src/Reactor/Reactor.hpp

   1 // SwiftShader Software Renderer\r
   2 //\r
   3 // Copyright(c) 2005-2011 TransGaming Inc.\r
   4 //\r
   5 // All rights reserved. No part of this software may be copied, distributed, transmitted,\r
   6 // transcribed, stored in a retrieval system, translated into any human or computer\r
   7 // language by any means, or disclosed to third parties without the explicit written\r
   8 // agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express\r
   9 // or implied, including but not limited to any patent rights, are granted to you.\r
  10 //\r
  11 \r
  12 #include "Nucleus.hpp"\r
  13 #include "Routine.hpp"\r
  14 \r
  15 namespace sw\r
  16 {\r
  17         #define For(init, cond, inc)                     \\r
  18         init;                                            \\r
  19         for(llvm::BasicBlock *loopBB__ = beginLoop(),    \\r
  20                 *bodyBB__ = Nucleus::createBasicBlock(),        \\r
  21                 *endBB__ = Nucleus::createBasicBlock(),         \\r
  22                 *onceBB__ = endBB__;                         \\r
  23                 onceBB__ && branch(cond, bodyBB__, endBB__); \\r
  24                 inc, onceBB__ = 0, Nucleus::createBr(loopBB__), Nucleus::setInsertBlock(endBB__))\r
  25 \r
  26         #define While(cond) For(((void*)0), cond, ((void*)0))\r
  27 \r
  28         #define Do \\r
  29         { \\r
  30                 llvm::BasicBlock *body = Nucleus::createBasicBlock(); \\r
  31                 Nucleus::createBr(body); \\r
  32                 Nucleus::setInsertBlock(body);\r
  33 \r
  34         #define Until(cond) \\r
  35                 llvm::BasicBlock *end = Nucleus::createBasicBlock(); \\r
  36                 Nucleus::createCondBr((cond).value, end, body); \\r
  37                 Nucleus::setInsertBlock(end); \\r
  38         }\r
  39 \r
  40         #define If(cond)                                                              \\r
  41         for(llvm::BasicBlock *trueBB__ = Nucleus::createBasicBlock(), \\r
  42                 *falseBB__ = Nucleus::createBasicBlock(),                 \\r
  43                 *endBB__ = Nucleus::createBasicBlock(),                   \\r
  44                 *onceBB__ = endBB__;                                   \\r
  45                 onceBB__ && branch(cond, trueBB__, falseBB__);         \\r
  46                 onceBB__ = 0, Nucleus::createBr(endBB__), Nucleus::setInsertBlock(falseBB__), Nucleus::createBr(endBB__), Nucleus::setInsertBlock(endBB__))\r
  47 \r
  48         #define Else                                            \\r
  49         for(llvm::BasicBlock *endBB__ = Nucleus::getInsertBlock(), \\r
  50                 *falseBB__ = Nucleus::getPredecessor(endBB__),         \\r
  51                 *onceBB__ = endBB__;                                \\r
  52                 onceBB__ && elseBlock(falseBB__);                   \\r
  53                 onceBB__ = 0, Nucleus::createBr(endBB__), Nucleus::setInsertBlock(endBB__))\r
  54 }