[Attributor][NFC] Clang format the Attributor

The Attributor is always kept formatted so diffs are cleaner.

Sometime we get out of sync for various reasons so we need to format the
file once in a while.
diff --git a/llvm/lib/Transforms/IPO/Attributor.cpp b/llvm/lib/Transforms/IPO/Attributor.cpp
index 11f2f5c..846af42 100644
--- a/llvm/lib/Transforms/IPO/Attributor.cpp
+++ b/llvm/lib/Transforms/IPO/Attributor.cpp
@@ -2098,9 +2098,7 @@
   }
 
   /// See AbstractAttribute::initialize(...).
-  void initialize(Attributor &A) override {
-    indicatePessimisticFixpoint();
-  }
+  void initialize(Attributor &A) override { indicatePessimisticFixpoint(); }
 
   /// See AbstractAttribute::updateImpl(...).
   ChangeStatus updateImpl(Attributor &A) override {
@@ -2579,12 +2577,14 @@
               CI->takeName(II);
               replaceAllInstructionUsesWith(*II, *CI);
 
-              // If this is a nounwind + mayreturn invoke we only remove the unwind edge.
-              // This is done by moving the invoke into a new and dead block and connecting
-              // the normal destination of the invoke with a branch that follows the call
-              // replacement we created above.
+              // If this is a nounwind + mayreturn invoke we only remove the
+              // unwind edge. This is done by moving the invoke into a new and
+              // dead block and connecting the normal destination of the invoke
+              // with a branch that follows the call replacement we created
+              // above.
               if (MayReturn) {
-                BasicBlock *NewDeadBB = SplitBlock(BB, II, nullptr, nullptr, nullptr, ".i2c");
+                BasicBlock *NewDeadBB =
+                    SplitBlock(BB, II, nullptr, nullptr, nullptr, ".i2c");
                 assert(isa<BranchInst>(BB->getTerminator()) &&
                        BB->getTerminator()->getNumSuccessors() == 1 &&
                        BB->getTerminator()->getSuccessor(0) == NewDeadBB);
@@ -5717,9 +5717,9 @@
 }
 
 template <typename base_ty, base_ty BestState, base_ty WorstState>
-raw_ostream &llvm::
-operator<<(raw_ostream &OS,
-           const IntegerStateBase<base_ty, BestState, WorstState> &S) {
+raw_ostream &
+llvm::operator<<(raw_ostream &OS,
+                 const IntegerStateBase<base_ty, BestState, WorstState> &S) {
   return OS << "(" << S.getKnown() << "-" << S.getAssumed() << ")"
             << static_cast<const AbstractState &>(S);
 }