1//===-- Transform/Utils/FunctionUtils.h - Function Utils --------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This family of transformations manipulate LLVM functions.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_TRANSFORMS_UTILS_FUNCTION_H
15#define LLVM_TRANSFORMS_UTILS_FUNCTION_H
16
17#include "llvm/ADT/ArrayRef.h"
18#include <vector>
19
20namespace llvm {
21  class BasicBlock;
22  class DominatorTree;
23  class Function;
24  class Loop;
25
26  /// ExtractCodeRegion - Rip out a sequence of basic blocks into a new
27  /// function.
28  ///
29  Function* ExtractCodeRegion(DominatorTree& DT,
30                              ArrayRef<BasicBlock*> code,
31                              bool AggregateArgs = false);
32
33  /// ExtractLoop - Rip out a natural loop into a new function.
34  ///
35  Function* ExtractLoop(DominatorTree& DT, Loop *L,
36                        bool AggregateArgs = false);
37
38  /// ExtractBasicBlock - Rip out a basic block (and the associated landing pad)
39  /// into a new function.
40  ///
41  Function* ExtractBasicBlock(ArrayRef<BasicBlock*> BBs,
42                              bool AggregateArgs = false);
43}
44
45#endif
46