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Diffstat (limited to 'src/gallium/auxiliary/gallivm/instructionssoa.cpp')
| -rw-r--r-- | src/gallium/auxiliary/gallivm/instructionssoa.cpp | 525 |
1 files changed, 0 insertions, 525 deletions
diff --git a/src/gallium/auxiliary/gallivm/instructionssoa.cpp b/src/gallium/auxiliary/gallivm/instructionssoa.cpp deleted file mode 100644 index 721b7d2d833..00000000000 --- a/src/gallium/auxiliary/gallivm/instructionssoa.cpp +++ /dev/null @@ -1,525 +0,0 @@ -/************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sub license, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial portions - * of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, - * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE - * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - **************************************************************************/ - -#include <cstdio> -#include "instructionssoa.h" - -#include "storagesoa.h" - -#include "pipe/p_shader_tokens.h" -#include "util/u_memory.h" - -#include <llvm/CallingConv.h> -#include <llvm/Constants.h> -#include <llvm/Module.h> -#include <llvm/Function.h> -#include <llvm/Instructions.h> -#include <llvm/Transforms/Utils/Cloning.h> -#include <llvm/Attributes.h> -#include <llvm/Support/MemoryBuffer.h> -#include <llvm/Bitcode/ReaderWriter.h> - - -#include <iostream> - - -/* disable some warnings. this file is autogenerated */ -#if defined(__GNUC__) -#pragma GCC diagnostic ignored "-Wunused-variable" -#endif -using namespace llvm; -#include "gallivmsoabuiltins.cpp" -#if defined(__GNUC__) -#pragma GCC diagnostic warning "-Wunused-variable" -#endif - -InstructionsSoa::InstructionsSoa(llvm::Module *mod, llvm::Function *func, - llvm::BasicBlock *block, StorageSoa *storage) - : m_builder(block), - m_storage(storage), - m_idx(0) -{ - createFunctionMap(); - createBuiltins(); -} - -const char * InstructionsSoa::name(const char *prefix) const -{ - ++m_idx; - snprintf(m_name, 32, "%s%d", prefix, m_idx); - return m_name; -} - -llvm::Value * InstructionsSoa::vectorFromVals(llvm::Value *x, llvm::Value *y, - llvm::Value *z, llvm::Value *w) -{ - VectorType *vectorType = VectorType::get(Type::FloatTy, 4); - Constant *constVector = Constant::getNullValue(vectorType); - Value *res = m_builder.CreateInsertElement(constVector, x, - m_storage->constantInt(0), - name("vecx")); - res = m_builder.CreateInsertElement(res, y, m_storage->constantInt(1), - name("vecxy")); - res = m_builder.CreateInsertElement(res, z, m_storage->constantInt(2), - name("vecxyz")); - if (w) - res = m_builder.CreateInsertElement(res, w, m_storage->constantInt(3), - name("vecxyzw")); - return res; -} - -void InstructionsSoa::end() -{ - m_builder.CreateRetVoid(); -} - -std::vector<llvm::Value*> InstructionsSoa::extractVector(llvm::Value *vector) -{ - std::vector<llvm::Value*> res(4); - res[0] = m_builder.CreateExtractElement(vector, - m_storage->constantInt(0), - name("extract1X")); - res[1] = m_builder.CreateExtractElement(vector, - m_storage->constantInt(1), - name("extract2X")); - res[2] = m_builder.CreateExtractElement(vector, - m_storage->constantInt(2), - name("extract3X")); - res[3] = m_builder.CreateExtractElement(vector, - m_storage->constantInt(3), - name("extract4X")); - - return res; -} - -llvm::IRBuilder<>* InstructionsSoa::getIRBuilder() -{ - return &m_builder; -} - -void InstructionsSoa::createFunctionMap() -{ - m_functionsMap[TGSI_OPCODE_ABS] = "abs"; - m_functionsMap[TGSI_OPCODE_DP3] = "dp3"; - m_functionsMap[TGSI_OPCODE_DP4] = "dp4"; - m_functionsMap[TGSI_OPCODE_MIN] = "min"; - m_functionsMap[TGSI_OPCODE_MAX] = "max"; - m_functionsMap[TGSI_OPCODE_POW] = "pow"; - m_functionsMap[TGSI_OPCODE_LIT] = "lit"; - m_functionsMap[TGSI_OPCODE_RSQ] = "rsq"; - m_functionsMap[TGSI_OPCODE_SLT] = "slt"; -} - -void InstructionsSoa::createDependencies() -{ - { - std::vector<std::string> powDeps(2); - powDeps[0] = "powf"; - powDeps[1] = "powvec"; - m_builtinDependencies["pow"] = powDeps; - } - { - std::vector<std::string> absDeps(2); - absDeps[0] = "fabsf"; - absDeps[1] = "absvec"; - m_builtinDependencies["abs"] = absDeps; - } - { - std::vector<std::string> maxDeps(1); - maxDeps[0] = "maxvec"; - m_builtinDependencies["max"] = maxDeps; - } - { - std::vector<std::string> minDeps(1); - minDeps[0] = "minvec"; - m_builtinDependencies["min"] = minDeps; - } - { - std::vector<std::string> litDeps(4); - litDeps[0] = "minvec"; - litDeps[1] = "maxvec"; - litDeps[2] = "powf"; - litDeps[3] = "powvec"; - m_builtinDependencies["lit"] = litDeps; - } - { - std::vector<std::string> rsqDeps(4); - rsqDeps[0] = "sqrtf"; - rsqDeps[1] = "sqrtvec"; - rsqDeps[2] = "fabsf"; - rsqDeps[3] = "absvec"; - m_builtinDependencies["rsq"] = rsqDeps; - } -} - -llvm::Function * InstructionsSoa::function(int op) -{ - if (m_functions.find(op) != m_functions.end()) - return m_functions[op]; - - std::string name = m_functionsMap[op]; - - std::cout <<"For op = "<<op<<", func is '"<<name<<"'"<<std::endl; - - std::vector<std::string> deps = m_builtinDependencies[name]; - for (unsigned int i = 0; i < deps.size(); ++i) { - llvm::Function *func = m_builtins->getFunction(deps[i]); - std::cout <<"\tinjecting dep = '"<<func->getName()<<"'"<<std::endl; - injectFunction(func); - } - - llvm::Function *originalFunc = m_builtins->getFunction(name); - injectFunction(originalFunc, op); - return m_functions[op]; -} - -llvm::Module * InstructionsSoa::currentModule() const -{ - BasicBlock *block = m_builder.GetInsertBlock(); - if (!block || !block->getParent()) - return 0; - - return block->getParent()->getParent(); -} - -void InstructionsSoa::createBuiltins() -{ - std::string ErrMsg; - MemoryBuffer *buffer = MemoryBuffer::getMemBuffer( - (const char*)&soabuiltins_data[0], - (const char*)&soabuiltins_data[Elements(soabuiltins_data) - 1]); - m_builtins = ParseBitcodeFile(buffer, &ErrMsg); - std::cout<<"Builtins created at "<<m_builtins<<" ("<<ErrMsg<<")"<<std::endl; - assert(m_builtins); - createDependencies(); -} - - -std::vector<llvm::Value*> InstructionsSoa::abs(const std::vector<llvm::Value*> in1) -{ - llvm::Function *func = function(TGSI_OPCODE_ABS); - return callBuiltin(func, in1); -} - -std::vector<llvm::Value*> InstructionsSoa::add(const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2) -{ - std::vector<llvm::Value*> res(4); - - res[0] = m_builder.CreateAdd(in1[0], in2[0], name("addx")); - res[1] = m_builder.CreateAdd(in1[1], in2[1], name("addy")); - res[2] = m_builder.CreateAdd(in1[2], in2[2], name("addz")); - res[3] = m_builder.CreateAdd(in1[3], in2[3], name("addw")); - - return res; -} - -std::vector<llvm::Value*> InstructionsSoa::arl(const std::vector<llvm::Value*> in) -{ - std::vector<llvm::Value*> res(4); - - //Extract x's - llvm::Value *x1 = m_builder.CreateExtractElement(in[0], - m_storage->constantInt(0), - name("extractX")); - //cast it to an unsigned int - x1 = m_builder.CreateFPToUI(x1, IntegerType::get(32), name("x1IntCast")); - - res[0] = x1;//vectorFromVals(x1, x2, x3, x4); - //only x is valid. the others shouldn't be necessary - /* - res[1] = Constant::getNullValue(m_floatVecType); - res[2] = Constant::getNullValue(m_floatVecType); - res[3] = Constant::getNullValue(m_floatVecType); - */ - - return res; -} - -std::vector<llvm::Value*> InstructionsSoa::dp3(const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2) -{ - llvm::Function *func = function(TGSI_OPCODE_DP3); - return callBuiltin(func, in1, in2); -} - -std::vector<llvm::Value*> InstructionsSoa::lit(const std::vector<llvm::Value*> in) -{ - llvm::Function *func = function(TGSI_OPCODE_LIT); - return callBuiltin(func, in); -} - -std::vector<llvm::Value*> InstructionsSoa::madd(const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2, - const std::vector<llvm::Value*> in3) -{ - std::vector<llvm::Value*> res = mul(in1, in2); - return add(res, in3); -} - -std::vector<llvm::Value*> InstructionsSoa::max(const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2) -{ - llvm::Function *func = function(TGSI_OPCODE_MAX); - return callBuiltin(func, in1, in2); -} - -std::vector<llvm::Value*> InstructionsSoa::min(const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2) -{ - llvm::Function *func = function(TGSI_OPCODE_MIN); - return callBuiltin(func, in1, in2); -} - -std::vector<llvm::Value*> InstructionsSoa::mul(const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2) -{ - std::vector<llvm::Value*> res(4); - - res[0] = m_builder.CreateMul(in1[0], in2[0], name("mulx")); - res[1] = m_builder.CreateMul(in1[1], in2[1], name("muly")); - res[2] = m_builder.CreateMul(in1[2], in2[2], name("mulz")); - res[3] = m_builder.CreateMul(in1[3], in2[3], name("mulw")); - - return res; -} - -std::vector<llvm::Value*> InstructionsSoa::pow(const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2) -{ - llvm::Function *func = function(TGSI_OPCODE_POW); - return callBuiltin(func, in1, in2); -} - -std::vector<llvm::Value*> InstructionsSoa::rsq(const std::vector<llvm::Value*> in) -{ - llvm::Function *func = function(TGSI_OPCODE_RSQ); - return callBuiltin(func, in); -} - -std::vector<llvm::Value*> InstructionsSoa::slt(const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2) -{ - llvm::Function *func = function(TGSI_OPCODE_SLT); - return callBuiltin(func, in1, in2); -} - -std::vector<llvm::Value*> InstructionsSoa::sub(const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2) -{ - std::vector<llvm::Value*> res(4); - - res[0] = m_builder.CreateSub(in1[0], in2[0], name("subx")); - res[1] = m_builder.CreateSub(in1[1], in2[1], name("suby")); - res[2] = m_builder.CreateSub(in1[2], in2[2], name("subz")); - res[3] = m_builder.CreateSub(in1[3], in2[3], name("subw")); - - return res; -} - -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); - } - } - } -} - -llvm::Value * InstructionsSoa::allocaTemp() -{ - VectorType *vector = VectorType::get(Type::FloatTy, 4); - ArrayType *vecArray = ArrayType::get(vector, 4); - AllocaInst *alloca = new AllocaInst(vecArray, name("tmpRes"), - m_builder.GetInsertBlock()); - - std::vector<Value*> indices; - indices.push_back(m_storage->constantInt(0)); - indices.push_back(m_storage->constantInt(0)); - GetElementPtrInst *getElem = GetElementPtrInst::Create(alloca, - indices.begin(), - indices.end(), - name("allocaPtr"), - m_builder.GetInsertBlock()); - return getElem; -} - -std::vector<llvm::Value*> InstructionsSoa::allocaToResult(llvm::Value *allocaPtr) -{ - GetElementPtrInst *xElemPtr = GetElementPtrInst::Create(allocaPtr, - m_storage->constantInt(0), - name("xPtr"), - m_builder.GetInsertBlock()); - GetElementPtrInst *yElemPtr = GetElementPtrInst::Create(allocaPtr, - m_storage->constantInt(1), - name("yPtr"), - m_builder.GetInsertBlock()); - GetElementPtrInst *zElemPtr = GetElementPtrInst::Create(allocaPtr, - m_storage->constantInt(2), - name("zPtr"), - m_builder.GetInsertBlock()); - GetElementPtrInst *wElemPtr = GetElementPtrInst::Create(allocaPtr, - m_storage->constantInt(3), - name("wPtr"), - m_builder.GetInsertBlock()); - - std::vector<llvm::Value*> res(4); - res[0] = new LoadInst(xElemPtr, name("xRes"), false, m_builder.GetInsertBlock()); - res[1] = new LoadInst(yElemPtr, name("yRes"), false, m_builder.GetInsertBlock()); - res[2] = new LoadInst(zElemPtr, name("zRes"), false, m_builder.GetInsertBlock()); - res[3] = new LoadInst(wElemPtr, name("wRes"), false, m_builder.GetInsertBlock()); - - return res; -} - -std::vector<llvm::Value*> InstructionsSoa::dp4(const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2) -{ - llvm::Function *func = function(TGSI_OPCODE_DP4); - return callBuiltin(func, in1, in2); -} - -std::vector<Value*> InstructionsSoa::callBuiltin(llvm::Function *func, const std::vector<llvm::Value*> in1) -{ - std::vector<Value*> params; - - llvm::Value *allocaPtr = allocaTemp(); - params.push_back(allocaPtr); - params.push_back(in1[0]); - params.push_back(in1[1]); - params.push_back(in1[2]); - params.push_back(in1[3]); - CallInst *call = m_builder.CreateCall(func, params.begin(), params.end()); - call->setCallingConv(CallingConv::C); - call->setTailCall(false); - - return allocaToResult(allocaPtr); -} - -std::vector<Value*> InstructionsSoa::callBuiltin(llvm::Function *func, const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2) -{ - std::vector<Value*> params; - - llvm::Value *allocaPtr = allocaTemp(); - params.push_back(allocaPtr); - params.push_back(in1[0]); - params.push_back(in1[1]); - params.push_back(in1[2]); - params.push_back(in1[3]); - params.push_back(in2[0]); - params.push_back(in2[1]); - params.push_back(in2[2]); - params.push_back(in2[3]); - CallInst *call = m_builder.CreateCall(func, params.begin(), params.end()); - call->setCallingConv(CallingConv::C); - call->setTailCall(false); - - return allocaToResult(allocaPtr); -} - -std::vector<Value*> InstructionsSoa::callBuiltin(llvm::Function *func, const std::vector<llvm::Value*> in1, - const std::vector<llvm::Value*> in2, - const std::vector<llvm::Value*> in3) -{ - std::vector<Value*> params; - - llvm::Value *allocaPtr = allocaTemp(); - params.push_back(allocaPtr); - params.push_back(in1[0]); - params.push_back(in1[1]); - params.push_back(in1[2]); - params.push_back(in1[3]); - params.push_back(in2[0]); - params.push_back(in2[1]); - params.push_back(in2[2]); - params.push_back(in2[3]); - params.push_back(in3[0]); - params.push_back(in3[1]); - params.push_back(in3[2]); - params.push_back(in3[3]); - CallInst *call = m_builder.CreateCall(func, params.begin(), params.end()); - call->setCallingConv(CallingConv::C); - call->setTailCall(false); - - return allocaToResult(allocaPtr); -} - -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()) { - func = Function::Create(originalFunc->getFunctionType(), GlobalValue::ExternalLinkage, - originalFunc->getName(), currentModule()); - func->setCallingConv(CallingConv::C); - const AttrListPtr pal; - func->setAttributes(pal); - currentModule()->dump(); - } else { - DenseMap<const Value*, Value *> val; - val[m_builtins->getFunction("fabsf")] = currentModule()->getFunction("fabsf"); - val[m_builtins->getFunction("powf")] = currentModule()->getFunction("powf"); - val[m_builtins->getFunction("sqrtf")] = currentModule()->getFunction("sqrtf"); - func = CloneFunction(originalFunc, val); -#if 0 - std::cout <<" replacing "<<m_builtins->getFunction("powf") - <<", with " <<currentModule()->getFunction("powf")<<std::endl; - std::cout<<"1111-------------------------------"<<std::endl; - checkFunction(originalFunc); - std::cout<<"2222-------------------------------"<<std::endl; - checkFunction(func); - std::cout <<"XXXX = " <<val[m_builtins->getFunction("powf")]<<std::endl; -#endif - currentModule()->getFunctionList().push_back(func); - } - if (op != TGSI_OPCODE_LAST) { - m_functions[op] = func; - } -} - - |