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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/Scalar/AlignmentFromAssumptions.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Scalar/AlignmentFromAssumptions.h"
#include "llvm/Analysis/AssumptionCache.h"
#include "llvm/Analysis/GlobalsModRef.h"
#include "llvm/Analysis/PostDominators.h"
#include "llvm/Analysis/ScalarEvolution.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/Scalar.h"
#include "llvmWrapper/Transforms/InitializePasses.h"
#include "common/LLVMWarningsPop.hpp"
#include "Compiler/IGCPassSupport.h"
using namespace llvm;
namespace IGCLLVM {
AlignmentFromAssumptionsLegacyPassWrapper::AlignmentFromAssumptionsLegacyPassWrapper() : FunctionPass(ID) {
initializeAlignmentFromAssumptionsLegacyPassWrapperPass(*PassRegistry::getPassRegistry());
PB.registerFunctionAnalyses(FAM);
}
bool AlignmentFromAssumptionsLegacyPassWrapper::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;
AlignmentFromAssumptionsPass Implementation;
Implementation.run(F, FAM);
return true;
}
void AlignmentFromAssumptionsLegacyPassWrapper::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<AssumptionCacheTracker>();
AU.addRequired<ScalarEvolutionWrapperPass>();
AU.addRequired<DominatorTreeWrapperPass>();
AU.setPreservesCFG();
AU.addPreserved<AAResultsWrapperPass>();
AU.addPreserved<GlobalsAAWrapperPass>();
AU.addPreserved<LoopInfoWrapperPass>();
AU.addPreserved<DominatorTreeWrapperPass>();
AU.addPreserved<ScalarEvolutionWrapperPass>();
}
char AlignmentFromAssumptionsLegacyPassWrapper::ID = 0;
FunctionPass *createLegacyWrappedAlignmentFromAssumptionsPass() {
return new AlignmentFromAssumptionsLegacyPassWrapper();
}
} // namespace IGCLLVM
using namespace IGCLLVM;
#define PASS_FLAG "alignment-from-assumptions-legacy-wrapped"
#define PASS_DESCRIPTION "Alignment from assumptions LPM Wrapped"
#define PASS_CFG_ONLY false
#define PASS_ANALYSIS false
IGC_INITIALIZE_PASS_BEGIN(AlignmentFromAssumptionsLegacyPassWrapper, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY,
PASS_ANALYSIS)
IGC_INITIALIZE_PASS_DEPENDENCY(AssumptionCacheTracker)
IGC_INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
IGC_INITIALIZE_PASS_DEPENDENCY(ScalarEvolutionWrapperPass)
IGC_INITIALIZE_PASS_END(AlignmentFromAssumptionsLegacyPassWrapper, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY,
PASS_ANALYSIS)
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