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/*========================== begin_copyright_notice ============================
Copyright (C) 2023 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "Compiler/Optimizer/OpenCLPasses/HandleDevicelibAssert/HandleDevicelibAssert.hpp"
#include "Compiler/IGCPassSupport.h"
#include "common/LLVMWarningsPush.hpp"
#include <llvm/IR/Module.h>
#include <llvm/IR/Instructions.h>
#include "common/LLVMWarningsPop.hpp"
using namespace llvm;
using namespace IGC;
// Register pass to igc-opt
#define PASS_FLAG "igc-handle-devicelib-assert"
#define PASS_DESCRIPTION \
"Remove definition of __devicelib_assert_fail if provided by DPCPP, so that IGC builtin is used."
#define PASS_CFG_ONLY false
#define PASS_ANALYSIS false
IGC_INITIALIZE_PASS_BEGIN(HandleDevicelibAssert, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
IGC_INITIALIZE_PASS_END(HandleDevicelibAssert, PASS_FLAG, PASS_DESCRIPTION, PASS_CFG_ONLY, PASS_ANALYSIS)
char HandleDevicelibAssert::ID = 0;
static const char *ASSERT_FUNCTION_NAME = "__devicelib_assert_fail";
HandleDevicelibAssert::HandleDevicelibAssert() : ModulePass(ID) {
initializeHandleDevicelibAssertPass(*PassRegistry::getPassRegistry());
}
bool HandleDevicelibAssert::runOnModule(Module &M) {
bool changed = false;
for (Function &F : M) {
if (!F.getName().equals(ASSERT_FUNCTION_NAME))
continue;
if (F.isDeclaration())
continue;
F.deleteBody();
changed = true;
}
return changed;
}
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