/Users/buildslave/jenkins/sharedspace/clang-stage2-coverage-R@2/llvm/include/llvm/Transforms/Scalar/LoopUnrollPass.h
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1 | | //===- LoopUnrollPass.h -----------------------------------------*- 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 | | #ifndef LLVM_TRANSFORMS_SCALAR_LOOPUNROLLPASS_H |
11 | | #define LLVM_TRANSFORMS_SCALAR_LOOPUNROLLPASS_H |
12 | | |
13 | | #include "llvm/Analysis/LoopInfo.h" |
14 | | #include "llvm/IR/PassManager.h" |
15 | | #include "llvm/Transforms/Scalar/LoopPassManager.h" |
16 | | |
17 | | namespace llvm { |
18 | | |
19 | | /// Loop unroll pass that only does full loop unrolling. |
20 | | class LoopFullUnrollPass : public PassInfoMixin<LoopFullUnrollPass> { |
21 | | const int OptLevel; |
22 | | |
23 | | public: |
24 | 0 | explicit LoopFullUnrollPass(int OptLevel = 2) : OptLevel(OptLevel) {} |
25 | | |
26 | | PreservedAnalyses run(Loop &L, LoopAnalysisManager &AM, |
27 | | LoopStandardAnalysisResults &AR, LPMUpdater &U); |
28 | | }; |
29 | | |
30 | | /// Loop unroll pass that will support both full and partial unrolling. |
31 | | /// It is a function pass to have access to function and module analyses. |
32 | | /// It will also put loops into canonical form (simplified and LCSSA). |
33 | | class LoopUnrollPass : public PassInfoMixin<LoopUnrollPass> { |
34 | | const int OptLevel; |
35 | | |
36 | | public: |
37 | | /// This uses the target information (or flags) to control the thresholds for |
38 | | /// different unrolling stategies but supports all of them. |
39 | 0 | explicit LoopUnrollPass(int OptLevel = 2) : OptLevel(OptLevel) {} |
40 | | |
41 | | PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); |
42 | | }; |
43 | | } // end namespace llvm |
44 | | |
45 | | #endif // LLVM_TRANSFORMS_SCALAR_LOOPUNROLLPASS_H |