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diff --git a/llvm/include/llvm/Transforms/Scalar/LoopSimplifyCFG.h b/llvm/include/llvm/Transforms/Scalar/LoopSimplifyCFG.h
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+//===- LoopSimplifyCFG.cpp - Loop CFG Simplification Pass -------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the Loop SimplifyCFG Pass. This pass is responsible for
+// basic loop CFG cleanup, primarily to assist other loop passes. If you
+// encounter a noncanonical CFG construct that causes another loop pass to
+// perform suboptimally, this is the place to fix it up.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_SCALAR_LOOPSIMPLIFYCFG_H
+#define LLVM_TRANSFORMS_SCALAR_LOOPSIMPLIFYCFG_H
+
+#include "llvm/Analysis/LoopInfo.h"
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+
+/// Performs basic CFG simplifications to assist other loop passes.
+class LoopSimplifyCFGPass : public PassInfoMixin<LoopSimplifyCFGPass> {
+public:
+ PreservedAnalyses run(Loop &L, AnalysisManager<Loop> &AM);
+};
+} // end namespace llvm
+
+#endif // LLVM_TRANSFORMS_SCALAR_LOOPSIMPLIFYCFG_H
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