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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
20 namespace 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