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/*========================== begin_copyright_notice ============================
Copyright (C) 2025 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "Compiler/Optimizer/OpenCLPasses/DisableInlining/DisableInlining.h"
#include "Compiler/IGCPassSupport.h"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/IR/Function.h>
#include <llvm/IR/InstIterator.h>
#include <llvm/IR/Instructions.h>
#include "common/LLVMWarningsPop.hpp"
using namespace llvm;
using namespace IGC;
#define PASS_FLAG "igc-disable-inlining"
#define PASS_DESCRIPTION "Disable function inlining."
#define PASS_CFG_ONLY false
#define PASS_ANALYSIS false
IGC_INITIALIZE_PASS_BEGIN(DisableInlining, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
IGC_INITIALIZE_PASS_END(DisableInlining, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
char DisableInlining::ID = 0;
DisableInlining::DisableInlining() : FunctionPass(ID) {
initializeDisableInliningPass(*PassRegistry::getPassRegistry());
}
bool DisableInlining::runOnFunction(llvm::Function &F) {
if (F.isDeclaration() || F.hasFnAttribute(llvm::Attribute::NoInline)) {
return false;
}
if (F.hasFnAttribute(llvm::Attribute::AlwaysInline)) {
F.removeFnAttr(llvm::Attribute::AlwaysInline);
}
F.addFnAttr(llvm::Attribute::NoInline);
for (auto &I : llvm::instructions(F)) {
if (auto *CI = dyn_cast<CallInst>(&I)) {
if (CI->hasFnAttr(llvm::Attribute::AlwaysInline)) {
CI->removeFnAttr(llvm::Attribute::AlwaysInline);
}
}
}
return true;
}
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