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

Summary: Also fixed the InlineAdvisor.cpp license.

Reviewers: rriddle

Subscribers: hiraditya, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D81896

llvm/include/llvm/Analysis/InlineFeaturesAnalysis.h

@@ -1,3 +1,11 @@
+//===- 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_
 

llvm/lib/Analysis/InlineAdvisor.cpp

@@ -1,9 +1,8 @@
 //===- 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
 //
 //===----------------------------------------------------------------------===//
 //

llvm/lib/Analysis/InlineFeaturesAnalysis.cpp

@@ -1,3 +1,16 @@
+//===- 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"