[llvm][NFC] Fix license on InlineFeaturesAnalysis.{h|cpp}

[mtrofin]

Summary

Also fixed the InlineAdvisor.cpp license.

llvm/include/llvm/Analysis/InlineFeaturesAnalysis.h

+//===- InlineFeaturesAnalysis.h - ML Policy Feature extraction  -*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
 #ifndef LLVM_INLINEFEATURESANALYSIS_H_
 #define LLVM_INLINEFEATURESANALYSIS_H_
 
 #include "llvm/IR/PassManager.h"
 
 namespace llvm {
 class Function;
 
struct Result {
     /// defined in this module.
     int64_t DirectCallsToDefinedFunctions = 0;
   };
   Result run(const Function &F, FunctionAnalysisManager &FAM);
 };
 
 } // namespace llvm
 #endif // LLVM_INLINEFEATURESANALYSIS_H_
 No newline at end of file

llvm/lib/Analysis/InlineAdvisor.cpp

 //===- InlineAdvisor.cpp - analysis pass implementation -------------------===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 //
 // This file implements InlineAdvisorAnalysis and DefaultInlineAdvisor, and
 // related types.
 //
 //===----------------------------------------------------------------------===//
 

llvm/lib/Analysis/InlineFeaturesAnalysis.cpp

+//===- InlineFeaturesAnalysis.cpp - Feature extraction for ML Policies ----===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements an analysis extracting function features, which may be
+// used by ML-driven policies, for example.
+//
+//===----------------------------------------------------------------------===//
+
 #include "llvm/Analysis/InlineFeaturesAnalysis.h"
 #include "llvm/IR/Instructions.h"
 
 using namespace llvm;
 
 AnalysisKey InlineFeaturesAnalysis::Key;
 
 InlineFeaturesAnalysis::Result
for (const auto &I : BB)
       if (auto *CS = dyn_cast<CallBase>(&I)) {
         const auto *Callee = CS->getCalledFunction();
         if (Callee && !Callee->isIntrinsic() && !Callee->isDeclaration())
           ++Ret.DirectCallsToDefinedFunctions;
       }
   }
   return Ret;
 }
 No newline at end of file