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SPIRVReader.cpp
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SPIRVReader.cpp
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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2024 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
/*========================== begin_copyright_notice ============================
This file is distributed under the University of Illinois Open Source License.
See LICENSE.TXT for details.
============================= end_copyright_notice ===========================*/
/*========================== begin_copyright_notice ============================
Copyright (C) 2014 Advanced Micro Devices, Inc. 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 with the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
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:
Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimers.
Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimers in the documentation
and/or other materials provided with the distribution.
Neither the names of Advanced Micro Devices, Inc., nor the names of its
contributors may be used to endorse or promote products derived from this
Software without specific prior written permission.
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 NONINFRINGEMENT. IN NO EVENT SHALL THE
CONTRIBUTORS OR COPYRIGHT HOLDERS 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 WITH
THE SOFTWARE.
============================= end_copyright_notice ===========================*/
// This file implements conversion of SPIR-V binary to LLVM IR.
#include "common/LLVMWarningsPush.hpp"
#include "llvm/Config/llvm-config.h"
#include "llvmWrapper/IR/DerivedTypes.h"
#include "llvmWrapper/IR/Function.h"
#include "llvmWrapper/IR/IRBuilder.h"
#include "llvmWrapper/IR/DIBuilder.h"
#include "llvmWrapper/IR/InstrTypes.h"
#include <llvmWrapper/IR/BasicBlock.h>
#include "llvmWrapper/IR/Module.h"
#include "llvmWrapper/Support/Alignment.h"
#include "llvmWrapper/Support/TypeSize.h"
#include <llvm/Support/ScaledNumber.h>
#include <llvm/IR/IntrinsicInst.h>
#include <llvm/Analysis/CFG.h>
#include "libSPIRV/SPIRVDebugInfoExt.h"
#include "llvmWrapper/Transforms/Utils/Cloning.h"
#include "common/LLVMWarningsPop.hpp"
#include "libSPIRV/SPIRVAsm.h"
#include "llvm/IR/InlineAsm.h"
#include "libSPIRV/SPIRVFunction.h"
#include "libSPIRV/SPIRVInstruction.h"
#include "libSPIRV/SPIRVModule.h"
#include "libSPIRV/SPIRVMemAliasingINTEL.h"
#include "SPIRVInternal.h"
#include "common/MDFrameWork.h"
#include <llvm/Transforms/Scalar.h>
#include <llvm/IR/MDBuilder.h>
#include <iostream>
#include <fstream>
#include "Probe/Assertion.h"
using namespace llvm;
namespace igc_spv{
// Prefix for placeholder global variable name.
const char* kPlaceholderPrefix = "placeholder.";
#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
// Save the translated LLVM before validation for debugging purpose.
static bool DbgSaveTmpLLVM = false;
static const char *DbgTmpLLVMFileName = "_tmp_llvmspirv_module.ll";
#endif
static bool
isOpenCLKernel(SPIRVFunction *BF) {
return BF->getModule()->isEntryPoint(ExecutionModelKernel, BF->getId());
}
__attr_unused static void
dumpLLVM(Module *M, const std::string &FName) {
std::error_code EC;
raw_fd_ostream FS(FName, EC, sys::fs::OF_None);
if (!FS.has_error()) {
FS << *M;
}
FS.close();
}
static MDNode*
getMDNodeStringIntVec(LLVMContext *Context, llvm::StringRef Str,
const std::vector<SPIRVWord>& IntVals) {
std::vector<Metadata*> ValueVec;
ValueVec.push_back(MDString::get(*Context, Str));
for (auto &I:IntVals)
ValueVec.push_back(ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(*Context), I)));
return MDNode::get(*Context, ValueVec);
}
static MDNode*
getMDTwoInt(LLVMContext *Context, unsigned Int1, unsigned Int2) {
std::vector<Metadata*> ValueVec;
ValueVec.push_back(ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(*Context), Int1)));
ValueVec.push_back(ConstantAsMetadata::get(ConstantInt::get(Type::getInt32Ty(*Context), Int2)));
return MDNode::get(*Context, ValueVec);
}
static MDNode*
getMDString(LLVMContext *Context, llvm::StringRef Str) {
std::vector<Metadata*> ValueVec;
if (!Str.empty())
ValueVec.push_back(MDString::get(*Context, Str));
return MDNode::get(*Context, ValueVec);
}
static void
addOCLVersionMetadata(LLVMContext *Context, Module *M,
llvm::StringRef MDName, unsigned Major, unsigned Minor) {
NamedMDNode *NamedMD = M->getOrInsertNamedMetadata(MDName);
NamedMD->addOperand(getMDTwoInt(Context, Major, Minor));
}
static void
addNamedMetadataString(LLVMContext *Context, Module *M,
llvm::StringRef MDName, llvm::StringRef Str) {
NamedMDNode *NamedMD = M->getOrInsertNamedMetadata(MDName);
NamedMD->addOperand(getMDString(Context, Str));
}
static void addKernelArgumentMetadata(
LLVMContext* Context, const std::string& MDName, SPIRVFunction* BF,
llvm::Function* Fn,
std::function<Metadata* (SPIRVFunctionParameter*)> ForeachFnArg) {
std::vector<Metadata*> ValueVec;
BF->foreachArgument([&](SPIRVFunctionParameter* Arg) {
ValueVec.push_back(ForeachFnArg(Arg));
});
Fn->setMetadata(MDName, MDNode::get(*Context, ValueVec));
}
static void
addOCLKernelArgumentMetadata(LLVMContext *Context,
std::vector<llvm::Metadata*> &KernelMD, llvm::StringRef MDName,
SPIRVFunction *BF, std::function<Metadata *(SPIRVFunctionParameter *)>Func){
std::vector<Metadata*> ValueVec;
ValueVec.push_back(MDString::get(*Context, MDName));
BF->foreachArgument([&](SPIRVFunctionParameter *Arg) {
ValueVec.push_back(Func(Arg));
});
KernelMD.push_back(MDNode::get(*Context, ValueVec));
}
class SPIRVToLLVM;
class SPIRVToLLVMDbgTran {
public:
SPIRVToLLVMDbgTran(SPIRVModule *TBM, Module *TM, SPIRVToLLVM* s)
:BM(TBM), M(TM), SpDbg(BM), Builder(*M), SPIRVTranslator(s) {
Enable = BM->hasDebugInfo();
}
void addDbgInfoVersion() {
if (!Enable)
return;
M->addModuleFlag(Module::Warning, "Dwarf Version",
dwarf::DWARF_VERSION);
M->addModuleFlag(Module::Warning, "Debug Info Version",
DEBUG_METADATA_VERSION);
}
DIFile *getDIFile(const std::string &FileName){
return getOrInsert(FileMap, FileName, [=](){
std::string BaseName;
std::string Path;
splitFileName(FileName, BaseName, Path);
if (!BaseName.empty())
return Builder.createFile(BaseName, Path);
else
return Builder.createFile("", "");
});
}
DIFile* getDIFile(SPIRVString* inst)
{
if (!inst)
return nullptr;
return getDIFile(inst->getStr());
}
DIFile* getDIFile(SPIRVExtInst* inst)
{
OpDebugSource src(inst);
return getDIFile(src.getFileStr());
}
DICompileUnit* createCompileUnit() {
if (!Enable || cu)
return cu;
OpCompilationUnit cunit(BM->getCompilationUnit());
auto lang = convertSPIRVSourceLangToDWARF(cunit.getLang());
auto file = getDIFile(BM->get<SPIRVExtInst>(cunit.getSource()));
auto producer = findModuleProducer();
auto flags = "";
auto rv = 0;
cu = Builder.createCompileUnit(lang, file, producer, false, flags, rv);
addDbgInfoVersion();
return addMDNode(BM->getCompilationUnit(), cu);
}
std::string findModuleProducer() {
for (const auto& I : BM->getModuleProcessedVec()) {
if (I->getProcessStr().find(SPIRVDebug::ProducerPrefix) !=
std::string::npos) {
return I->getProcessStr().substr(SPIRVDebug::ProducerPrefix.size());
}
}
return "spirv";
}
DIExpression* createExpression(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIExpression*>(inst))
return n;
OpDebugExpression dbgExpr(inst);
auto numOperations = dbgExpr.getNumOperations();
llvm::SmallVector<uint64_t, 5> Exprs;
for (unsigned int i = 0; i != numOperations; ++i)
{
OpDebugOperation operation(BM->get<SPIRVExtInst>(dbgExpr.getOperation(i)));
SPIRVDebug::ExpressionOpCode op = (SPIRVDebug::ExpressionOpCode)operation.getOperation();
switch (op)
{
#define CASE(dwarfOp, SPIRVOp) case SPIRVOp: Exprs.push_back(dwarfOp); break;
CASE(dwarf::DW_OP_deref, SPIRVDebug::ExpressionOpCode::Deref);
CASE(dwarf::DW_OP_plus, SPIRVDebug::ExpressionOpCode::Plus);
CASE(dwarf::DW_OP_minus, SPIRVDebug::ExpressionOpCode::Minus);
CASE(dwarf::DW_OP_plus_uconst, SPIRVDebug::ExpressionOpCode::PlusUconst);
CASE(dwarf::DW_OP_bit_piece, SPIRVDebug::ExpressionOpCode::BitPiece);
CASE(dwarf::DW_OP_swap, SPIRVDebug::ExpressionOpCode::Swap);
CASE(dwarf::DW_OP_xderef, SPIRVDebug::ExpressionOpCode::Xderef);
CASE(dwarf::DW_OP_stack_value, SPIRVDebug::ExpressionOpCode::StackValue);
CASE(dwarf::DW_OP_constu, SPIRVDebug::ExpressionOpCode::Constu);
CASE(dwarf::DW_OP_LLVM_fragment, SPIRVDebug::ExpressionOpCode::Fragment);
CASE(dwarf::DW_OP_LLVM_convert, SPIRVDebug::ExpressionOpCode::Convert);
CASE(dwarf::DW_OP_addr, SPIRVDebug::ExpressionOpCode::Addr);
CASE(dwarf::DW_OP_const1u, SPIRVDebug::ExpressionOpCode::Const1u);
CASE(dwarf::DW_OP_const1s, SPIRVDebug::ExpressionOpCode::Const1s);
CASE(dwarf::DW_OP_const2u, SPIRVDebug::ExpressionOpCode::Const2u);
CASE(dwarf::DW_OP_const2s, SPIRVDebug::ExpressionOpCode::Const2s);
CASE(dwarf::DW_OP_const4u, SPIRVDebug::ExpressionOpCode::Const4u);
CASE(dwarf::DW_OP_const4s, SPIRVDebug::ExpressionOpCode::Const4s);
CASE(dwarf::DW_OP_const8u, SPIRVDebug::ExpressionOpCode::Const8u);
CASE(dwarf::DW_OP_const8s, SPIRVDebug::ExpressionOpCode::Const8s);
CASE(dwarf::DW_OP_consts, SPIRVDebug::ExpressionOpCode::Consts);
CASE(dwarf::DW_OP_dup, SPIRVDebug::ExpressionOpCode::Dup);
CASE(dwarf::DW_OP_drop, SPIRVDebug::ExpressionOpCode::Drop);
CASE(dwarf::DW_OP_over, SPIRVDebug::ExpressionOpCode::Over);
CASE(dwarf::DW_OP_pick, SPIRVDebug::ExpressionOpCode::Pick);
CASE(dwarf::DW_OP_rot, SPIRVDebug::ExpressionOpCode::Rot);
CASE(dwarf::DW_OP_abs, SPIRVDebug::ExpressionOpCode::Abs);
CASE(dwarf::DW_OP_and, SPIRVDebug::ExpressionOpCode::And);
CASE(dwarf::DW_OP_div, SPIRVDebug::ExpressionOpCode::Div);
CASE(dwarf::DW_OP_mod, SPIRVDebug::ExpressionOpCode::Mod);
CASE(dwarf::DW_OP_mul, SPIRVDebug::ExpressionOpCode::Mul);
CASE(dwarf::DW_OP_neg, SPIRVDebug::ExpressionOpCode::Neg);
CASE(dwarf::DW_OP_not, SPIRVDebug::ExpressionOpCode::Not);
CASE(dwarf::DW_OP_or, SPIRVDebug::ExpressionOpCode::Or);
CASE(dwarf::DW_OP_shl, SPIRVDebug::ExpressionOpCode::Shl);
CASE(dwarf::DW_OP_shr, SPIRVDebug::ExpressionOpCode::Shr);
CASE(dwarf::DW_OP_shra, SPIRVDebug::ExpressionOpCode::Shra);
CASE(dwarf::DW_OP_xor, SPIRVDebug::ExpressionOpCode::Xor);
CASE(dwarf::DW_OP_bra, SPIRVDebug::ExpressionOpCode::Bra);
CASE(dwarf::DW_OP_eq, SPIRVDebug::ExpressionOpCode::Eq);
CASE(dwarf::DW_OP_ge, SPIRVDebug::ExpressionOpCode::Ge);
CASE(dwarf::DW_OP_gt, SPIRVDebug::ExpressionOpCode::Gt);
CASE(dwarf::DW_OP_le, SPIRVDebug::ExpressionOpCode::Le);
CASE(dwarf::DW_OP_lt, SPIRVDebug::ExpressionOpCode::Lt);
CASE(dwarf::DW_OP_ne, SPIRVDebug::ExpressionOpCode::Ne);
CASE(dwarf::DW_OP_skip, SPIRVDebug::ExpressionOpCode::Skip);
CASE(dwarf::DW_OP_lit0, SPIRVDebug::ExpressionOpCode::Lit0);
CASE(dwarf::DW_OP_lit1, SPIRVDebug::ExpressionOpCode::Lit1);
CASE(dwarf::DW_OP_lit2, SPIRVDebug::ExpressionOpCode::Lit2);
CASE(dwarf::DW_OP_lit3, SPIRVDebug::ExpressionOpCode::Lit3);
CASE(dwarf::DW_OP_lit4, SPIRVDebug::ExpressionOpCode::Lit4);
CASE(dwarf::DW_OP_lit5, SPIRVDebug::ExpressionOpCode::Lit5);
CASE(dwarf::DW_OP_lit6, SPIRVDebug::ExpressionOpCode::Lit6);
CASE(dwarf::DW_OP_lit7, SPIRVDebug::ExpressionOpCode::Lit7);
CASE(dwarf::DW_OP_lit8, SPIRVDebug::ExpressionOpCode::Lit8);
CASE(dwarf::DW_OP_lit9, SPIRVDebug::ExpressionOpCode::Lit9);
CASE(dwarf::DW_OP_lit10, SPIRVDebug::ExpressionOpCode::Lit10);
CASE(dwarf::DW_OP_lit11, SPIRVDebug::ExpressionOpCode::Lit11);
CASE(dwarf::DW_OP_lit12, SPIRVDebug::ExpressionOpCode::Lit12);
CASE(dwarf::DW_OP_lit13, SPIRVDebug::ExpressionOpCode::Lit13);
CASE(dwarf::DW_OP_lit14, SPIRVDebug::ExpressionOpCode::Lit14);
CASE(dwarf::DW_OP_lit15, SPIRVDebug::ExpressionOpCode::Lit15);
CASE(dwarf::DW_OP_lit16, SPIRVDebug::ExpressionOpCode::Lit16);
CASE(dwarf::DW_OP_lit17, SPIRVDebug::ExpressionOpCode::Lit17);
CASE(dwarf::DW_OP_lit18, SPIRVDebug::ExpressionOpCode::Lit18);
CASE(dwarf::DW_OP_lit19, SPIRVDebug::ExpressionOpCode::Lit19);
CASE(dwarf::DW_OP_lit20, SPIRVDebug::ExpressionOpCode::Lit20);
CASE(dwarf::DW_OP_lit21, SPIRVDebug::ExpressionOpCode::Lit21);
CASE(dwarf::DW_OP_lit22, SPIRVDebug::ExpressionOpCode::Lit22);
CASE(dwarf::DW_OP_lit23, SPIRVDebug::ExpressionOpCode::Lit23);
CASE(dwarf::DW_OP_lit24, SPIRVDebug::ExpressionOpCode::Lit24);
CASE(dwarf::DW_OP_lit25, SPIRVDebug::ExpressionOpCode::Lit25);
CASE(dwarf::DW_OP_lit26, SPIRVDebug::ExpressionOpCode::Lit26);
CASE(dwarf::DW_OP_lit27, SPIRVDebug::ExpressionOpCode::Lit27);
CASE(dwarf::DW_OP_lit28, SPIRVDebug::ExpressionOpCode::Lit28);
CASE(dwarf::DW_OP_lit29, SPIRVDebug::ExpressionOpCode::Lit29);
CASE(dwarf::DW_OP_lit30, SPIRVDebug::ExpressionOpCode::Lit30);
CASE(dwarf::DW_OP_lit31, SPIRVDebug::ExpressionOpCode::Lit31);
CASE(dwarf::DW_OP_reg0, SPIRVDebug::ExpressionOpCode::Reg0);
CASE(dwarf::DW_OP_reg1, SPIRVDebug::ExpressionOpCode::Reg1);
CASE(dwarf::DW_OP_reg2, SPIRVDebug::ExpressionOpCode::Reg2);
CASE(dwarf::DW_OP_reg3, SPIRVDebug::ExpressionOpCode::Reg3);
CASE(dwarf::DW_OP_reg4, SPIRVDebug::ExpressionOpCode::Reg4);
CASE(dwarf::DW_OP_reg5, SPIRVDebug::ExpressionOpCode::Reg5);
CASE(dwarf::DW_OP_reg6, SPIRVDebug::ExpressionOpCode::Reg6);
CASE(dwarf::DW_OP_reg7, SPIRVDebug::ExpressionOpCode::Reg7);
CASE(dwarf::DW_OP_reg8, SPIRVDebug::ExpressionOpCode::Reg8);
CASE(dwarf::DW_OP_reg9, SPIRVDebug::ExpressionOpCode::Reg9);
CASE(dwarf::DW_OP_reg10, SPIRVDebug::ExpressionOpCode::Reg10);
CASE(dwarf::DW_OP_reg11, SPIRVDebug::ExpressionOpCode::Reg11);
CASE(dwarf::DW_OP_reg12, SPIRVDebug::ExpressionOpCode::Reg12);
CASE(dwarf::DW_OP_reg13, SPIRVDebug::ExpressionOpCode::Reg13);
CASE(dwarf::DW_OP_reg14, SPIRVDebug::ExpressionOpCode::Reg14);
CASE(dwarf::DW_OP_reg15, SPIRVDebug::ExpressionOpCode::Reg15);
CASE(dwarf::DW_OP_reg16, SPIRVDebug::ExpressionOpCode::Reg16);
CASE(dwarf::DW_OP_reg17, SPIRVDebug::ExpressionOpCode::Reg17);
CASE(dwarf::DW_OP_reg18, SPIRVDebug::ExpressionOpCode::Reg18);
CASE(dwarf::DW_OP_reg19, SPIRVDebug::ExpressionOpCode::Reg19);
CASE(dwarf::DW_OP_reg20, SPIRVDebug::ExpressionOpCode::Reg20);
CASE(dwarf::DW_OP_reg21, SPIRVDebug::ExpressionOpCode::Reg21);
CASE(dwarf::DW_OP_reg22, SPIRVDebug::ExpressionOpCode::Reg22);
CASE(dwarf::DW_OP_reg23, SPIRVDebug::ExpressionOpCode::Reg23);
CASE(dwarf::DW_OP_reg24, SPIRVDebug::ExpressionOpCode::Reg24);
CASE(dwarf::DW_OP_reg25, SPIRVDebug::ExpressionOpCode::Reg25);
CASE(dwarf::DW_OP_reg26, SPIRVDebug::ExpressionOpCode::Reg26);
CASE(dwarf::DW_OP_reg27, SPIRVDebug::ExpressionOpCode::Reg27);
CASE(dwarf::DW_OP_reg28, SPIRVDebug::ExpressionOpCode::Reg28);
CASE(dwarf::DW_OP_reg29, SPIRVDebug::ExpressionOpCode::Reg29);
CASE(dwarf::DW_OP_reg30, SPIRVDebug::ExpressionOpCode::Reg30);
CASE(dwarf::DW_OP_reg31, SPIRVDebug::ExpressionOpCode::Reg31);
CASE(dwarf::DW_OP_breg0, SPIRVDebug::ExpressionOpCode::Breg0);
CASE(dwarf::DW_OP_breg1, SPIRVDebug::ExpressionOpCode::Breg1);
CASE(dwarf::DW_OP_breg2, SPIRVDebug::ExpressionOpCode::Breg2);
CASE(dwarf::DW_OP_breg3, SPIRVDebug::ExpressionOpCode::Breg3);
CASE(dwarf::DW_OP_breg4, SPIRVDebug::ExpressionOpCode::Breg4);
CASE(dwarf::DW_OP_breg5, SPIRVDebug::ExpressionOpCode::Breg5);
CASE(dwarf::DW_OP_breg6, SPIRVDebug::ExpressionOpCode::Breg6);
CASE(dwarf::DW_OP_breg7, SPIRVDebug::ExpressionOpCode::Breg7);
CASE(dwarf::DW_OP_breg8, SPIRVDebug::ExpressionOpCode::Breg8);
CASE(dwarf::DW_OP_breg9, SPIRVDebug::ExpressionOpCode::Breg9);
CASE(dwarf::DW_OP_breg10, SPIRVDebug::ExpressionOpCode::Breg10);
CASE(dwarf::DW_OP_breg11, SPIRVDebug::ExpressionOpCode::Breg11);
CASE(dwarf::DW_OP_breg12, SPIRVDebug::ExpressionOpCode::Breg12);
CASE(dwarf::DW_OP_breg13, SPIRVDebug::ExpressionOpCode::Breg13);
CASE(dwarf::DW_OP_breg14, SPIRVDebug::ExpressionOpCode::Breg14);
CASE(dwarf::DW_OP_breg15, SPIRVDebug::ExpressionOpCode::Breg15);
CASE(dwarf::DW_OP_breg16, SPIRVDebug::ExpressionOpCode::Breg16);
CASE(dwarf::DW_OP_breg17, SPIRVDebug::ExpressionOpCode::Breg17);
CASE(dwarf::DW_OP_breg18, SPIRVDebug::ExpressionOpCode::Breg18);
CASE(dwarf::DW_OP_breg19, SPIRVDebug::ExpressionOpCode::Breg19);
CASE(dwarf::DW_OP_breg20, SPIRVDebug::ExpressionOpCode::Breg20);
CASE(dwarf::DW_OP_breg21, SPIRVDebug::ExpressionOpCode::Breg21);
CASE(dwarf::DW_OP_breg22, SPIRVDebug::ExpressionOpCode::Breg22);
CASE(dwarf::DW_OP_breg23, SPIRVDebug::ExpressionOpCode::Breg23);
CASE(dwarf::DW_OP_breg24, SPIRVDebug::ExpressionOpCode::Breg24);
CASE(dwarf::DW_OP_breg25, SPIRVDebug::ExpressionOpCode::Breg25);
CASE(dwarf::DW_OP_breg26, SPIRVDebug::ExpressionOpCode::Breg26);
CASE(dwarf::DW_OP_breg27, SPIRVDebug::ExpressionOpCode::Breg27);
CASE(dwarf::DW_OP_breg28, SPIRVDebug::ExpressionOpCode::Breg28);
CASE(dwarf::DW_OP_breg29, SPIRVDebug::ExpressionOpCode::Breg29);
CASE(dwarf::DW_OP_breg30, SPIRVDebug::ExpressionOpCode::Breg30);
CASE(dwarf::DW_OP_breg31, SPIRVDebug::ExpressionOpCode::Breg31);
CASE(dwarf::DW_OP_regx, SPIRVDebug::ExpressionOpCode::Regx);
CASE(dwarf::DW_OP_fbreg, SPIRVDebug::ExpressionOpCode::Fbreg);
CASE(dwarf::DW_OP_bregx, SPIRVDebug::ExpressionOpCode::Bregx);
CASE(dwarf::DW_OP_piece, SPIRVDebug::ExpressionOpCode::Piece);
CASE(dwarf::DW_OP_deref_size, SPIRVDebug::ExpressionOpCode::DerefSize);
CASE(dwarf::DW_OP_xderef_size, SPIRVDebug::ExpressionOpCode::XderefSize);
CASE(dwarf::DW_OP_nop, SPIRVDebug::ExpressionOpCode::Nop);
CASE(dwarf::DW_OP_push_object_address, SPIRVDebug::ExpressionOpCode::PushObjectAddress);
CASE(dwarf::DW_OP_call2, SPIRVDebug::ExpressionOpCode::Call2);
CASE(dwarf::DW_OP_call4, SPIRVDebug::ExpressionOpCode::Call4);
CASE(dwarf::DW_OP_call_ref, SPIRVDebug::ExpressionOpCode::CallRef);
CASE(dwarf::DW_OP_form_tls_address, SPIRVDebug::ExpressionOpCode::FormTlsAddress);
CASE(dwarf::DW_OP_call_frame_cfa, SPIRVDebug::ExpressionOpCode::CallFrameCfa);
CASE(dwarf::DW_OP_implicit_value, SPIRVDebug::ExpressionOpCode::ImplicitValue);
CASE(dwarf::DW_OP_implicit_pointer, SPIRVDebug::ExpressionOpCode::ImplicitPointer);
CASE(dwarf::DW_OP_addrx, SPIRVDebug::ExpressionOpCode::Addrx);
CASE(dwarf::DW_OP_constx, SPIRVDebug::ExpressionOpCode::Constx);
CASE(dwarf::DW_OP_entry_value, SPIRVDebug::ExpressionOpCode::EntryValue);
CASE(dwarf::DW_OP_const_type, SPIRVDebug::ExpressionOpCode::ConstTypeOp);
CASE(dwarf::DW_OP_regval_type, SPIRVDebug::ExpressionOpCode::RegvalType);
CASE(dwarf::DW_OP_deref_type, SPIRVDebug::ExpressionOpCode::DerefType);
CASE(dwarf::DW_OP_xderef_type, SPIRVDebug::ExpressionOpCode::XderefType);
CASE(dwarf::DW_OP_reinterpret, SPIRVDebug::ExpressionOpCode::Reinterpret);
default:
break;
}
unsigned int numOperands = 0;
if (SPIRVDebug::OpCountMap.find(op) != SPIRVDebug::OpCountMap.end())
numOperands = SPIRVDebug::OpCountMap[op];
if (numOperands > 0)
{
for (unsigned int j = 1; j != numOperands; ++j)
{
Exprs.push_back(operation.getLiteral(j));
}
}
}
return addMDNode(inst, Builder.createExpression(Exprs));
}
DINode::DIFlags static decodeFlag(SPIRVWord spirvFlags)
{
DINode::DIFlags flags = DINode::FlagZero;
if (spirvFlags & SPIRVDebug::FlagIsArtificial)
flags |= llvm::DINode::FlagArtificial;
if (spirvFlags & SPIRVDebug::FlagIsExplicit)
flags |= llvm::DINode::FlagExplicit;
if (spirvFlags & SPIRVDebug::FlagIsPrototyped)
flags |= llvm::DINode::FlagPrototyped;
if (spirvFlags & SPIRVDebug::FlagIsLValueReference)
flags |= llvm::DINode::FlagLValueReference;
if (spirvFlags & SPIRVDebug::FlagIsRValueReference)
flags |= llvm::DINode::FlagRValueReference;
if ((spirvFlags & SPIRVDebug::FlagAccess) == SPIRVDebug::FlagIsPublic)
flags |= llvm::DINode::FlagPublic;
if ((spirvFlags & SPIRVDebug::FlagAccess) == SPIRVDebug::FlagIsProtected)
flags |= llvm::DINode::FlagProtected;
if ((spirvFlags & SPIRVDebug::FlagAccess) == SPIRVDebug::FlagIsPrivate)
flags |= llvm::DINode::FlagPrivate;
if (spirvFlags & SPIRVDebug::FlagIsObjectPointer)
flags |= llvm::DINode::FlagObjectPointer;
if (spirvFlags & SPIRVDebug::FlagIsStaticMember)
flags |= llvm::DINode::FlagStaticMember;
if (spirvFlags & SPIRVDebug::FlagTypePassByValue)
flags |= llvm::DINode::FlagTypePassByValue;
if (spirvFlags & SPIRVDebug::FlagTypePassByReference)
flags |= llvm::DINode::FlagTypePassByReference;
if (spirvFlags & SPIRVDebug::FlagIsFwdDecl)
flags |= llvm::DINode::FlagFwdDecl;
return flags;
}
DIType* createTypeBasic(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIType*>(inst))
return n;
OpDebugTypeBasic type(inst);
uint64_t sizeInBits = type.getSize();
unsigned int encoding;
auto enc = type.getEncoding();
auto& name = type.getName()->getStr();
switch (enc)
{
case SPIRVDebug::EncodingTag::Boolean:
encoding = dwarf::DW_ATE_boolean;
break;
case SPIRVDebug::EncodingTag::Address:
encoding = dwarf::DW_ATE_address;
break;
case SPIRVDebug::EncodingTag::Float:
encoding = dwarf::DW_ATE_float;
break;
case SPIRVDebug::EncodingTag::Signed:
encoding = dwarf::DW_ATE_signed;
break;
case SPIRVDebug::EncodingTag::Unsigned:
encoding = dwarf::DW_ATE_unsigned;
break;
case SPIRVDebug::EncodingTag::SignedChar:
encoding = dwarf::DW_ATE_signed_char;
break;
case SPIRVDebug::EncodingTag::UnsignedChar:
encoding = dwarf::DW_ATE_unsigned_char;
break;
default:
return addMDNode(inst, Builder.createUnspecifiedType(name));
}
return addMDNode(inst, Builder.createBasicType(name, sizeInBits, encoding));
}
DIType* createPtrType(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIType*>(inst))
return n;
OpDebugPtrType ptrType(inst);
auto pointeeType = createType(BM->get<SPIRVExtInst>(ptrType.getBaseType()));
auto storageClass = ptrType.getStorageClass();
auto flags = ptrType.getFlags();
if (flags & SPIRVDebug::Flag::FlagIsLValueReference)
return addMDNode(inst, Builder.createReferenceType(dwarf::DW_TAG_reference_type, pointeeType, M->getDataLayout().getPointerSizeInBits(), 0, storageClass));
else if (flags & SPIRVDebug::Flag::FlagIsRValueReference)
return addMDNode(inst, Builder.createReferenceType(dwarf::DW_TAG_rvalue_reference_type, pointeeType, M->getDataLayout().getPointerSizeInBits(), 0, storageClass));
else if (flags & SPIRVDebug::Flag::FlagIsObjectPointer)
{
auto objType = Builder.createPointerType(pointeeType, M->getDataLayout().getPointerSizeInBits(), 0, storageClass);
return addMDNode(inst, Builder.createObjectPointerType(objType));
}
else
return addMDNode(inst, Builder.createPointerType(pointeeType, M->getDataLayout().getPointerSizeInBits(),0,storageClass));
}
DIType* createTypeQualifier(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIType*>(inst))
return n;
OpDebugTypeQualifier qualType(inst);
auto baseType = createType(BM->get<SPIRVExtInst>(qualType.getBaseType()));
auto qual = qualType.getQualifier();
unsigned int qualifier = 0;
if (qual == OpDebugTypeQualifier::TypeQualifier::qual_const)
qualifier = dwarf::DW_TAG_const_type;
else if (qual == OpDebugTypeQualifier::TypeQualifier::qual_restrict)
qualifier = dwarf::DW_TAG_restrict_type;
else if (qual == OpDebugTypeQualifier::TypeQualifier::qual_volatile)
qualifier = dwarf::DW_TAG_volatile_type;
return addMDNode(inst, Builder.createQualifiedType(qualifier, baseType));
}
uint64_t static getSizeInBits(DIType* type)
{
if (!type)
return 0;
auto Tag = type->getTag();
if (Tag != dwarf::DW_TAG_member && Tag != dwarf::DW_TAG_typedef &&
Tag != dwarf::DW_TAG_const_type && Tag != dwarf::DW_TAG_volatile_type &&
Tag != dwarf::DW_TAG_restrict_type)
return type->getSizeInBits();
if (isa<llvm::DIBasicType>(type))
return type->getSizeInBits();
else if (auto DITy = dyn_cast_or_null<llvm::DIDerivedType>(type))
{
auto baseType = DITy->getBaseType();
return getSizeInBits(baseType);
}
else if (auto CTy = dyn_cast_or_null<llvm::DICompositeType>(type))
{
auto baseType = CTy->getBaseType();
return getSizeInBits(baseType);
}
return 0;
}
DIType* createMember(SPIRVExtInst* inst);
Metadata* createArrayBound(SPIRVId id, int64_t& intResult)
{
SPIRVEntry* e = BM->get<SPIRVEntry>(id);
switch (e->getOpCode())
{
case OpConstant:
intResult = static_cast<SPIRVConstant*>(e)->getZExtIntValue();
return nullptr;
case OpExtInst:
{
SPIRVExtInst* ext = static_cast<SPIRVExtInst*>(e);
switch (ext->getExtOp())
{
case OCLExtOpDbgKind::DebugInfoNone:
return nullptr;
case OCLExtOpDbgKind::LocalVariable:
return createLocalVar(ext);
case OCLExtOpDbgKind::DbgExpr:
return createExpression(ext);
default:
llvm_unreachable("Unknown array bound");
return nullptr;
}
}
default:
llvm_unreachable("Unknown array bound");
return nullptr;
}
}
DIType* createTypeArray(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIType*>(inst))
return n;
OpDebugTypeArray arrayType(inst);
auto baseType = createType(BM->get<SPIRVExtInst>(arrayType.getBaseType()));
auto numDims = arrayType.getNumDims();
SmallVector<llvm::Metadata *, 8> subscripts;
uint64_t totalBits = getSizeInBits(baseType);
for (unsigned int i = 0; i < numDims; i++)
{
int64_t loConst = 0;
Metadata* loExpr = arrayType.hasLowerBounds() ? createArrayBound(arrayType.getDimLowerBound(i), loConst) : nullptr;
int64_t countConst = 0;
Metadata* countExpr = createArrayBound(arrayType.getDimCount(i), countConst);
DISubrange* subrange;
(void) loExpr;
#if LLVM_VERSION_MAJOR >= 11
if (loExpr)
{
if (!countExpr)
{
totalBits *= static_cast<uint64_t>(countConst);
countExpr = ConstantAsMetadata::get(ConstantInt::get(Type::getInt64Ty(M->getContext()), countConst));
}
subrange = Builder.getOrCreateSubrange(nullptr, loExpr, countExpr, nullptr);
}
else
#endif
if (countExpr)
subrange = Builder.getOrCreateSubrange(loConst, countExpr);
else
{
totalBits *= static_cast<uint64_t>(countConst);
subrange = Builder.getOrCreateSubrange(loConst, countConst);
}
subscripts.push_back(subrange);
}
DINodeArray subscriptArray = Builder.getOrCreateArray(subscripts);
return addMDNode(inst, Builder.createArrayType(totalBits, 0, baseType, subscriptArray));
}
DIType* createTypeVector(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIType*>(inst))
return n;
OpDebugTypeVector vectorType(inst);
auto size = vectorType.getNumComponents();
auto type = createType(BM->get<SPIRVExtInst>(vectorType.getBaseType()));
SmallVector<llvm::Metadata *, 8> subscripts;
subscripts.push_back(Builder.getOrCreateSubrange(0, size));
DINodeArray subscriptArray = Builder.getOrCreateArray(subscripts);
return addMDNode(inst, Builder.createVectorType(size * getSizeInBits(type), 0, type, subscriptArray));
}
DIType* createTypeDef(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIType*>(inst))
return n;
OpDebugTypeDef typeDef(inst);
auto type = createType(BM->get<SPIRVExtInst>(typeDef.getBaseType()));
auto& name = typeDef.getName()->getStr();
auto file = getDIFile(BM->get<SPIRVExtInst>(typeDef.getSource()));
auto line = typeDef.getLine();
auto scopeContext = createScope(BM->get<SPIRVExtInst>(typeDef.getParent()));
return addMDNode(inst, Builder.createTypedef(type, name, file, line, scopeContext));
}
DIType* createTypeEnum(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIType*>(inst))
return n;
OpDebugTypeEnum typeEnum(inst);
auto scope = createScope(BM->get<SPIRVExtInst>(typeEnum.getParent()));
auto& name = typeEnum.getName()->getStr();
auto file = getDIFile(BM->get<SPIRVExtInst>(typeEnum.getSource()));
auto line = typeEnum.getLine();
auto size = typeEnum.getSize();
auto type = createType(BM->get<SPIRVExtInst>(typeEnum.getType()));
SmallVector<Metadata*,6> elements;
for (unsigned int i = 0; i != typeEnum.getNumItems(); i++)
{
auto item = typeEnum.getItem(i);
auto enumerator = Builder.createEnumerator(item.first->getStr(), item.second);
elements.push_back(enumerator);
}
auto nodeArray = Builder.getOrCreateArray(llvm::makeArrayRef(elements));
return addMDNode(inst, Builder.createEnumerationType(scope, name, file, line, size, 0, nodeArray, type));
}
DIType* createCompositeType(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIType*>(inst))
return n;
OpDebugTypeComposite compositeType(inst);
auto tag = compositeType.getTag();
auto& name = compositeType.getName()->getStr();
auto file = getDIFile(BM->get<SPIRVExtInst>(compositeType.getSource()));
auto line = compositeType.getLine();
auto size = compositeType.getSize();
auto spirvFlags = compositeType.getFlags();
auto scope = createScope(BM->get<SPIRVExtInst>(compositeType.getParent()));
DINode::DIFlags flags = decodeFlag(spirvFlags);
if (!scope)
scope = cu;
#if 0
// SPIRV spec has single parent field whereas LLVM DIBuilder API requires Scope as well as DerivedFrom.
// What is expected behavior?
// parent may be OpDebugCompilationUnit/OpDebugFunction/OpDebugLexicalBlock/OpDebugTypeComposite
DIType* from = nullptr;
auto parentInst = BM->get<SPIRVExtInst>(parent);
if (parentInst->getExtOp() == OCLExtOpDbgKind::CompileUnit)
from = nullptr;
else if (parentInst->getExtOp() == OCLExtOpDbgKind::Function)
from = nullptr;//createFunction(parentInst);
else if (parentInst->getExtOp() == OCLExtOpDbgKind::LexicalBlock)
from = nullptr; //createLexicalBlock(parentInst);
else if (parentInst->getExtOp() == OCLExtOpDbgKind::TypeComposite)
from = createCompositeType(parentInst);
#endif
DIType* derivedFrom = nullptr;
DICompositeType* newNode = nullptr;
if (tag == SPIRVDebug::CompositeTypeTag::Structure)
{
newNode = addMDNode(inst, Builder.createStructType(scope, name,
file, line, size, 0, flags, derivedFrom, DINodeArray()));
}
else if (tag == SPIRVDebug::CompositeTypeTag::Union)
{
newNode = addMDNode(inst, Builder.createUnionType(scope, name,
file, line, size, 0, flags, DINodeArray()));
}
else if (tag == SPIRVDebug::CompositeTypeTag::Class)
{
// TODO: should be replaced with createClassType, when bug with creating
// ClassType with llvm::dwarf::DW_TAG_struct_type tag will be fixed
auto CT = Builder.createReplaceableCompositeType(
llvm::dwarf::DW_TAG_class_type, name, scope, file, line, 0,
size, 0, flags);
CT = llvm::MDNode::replaceWithDistinct(llvm::TempDICompositeType(CT));
newNode = addMDNode(inst, CT);
}
SmallVector<Metadata*, 6> elements;
for (unsigned int i = 0; i != compositeType.getNumItems(); i++)
{
auto member = static_cast<SPIRVExtInst*>(BM->getEntry(compositeType.getItem(i)));
elements.push_back(createType(member));
}
DINodeArray Elements = Builder.getOrCreateArray(elements);
Builder.replaceArrays(newNode, Elements);
return newNode;
}
DIType* createTypeInherit(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIType*>(inst))
return n;
OpDebugTypeInheritance typeInherit(inst);
auto type = createType(BM->get<SPIRVExtInst>(typeInherit.getChild()));
auto base = createType(BM->get<SPIRVExtInst>(typeInherit.getParent()));
auto offset = typeInherit.getOffset();
auto spirvFlags = typeInherit.getFlags();
auto flags = decodeFlag(spirvFlags);
return addMDNode(inst, Builder.createInheritance(type, base, offset, flags));
}
DIType* createPtrToMember(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIType*>(inst))
return n;
OpDebugPtrToMember ptrToMember(inst);
auto pointee = createType(BM->get<SPIRVExtInst>(ptrToMember.getType()));
auto Class = createType(BM->get<SPIRVExtInst>(ptrToMember.getParent()));
auto size = M->getDataLayout().getPointerSizeInBits();
return addMDNode(inst, Builder.createMemberPointerType(pointee, Class, size));
}
DITemplateParameter* createTemplateParm(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DITemplateParameter*>(inst))
return n;
auto templateOp = inst->getExtOp();
if (templateOp == OCLExtOpDbgKind::TypeTemplateParameter)
{
OpDebugTypeTemplateParm parm(inst);
auto actualType = createType(BM->get<SPIRVExtInst>(parm.getActualType()));
if (!parm.hasValue())
{
return addMDNode(inst, Builder.createTemplateTypeParameter(cu, parm.getName()->getStr(),
actualType));
}
else
{
auto val = parm.getValue();
auto constant = ConstantInt::get(Type::getInt64Ty(M->getContext()), val);
return addMDNode(inst, Builder.createTemplateValueParameter(cu, parm.getName()->getStr(),
actualType, constant));
}
}
else if (templateOp == OCLExtOpDbgKind::TypeTemplateTemplateParameter)
{
OpDebugTypeTemplateParmPack parmPack(inst);
auto& name = parmPack.getName()->getStr();
SmallVector<llvm::Metadata *, 8> Elts;
for (unsigned int i = 0; i != parmPack.getNumParms(); i++) {
Elts.push_back(createTemplateParm(BM->get<SPIRVExtInst>(parmPack.getParm(i))));
}
DINodeArray pack = Builder.getOrCreateArray(Elts);
return addMDNode(inst, Builder.createTemplateParameterPack(cu, name, nullptr, pack));
}
else if (templateOp == OCLExtOpDbgKind::TypeTemplateParameterPack)
{
OpDebugTypeTemplateTemplateParm tempTempParm(inst);
auto& name = tempTempParm.getName()->getStr();
auto& templName = tempTempParm.getTemplateName()->getStr();
return addMDNode(inst, Builder.createTemplateTemplateParameter(cu, name, nullptr, templName));
}
return nullptr;
}
MDNode* createTypeTemplate(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DITemplateParameter*>(inst))
return n;
OpDebugTypeTemplate typeTemplate(inst);
auto target = createType(BM->get<SPIRVExtInst>(typeTemplate.getTarget()));
SmallVector<llvm::Metadata *, 8> Elts;
for (unsigned int i = 0; i != typeTemplate.getNumParms(); i++)
{
auto parm = BM->get<SPIRVExtInst>(typeTemplate.getParm(i));
Elts.push_back(createTemplateParm(parm));
}
DINodeArray TParams = Builder.getOrCreateArray(Elts);
if (DICompositeType *Comp = dyn_cast<DICompositeType>(target)) {
Builder.replaceArrays(Comp, Comp->getElements(), TParams);
return Comp;
}
if (isa<DISubprogram>(target)) {
// This constant matches with one used in
// DISubprogram::getRawTemplateParams()
const unsigned TemplateParamsIndex = 9;
target->replaceOperandWith(TemplateParamsIndex, TParams.get());
IGC_ASSERT_MESSAGE(cast<DISubprogram>(target)->getRawTemplateParams() == TParams.get(), "Invalid template parameters");
return target;
}
return nullptr;
}
DIType* createType(SPIRVExtInst* type)
{
if (!type)
{
// return void type
return Builder.createNullPtrType();
}
if (auto n = getExistingNode<DIType*>(type))
return n;
switch (type->getExtOp())
{
case OCLExtOpDbgKind::TypeBasic:
return createTypeBasic(type);
case OCLExtOpDbgKind::TypePtr:
return createPtrType(type);
case OCLExtOpDbgKind::TypeComposite:
return createCompositeType(type);
case OCLExtOpDbgKind::TypeQualifier:
return createTypeQualifier(type);
case OCLExtOpDbgKind::TypeArray:
return createTypeArray(type);
case OCLExtOpDbgKind::TypeVector:
return createTypeVector(type);
case OCLExtOpDbgKind::TypeDef:
return createTypeDef(type);
case OCLExtOpDbgKind::TypeEnum:
return createTypeEnum(type);
case OCLExtOpDbgKind::TypeInheritance:
return createTypeInherit(type);
case OCLExtOpDbgKind::TypePtrToMember:
return createPtrToMember(type);
case OCLExtOpDbgKind::TypeFunction:
return createSubroutineType(type);
case OCLExtOpDbgKind::TypeTemplate:
return (DIType*)createTypeTemplate(type);
case OCLExtOpDbgKind::Function:
return (DIType*)createFunction(type);
case OCLExtOpDbgKind::TypeMember:
return createMember(type);
case OCLExtOpDbgKind::FuncDecl:
return (DIType*)createFunctionDecl(type);
case OCLExtOpDbgKind::DebugInfoNone:
return Builder.createUnspecifiedType("unspecified_type");
default:
break;
}
return addMDNode(type, Builder.createBasicType("int", 4, 0));
}
DIGlobalVariable* createGlobalVariable(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DIGlobalVariable*>(inst))
return n;
OpDebugGlobalVar globalVar(inst);
auto& name = globalVar.getName()->getStr();
auto& linkageName = globalVar.getLinkageName()->getStr();
auto file = getDIFile(BM->get<SPIRVExtInst>(globalVar.getSource()));
auto line = globalVar.getLine();
auto type = createType(BM->get<SPIRVExtInst>(globalVar.getType()));
return addMDNode(inst, Builder.createTempGlobalVariableFwdDecl(getCompileUnit(), name, linkageName, file,
(unsigned int)line, type, true));
}
DISubprogram* createFunctionDecl(SPIRVExtInst* inst)
{
if (auto n = getExistingNode<DISubprogram*>(inst))
return n;
OpDebugFuncDecl funcDcl(inst);
auto scope = createScope(BM->get<SPIRVExtInst>(funcDcl.getParent()));
auto& name = funcDcl.getName()->getStr();
auto& linkageName = funcDcl.getLinkageName()->getStr();