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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 <vector>
18 
19 namespace llvm {
20   class BasicBlock;
21   class DominatorTree;
22   class Function;
23   class Loop;
24 
25   /// ExtractCodeRegion - rip out a sequence of basic blocks into a new function
26   ///
27   Function* ExtractCodeRegion(DominatorTree& DT,
28                               const std::vector<BasicBlock*> &code,
29                               bool AggregateArgs = false);
30 
31   /// ExtractLoop - rip out a natural loop into a new function
32   ///
33   Function* ExtractLoop(DominatorTree& DT, Loop *L,
34                         bool AggregateArgs = false);
35 
36   /// ExtractBasicBlock - rip out a basic block into a new function
37   ///
38   Function* ExtractBasicBlock(BasicBlock *BB, bool AggregateArgs = false);
39 }
40 
41 #endif
42