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#include "instructionssoa.h"
#include "storagesoa.h"
#include "pipe/p_shader_tokens.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/ParamAttrsList.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;
}
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::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::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;
}
void InstructionsSoa::end()
{
m_builder.CreateRetVoid();
}
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::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;
}
void InstructionsSoa::createFunctionMap()
{
m_functionsMap[TGSI_OPCODE_DP3] = "dp3";
}
llvm::Function * InstructionsSoa::function(int op)
{
if (m_functions.find(op) != m_functions.end())
return m_functions[op];
std::string name = m_functionsMap[op];
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;
}
llvm::Module * InstructionsSoa::currentModule() const
{
BasicBlock *block = m_builder.GetInsertBlock();
if (!block || !block->getParent())
return 0;
return block->getParent()->getParent();
}
void InstructionsSoa::createBuiltins()
{
m_builtins = createSoaBuiltins();
}
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);
std::vector<Value*> params;
llvm::Value *tmp = allocaTemp();
std::vector<Value*> indices;
indices.push_back(m_storage->constantInt(0));
indices.push_back(m_storage->constantInt(0));
GetElementPtrInst *getElem = new GetElementPtrInst(tmp,
indices.begin(),
indices.end(),
name("allocaPtr"),
m_builder.GetInsertBlock());
params.push_back(getElem);
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);
indices = std::vector<Value*>();
indices.push_back(m_storage->constantInt(0));
GetElementPtrInst *xElemPtr = new GetElementPtrInst(getElem,
m_storage->constantInt(0),
name("xPtr"),
m_builder.GetInsertBlock());
GetElementPtrInst *yElemPtr = new GetElementPtrInst(getElem,
m_storage->constantInt(1),
name("yPtr"),
m_builder.GetInsertBlock());
GetElementPtrInst *zElemPtr = new GetElementPtrInst(getElem,
m_storage->constantInt(2),
name("zPtr"),
m_builder.GetInsertBlock());
GetElementPtrInst *wElemPtr = new GetElementPtrInst(getElem,
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;
}
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());
return alloca;
}
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