Tanya Lattner | 4f839cc | 2003-08-28 17:12:14 +0000 | [diff] [blame] | 1 | //===-- ModuloScheduling.cpp - Software Pipeling Approach - SMS --*- C++ -*--=// |
Guochun Shi | f1c154f | 2003-03-27 17:57:44 +0000 | [diff] [blame] | 2 | // |
Tanya Lattner | 4f839cc | 2003-08-28 17:12:14 +0000 | [diff] [blame] | 3 | // The is a software pipelining pass based on the Swing Modulo Scheduling |
Misha Brukman | aa41c3c | 2003-10-10 17:41:32 +0000 | [diff] [blame^] | 4 | // algorithm (SMS). |
Guochun Shi | f1c154f | 2003-03-27 17:57:44 +0000 | [diff] [blame] | 5 | // |
| 6 | //===----------------------------------------------------------------------===// |
| 7 | |
Misha Brukman | 8baa01c | 2003-04-09 21:51:34 +0000 | [diff] [blame] | 8 | #include "ModuloSchedGraph.h" |
Tanya Lattner | 4f839cc | 2003-08-28 17:12:14 +0000 | [diff] [blame] | 9 | #include "llvm/Function.h" |
Misha Brukman | aa41c3c | 2003-10-10 17:41:32 +0000 | [diff] [blame^] | 10 | #include "llvm/Pass.h" |
Guochun Shi | f1c154f | 2003-03-27 17:57:44 +0000 | [diff] [blame] | 11 | |
| 12 | namespace { |
Tanya Lattner | 4f839cc | 2003-08-28 17:12:14 +0000 | [diff] [blame] | 13 | |
| 14 | class ModuloScheduling : public FunctionPass { |
Guochun Shi | 8f1d4ab | 2003-06-08 23:16:07 +0000 | [diff] [blame] | 15 | |
Tanya Lattner | 4f839cc | 2003-08-28 17:12:14 +0000 | [diff] [blame] | 16 | public: |
| 17 | virtual bool runOnFunction(Function &F); |
Guochun Shi | f1c154f | 2003-03-27 17:57:44 +0000 | [diff] [blame] | 18 | }; |
Guochun Shi | f1c154f | 2003-03-27 17:57:44 +0000 | [diff] [blame] | 19 | |
Misha Brukman | aa41c3c | 2003-10-10 17:41:32 +0000 | [diff] [blame^] | 20 | RegisterOpt<ModuloScheduling> X("modulo-sched", |
| 21 | "Modulo Scheduling/Software Pipelining"); |
Guochun Shi | f1c154f | 2003-03-27 17:57:44 +0000 | [diff] [blame] | 22 | } |
| 23 | |
Misha Brukman | aa41c3c | 2003-10-10 17:41:32 +0000 | [diff] [blame^] | 24 | /// Create Modulo Scheduling Pass |
| 25 | /// |
Tanya Lattner | 4f839cc | 2003-08-28 17:12:14 +0000 | [diff] [blame] | 26 | Pass *createModuloSchedPass() { |
| 27 | return new ModuloScheduling(); |
Guochun Shi | f1c154f | 2003-03-27 17:57:44 +0000 | [diff] [blame] | 28 | } |
Tanya Lattner | 4f839cc | 2003-08-28 17:12:14 +0000 | [diff] [blame] | 29 | |
Misha Brukman | aa41c3c | 2003-10-10 17:41:32 +0000 | [diff] [blame^] | 30 | /// ModuloScheduling::runOnFunction - main transformation entry point |
| 31 | /// |
Tanya Lattner | 4f839cc | 2003-08-28 17:12:14 +0000 | [diff] [blame] | 32 | bool ModuloScheduling::runOnFunction(Function &F) { |
| 33 | bool Changed = false; |
Tanya Lattner | 4f839cc | 2003-08-28 17:12:14 +0000 | [diff] [blame] | 34 | return Changed; |
| 35 | } |