cpp
@@ -473,7 +473,7 @@
     Out << "SmallVector<AttributeWithIndex, 4> Attrs;"; nl(Out);
     Out << "AttributeWithIndex PAWI;"; nl(Out);
     for (unsigned i = 0; i < PAL.getNumSlots(); ++i) {
-      unsigned index = PAL.getSlot(i).Index;
+      unsigned index = PAL.getSlotIndex(i);
       AttrBuilder attrs(PAL.getSlot(i).Attrs);
       Out << "PAWI.Index = " << index << "U;\n";
       Out << " {\n    AttrBuilder B;\n";
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.