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/*========================== begin_copyright_notice ============================
Copyright (C) 2025 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#ifndef IGCLLVM_IR_LLVMCONTEXT_H
#define IGCLLVM_IR_LLVMCONTEXT_H
#include "llvm/Config/llvm-config.h"
#include "llvm/IR/LLVMContext.h"
#include "Probe/Assertion.h"
namespace IGCLLVM {
inline void setOpaquePointers(llvm::LLVMContext *Ctx, const bool Enable) {
#if LLVM_VERSION_MAJOR < 17 || defined(IGC_LLVM_TRUNK_REVISION)
IGC_ASSERT_MESSAGE(Ctx, "Null LLVMContext pointer!");
#if LLVM_VERSION_MAJOR == 14
if (Enable)
Ctx->enableOpaquePointers();
#elif LLVM_VERSION_MAJOR >= 15
Ctx->setOpaquePointers(Enable);
#endif // LLVM_VERSION_MAJOR
#endif
};
} // end namespace IGCLLVM
namespace IGC {
inline bool canOverwriteLLVMCtxPtrMode(llvm::LLVMContext *Ctx, bool IGC_IsPointerModeAlreadySet) {
IGC_ASSERT_MESSAGE(Ctx, "Null LLVMContext pointer!");
#if LLVM_VERSION_MAJOR == 14
// With LLVM 14, we invoke a proper check for the -opaque-pointers CL
// option. Regardless of whether it's false by LLVM 14's default, or
// through an explicit setting, we deem it acceptable for IGC to
// override this when opaque pointers are force-enabled in experimental
// mode.
return Ctx->supportsTypedPointers();
#elif LLVM_VERSION_MAJOR == 15
// With LLVM 15-16, we should not trigger CL option evaluation, as the
// OPs mode will then get set as a permanent default. The only
// alternative is to use an API below, non-native for LLVM 16.
return !Ctx->hasSetOpaquePointersValue();
#elif LLVM_VERSION_MAJOR >= 16
// LLVM 16: we start removing switching between typed/opaque ptrs mode
// In order to prepare for full move to the opaque pointers.
// The first step is to get rid of .patches related to opaque pointers mode.
return !IGC_IsPointerModeAlreadySet;
#endif // LLVM_VERSION_MAJOR
}
} // end namespace IGC
#endif // IGCLLVM_IR_LLVMCONTEXT_H
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