00001 // Sh: A GPU metaprogramming language. 00002 // 00003 // Copyright (c) 2003 University of Waterloo Computer Graphics Laboratory 00004 // Project administrator: Michael D. McCool 00005 // Authors: Zheng Qin, Stefanus Du Toit, Kevin Moule, Tiberiu S. Popa, 00006 // Michael D. McCool 00007 // 00008 // This software is provided 'as-is', without any express or implied 00009 // warranty. In no event will the authors be held liable for any damages 00010 // arising from the use of this software. 00011 // 00012 // Permission is granted to anyone to use this software for any purpose, 00013 // including commercial applications, and to alter it and redistribute it 00014 // freely, subject to the following restrictions: 00015 // 00016 // 1. The origin of this software must not be misrepresented; you must 00017 // not claim that you wrote the original software. If you use this 00018 // software in a product, an acknowledgment in the product documentation 00019 // would be appreciated but is not required. 00020 // 00021 // 2. Altered source versions must be plainly marked as such, and must 00022 // not be misrepresented as being the original software. 00023 // 00024 // 3. This notice may not be removed or altered from any source 00025 // distribution. 00027 #include "ShInternals.hpp" 00028 #include "ShDebug.hpp" 00029 00030 namespace SH { 00031 00032 ShVariableReplacer::ShVariableReplacer(VarMap& v) 00033 : varMap(v) { 00034 } 00035 00036 void ShVariableReplacer::operator()(ShCtrlGraphNodePtr node) { 00037 if (!node) return; 00038 ShBasicBlockPtr block = node->block; 00039 if (!block) return; 00040 for (ShBasicBlock::ShStmtList::iterator I = block->begin(); I != block->end(); ++I) { 00041 if(!I->dest.null()) repVar(I->dest); 00042 for (int i = 0; i < 3; i++) { 00043 if( !I->src[i].null() ) repVar(I->src[i]); 00044 } 00045 } 00046 } 00047 00048 void ShVariableReplacer::repVar(ShVariable& var) { 00049 VarMap::iterator I = varMap.find(var.node()); 00050 if (I == varMap.end()) return; 00051 var = ShVariable(I->second, var.swizzle(), var.neg()); 00052 } 00053 00054 } 00055 00056