diff options
author | Zack Rusin <[email protected]> | 2008-03-12 22:51:57 -0400 |
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committer | Zack Rusin <[email protected]> | 2008-03-12 22:57:52 -0400 |
commit | cac037d36d451e8cafbb4a759d0edf9fa8b1ca81 (patch) | |
tree | 5f4aa06ba9f1fa8c6091d9c164d217a245d06430 /src/gallium/auxiliary/gallivm/instructionssoa.cpp | |
parent | 2366bb1baf2e9ae5b6ecf19f66ae9e0a4b0d2f36 (diff) |
add code handling dependencies between generated code
Diffstat (limited to 'src/gallium/auxiliary/gallivm/instructionssoa.cpp')
-rw-r--r-- | src/gallium/auxiliary/gallivm/instructionssoa.cpp | 96 |
1 files changed, 86 insertions, 10 deletions
diff --git a/src/gallium/auxiliary/gallivm/instructionssoa.cpp b/src/gallium/auxiliary/gallivm/instructionssoa.cpp index 89d513afd0d..6f83b56a727 100644 --- a/src/gallium/auxiliary/gallivm/instructionssoa.cpp +++ b/src/gallium/auxiliary/gallivm/instructionssoa.cpp @@ -143,8 +143,16 @@ std::vector<llvm::Value*> InstructionsSoa::extractVector(llvm::Value *vector) void InstructionsSoa::createFunctionMap() { - m_functionsMap[TGSI_OPCODE_DP3] = "dp3"; - m_functionsMap[TGSI_OPCODE_DP4] = "dp4"; + m_functionsMap[TGSI_OPCODE_DP3] = "dp3"; + m_functionsMap[TGSI_OPCODE_DP4] = "dp4"; + m_functionsMap[TGSI_OPCODE_POWER] = "pow"; +} + +void InstructionsSoa::createDependencies() +{ + std::vector<std::string> powDeps(1); + powDeps[0] = "powf"; + m_builtinDependencies["pow"] = powDeps; } llvm::Function * InstructionsSoa::function(int op) @@ -154,15 +162,14 @@ llvm::Function * InstructionsSoa::function(int op) std::string name = m_functionsMap[op]; + std::vector<std::string> deps = m_builtinDependencies[name]; + for (unsigned int i = 0; i < deps.size(); ++i) { + injectFunction(m_builtins->getFunction(deps[i])); + } + llvm::Function *originalFunc = m_builtins->getFunction(name); - llvm::Function *func = CloneFunction(originalFunc); - currentModule()->getFunctionList().push_back(func); - std::cout << "Func parent is "<<func->getParent() - <<", cur is "<<currentModule() <<std::endl; - func->dump(); - //func->setParent(currentModule()); - m_functions[op] = func; - return func; + injectFunction(originalFunc, op); + return m_functions[op]; } llvm::Module * InstructionsSoa::currentModule() const @@ -177,6 +184,7 @@ llvm::Module * InstructionsSoa::currentModule() const void InstructionsSoa::createBuiltins() { m_builtins = createSoaBuiltins(); + createDependencies(); } std::vector<llvm::Value*> InstructionsSoa::dp3(const std::vector<llvm::Value*> in1, @@ -304,3 +312,71 @@ std::vector<Value*> InstructionsSoa::callBuiltin(llvm::Function *func, const std return allocaToResult(allocaPtr); } + +std::vector<llvm::Value*> InstructionsSoa::pow(const std::vector<llvm::Value*> in1, + const std::vector<llvm::Value*> in2) +{ + llvm::Function *func = function(TGSI_OPCODE_POWER); + return callBuiltin(func, in1, in2); +} + +void checkFunction(Function *func) +{ + for (Function::const_iterator BI = func->begin(), BE = func->end(); + BI != BE; ++BI) { + const BasicBlock &BB = *BI; + for (BasicBlock::const_iterator II = BB.begin(), IE = BB.end(); + II != IE; ++II) { + const Instruction &I = *II; + std::cout<< "Instr = "<<I; + for (unsigned op = 0, E = I.getNumOperands(); op != E; ++op) { + const Value *Op = I.getOperand(op); + std::cout<< "\top = "<<Op<<"("<<op<<")"<<std::endl; + //I->setOperand(op, V); + } + } + } +} + +void InstructionsSoa::injectFunction(llvm::Function *originalFunc, int op) +{ + assert(originalFunc); + std::cout << "injecting function originalFunc " <<originalFunc->getName() <<std::endl; + if (op != TGSI_OPCODE_LAST) { + /* in this case it's possible the function has been already + * injected as part of the dependency chain, which gets + * injected below */ + llvm::Function *func = currentModule()->getFunction(originalFunc->getName()); + if (func) { + m_functions[op] = func; + return; + } + } + llvm::Function *func = 0; + if (originalFunc->isDeclaration()) { + std::cout << "function decleration" <<std::endl; + func = new Function(originalFunc->getFunctionType(), GlobalValue::ExternalLinkage, + originalFunc->getName(), currentModule()); + func->setCallingConv(CallingConv::C); + const ParamAttrsList *pal = 0; + func->setParamAttrs(pal); + currentModule()->dump(); + } else { + DenseMap<const Value*, Value *> val; + val[m_builtins->getFunction("powf")] = currentModule()->getFunction("powf"); + std::cout <<" replacing "<<m_builtins->getFunction("powf") + <<", with " <<currentModule()->getFunction("powf")<<std::endl; + func = CloneFunction(originalFunc, val); + std::cout<<"1111-------------------------------"<<std::endl; + checkFunction(originalFunc); + std::cout<<"2222-------------------------------"<<std::endl; + checkFunction(func); + std::cout <<"XXXX = " <<val[m_builtins->getFunction("powf")]<<std::endl; + currentModule()->getFunctionList().push_back(func); + std::cout << "Func parent is "<<func->getParent() + <<", cur is "<<currentModule() <<std::endl; + } + if (op != TGSI_OPCODE_LAST) { + m_functions[op] = func; + } +} |