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authorZack Rusin <zackr@vmware.com>2010-02-08 18:05:22 -0500
committerZack Rusin <zackr@vmware.com>2010-02-08 18:22:11 -0500
commitc61bf363937f40624a5632745630d4f2b9907082 (patch)
treebb2388269117d6783400e17957ff8b0a68dfb5b5 /src/gallium/auxiliary/gallivm/instructionssoa.cpp
parent74d23546c79fe8c8d87588fa423040e3b19a8fc6 (diff)
llvmpipe: export the tgsi translation code to a common layer
the llvmpipe tgsi translation is a lot more complete than what was in gallivm so replacing the latter with the former. this is needed since the draw llvm paths will use the same code. effectively the proven llvmpipe code becomes gallivm.
Diffstat (limited to 'src/gallium/auxiliary/gallivm/instructionssoa.cpp')
-rw-r--r--src/gallium/auxiliary/gallivm/instructionssoa.cpp525
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 721b7d2d83..0000000000
--- 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;
- }
-}
-
-