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/*========================== begin_copyright_notice ============================
Copyright (C) 2022 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
////////////////////////////////////////////////////////////////////////////
// @brief Converts extracts of elements from corresponding RuntimeValue
// vector to RuntimeValue calls returning concrete scalars.
// Only extracts using constant indexes are converted.
// Only 32-bit and 64-bit RuntimeValues are supported at the moment.
//
// Replace:
// %0 = call <8 x i32> @llvm.genx.GenISA.RuntimeValue.v8i32(i32 4)
// %scalar = extractelement <8 x i32> %0, i32 0
// %scalar1 = extractelement <8 x i32> %0, i32 1
// with:
// %scalar = call i32 @llvm.genx.GenISA.RuntimeValue.i32(i32 4)
// %scalar1 = call i32 @llvm.genx.GenISA.RuntimeValue.i32(i32 5)
#pragma once
#include "common/LLVMWarningsPush.hpp"
#include "llvm/Pass.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/InstVisitor.h"
#include "llvm/ADT/StringRef.h"
#include "common/LLVMWarningsPop.hpp"
namespace IGC
{
class RuntimeValueVectorExtractPass : public llvm::FunctionPass, public llvm::InstVisitor<RuntimeValueVectorExtractPass>
{
public:
RuntimeValueVectorExtractPass();
virtual bool runOnFunction(llvm::Function& F) override;
virtual void getAnalysisUsage(llvm::AnalysisUsage& AU) const override;
virtual llvm::StringRef getPassName() const override
{
return "RuntimeValueVectorExtractPass";
}
void visitExtractElementInst(llvm::ExtractElementInst& I);
bool changed;
static char ID;
};
}
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