1 files changed, 38 insertions, 0 deletions
diff --git a/include/llvm/Transforms/Scalar/LoopDeletion.h b/include/llvm/Transforms/Scalar/LoopDeletion.h
new file mode 100644
index 0000000000000..ed5a9833e5726
--- /dev/null
+++ b/include/llvm/Transforms/Scalar/LoopDeletion.h
@@ -0,0 +1,38 @@
+//===- LoopDeletion.h - Loop Deletion -------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file provides the interface for the Loop Deletion Pass.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_SCALAR_LOOPDELETION_H
+#define LLVM_TRANSFORMS_SCALAR_LOOPDELETION_H
+
+#include "llvm/Analysis/LoopInfo.h"
+#include "llvm/Analysis/ScalarEvolution.h"
+#include "llvm/IR/PassManager.h"
+
+namespace llvm {
+
+class LoopDeletionPass : public PassInfoMixin<LoopDeletionPass> {
+public:
+  LoopDeletionPass() {}
+  PreservedAnalyses run(Loop &L, AnalysisManager<Loop> &AM);
+  bool runImpl(Loop *L, DominatorTree &DT, ScalarEvolution &SE,
+              LoopInfo &loopInfo);
+
+private:
+  bool isLoopDead(Loop *L, ScalarEvolution &SE,
+                  SmallVectorImpl<BasicBlock *> &exitingBlocks,
+                  SmallVectorImpl<BasicBlock *> &exitBlocks, bool &Changed,
+                  BasicBlock *Preheader);
+};
+}
+
+#endif // LLVM_TRANSFORMS_SCALAR_LOOPDELETION_H