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/*========================== begin_copyright_notice ============================
Copyright (C) 2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#ifndef IGCLLVM_IR_CONSTANTS_H
#define IGCLLVM_IR_CONSTANTS_H
#include "llvm/Config/llvm-config.h"
#include "llvm/IR/Constants.h"
#if LLVM_VERSION_MAJOR > 12
#include "llvm/Support/TypeSize.h"
#endif
namespace IGCLLVM
{
inline
#if LLVM_VERSION_MAJOR <= 12
unsigned
#else
llvm::ElementCount
#endif
getElementCount(const llvm::ConstantAggregateZero &C) {
#if LLVM_VERSION_MAJOR <= 12
return C.getNumElements();
#else
return C.getElementCount();
#endif
}
namespace ConstantExpr {
#if LLVM_VERSION_MAJOR < 11
inline llvm::Constant *getShuffleVector(llvm::Constant *V1,
llvm::Constant *V2, llvm::ArrayRef<uint64_t> Mask,
llvm::Type *OnlyIfReducedTy = nullptr) {
return llvm::ConstantExpr::getShuffleVector(V1, V2,
llvm::ConstantDataVector::get(V1->getContext(), Mask),
OnlyIfReducedTy);
}
#else
inline llvm::Constant *getShuffleVector(llvm::Constant *V1,
llvm::Constant *V2, uint64_t Mask,
llvm::Type *OnlyIfReducedTy = nullptr) {
return llvm::ConstantExpr::getShuffleVector(V1, V2,
static_cast<int>(Mask),
OnlyIfReducedTy);
}
#endif
}
namespace ConstantFixedVector
{
inline llvm::Constant *getSplatValue(llvm::ConstantVector *CV,
bool AllowUndefs = false) {
#if LLVM_VERSION_MAJOR < 10
if (!AllowUndefs)
CV->getSplatValue();
llvm::Constant *Elt = CV->getOperand(0);
for (unsigned I = 1, E = CV->getNumOperands(); I < E; ++I) {
llvm::Constant *OpC = CV->getOperand(I);
if (llvm::isa<llvm::UndefValue>(OpC))
continue;
if (llvm::isa<llvm::UndefValue>(Elt))
Elt = OpC;
if (OpC != Elt)
return nullptr;
}
return Elt;
#else
return CV->getSplatValue(AllowUndefs);
#endif
}
inline llvm::Constant *getSplat(unsigned NumElements, llvm::Constant *V) {
#if LLVM_VERSION_MAJOR < 11
return llvm::ConstantVector::getSplat(NumElements, V);
#elif LLVM_VERSION_MAJOR == 11
return llvm::ConstantVector::getSplat(
llvm::ElementCount{NumElements, /* IsScalable=*/false}, V);
#else
return llvm::ConstantVector::getSplat(
llvm::ElementCount::getFixed(NumElements), V);
#endif
}
}
namespace Constant {
inline llvm::Constant *getSplatValue(llvm::Constant *C,
bool AllowUndefs = false) {
#if LLVM_VERSION_MAJOR < 10
if (auto CV = llvm::dyn_cast<llvm::ConstantVector>(C))
return IGCLLVM::ConstantFixedVector::getSplatValue(CV, AllowUndefs);
return C->getSplatValue();
#else
return C->getSplatValue(AllowUndefs);
#endif
}
} // namespace Constant
}
#endif
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