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/*========================== begin_copyright_notice ============================
Copyright (C) 2025 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "common/LLVMWarningsPush.hpp"
#include "llvmWrapper/Transforms/Vectorize/VectorCombine.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Vectorize/VectorCombine.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/PostDominators.h"
#include "llvm/Analysis/DemandedBits.h"
#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/LoopAccessAnalysis.h"
#include "llvm/Analysis/ProfileSummaryInfo.h"
#include "llvm/Analysis/TargetLibraryInfo.h"
#include "llvm/Transforms/Utils/InjectTLIMappings.h"
#include "llvm/Analysis/TargetTransformInfo.h"
#include "llvm/Analysis/BasicAliasAnalysis.h"
#include "llvm/Analysis/OptimizationRemarkEmitter.h"
#include "llvm/Analysis/BlockFrequencyInfo.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Value.h"
#include "llvm/Pass.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/Transforms/Vectorize.h"
#include "llvmWrapper/Transforms/InitializePasses.h"
#include "common/LLVMWarningsPop.hpp"
#include "Compiler/IGCPassSupport.h"
using namespace llvm;
namespace IGCLLVM {
VectorCombineLegacyPassWrapper::VectorCombineLegacyPassWrapper() : FunctionPass(ID) {
initializeVectorCombineLegacyPassWrapperPass(*PassRegistry::getPassRegistry());
PB.registerModuleAnalyses(MAM);
PB.registerCGSCCAnalyses(CGAM);
PB.registerFunctionAnalyses(FAM);
PB.registerLoopAnalyses(LAM);
PB.crossRegisterProxies(LAM, FAM, CGAM, MAM);
}
bool VectorCombineLegacyPassWrapper::runOnFunction(Function &F) {
// The legacy pass manager implementation of the pass used to skip some functions. In the new pass manager
// implementation this is done globally through the pass manager. Check and skip explicitly here to preserve the old
// behavior.
if (skipFunction(F))
return false;
VectorCombinePass Implementation;
Implementation.run(F, FAM);
return true;
}
void VectorCombineLegacyPassWrapper::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<AssumptionCacheTracker>();
AU.addRequired<DominatorTreeWrapperPass>();
AU.addRequired<TargetTransformInfoWrapperPass>();
AU.addRequired<AAResultsWrapperPass>();
AU.setPreservesCFG();
AU.addPreserved<DominatorTreeWrapperPass>();
AU.addPreserved<GlobalsAAWrapperPass>();
AU.addPreserved<AAResultsWrapperPass>();
AU.addPreserved<BasicAAWrapperPass>();
FunctionPass::getAnalysisUsage(AU);
}
char VectorCombineLegacyPassWrapper::ID = 0;
Pass *createLegacyWrappedVectorCombinePass() { return new VectorCombineLegacyPassWrapper(); }
} // namespace IGCLLVM
using namespace IGCLLVM;
#define PASS_FLAG "vector-combine-legacy-wrapped"
#define PASS_DESCRIPTION "Optimize scalar/vector ops LPM Wrapped"
#define PASS_CFG_ONLY false
#define PASS_ANALYSIS false
IGC_INITIALIZE_PASS_BEGIN(VectorCombineLegacyPassWrapper, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
IGC_INITIALIZE_PASS_DEPENDENCY(AssumptionCacheTracker)
INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
IGC_INITIALIZE_PASS_END(VectorCombineLegacyPassWrapper, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
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