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/*========================== begin_copyright_notice ============================
Copyright (C) 2024 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#include "common/LLVMWarningsPush.hpp"
#include <llvm/Pass.h>
#include <llvm/IR/InstVisitor.h>
#include "common/LLVMWarningsPop.hpp"
#include "Compiler/CodeGenContextWrapper.hpp"
#include <unordered_map>
namespace IGC {
enum Accuracy { HIGH_ACCURACY, LOW_ACCURACY, ENHANCED_PRECISION };
class AccuracyDecoratedCallsBiFResolution : public llvm::ModulePass,
public llvm::InstVisitor<AccuracyDecoratedCallsBiFResolution> {
public:
// Accuracy --> Builtin (3 entries in each AccurateBuiltins)
typedef std::unordered_map<Accuracy, std::string> AccurateBuiltins;
static char ID;
AccuracyDecoratedCallsBiFResolution();
~AccuracyDecoratedCallsBiFResolution() {}
virtual llvm::StringRef getPassName() const override { return "AccuracyDecoratedCallsBiFResolution"; }
virtual void getAnalysisUsage(llvm::AnalysisUsage &AU) const override { AU.addRequired<CodeGenContextWrapper>(); }
void initNameToBuiltinMap();
void visitCallInst(llvm::CallInst &callInst);
void visitBinaryOperator(llvm::BinaryOperator &inst);
virtual bool runOnModule(llvm::Module &M) override;
private:
bool m_changed = false;
llvm::Module *m_Module = nullptr;
// m_nameToBuiltin["_Z15__spirv_ocl_sinf"][ENHANCED_PRECISION] --> "__ocl_svml_sinf_ep"
std::unordered_map<std::string, AccurateBuiltins> m_nameToBuiltin{};
llvm::Function *getOrInsertNewFunc(const llvm::StringRef oldFuncName, llvm::Type *funcType,
const llvm::ArrayRef<llvm::Value *> args, const llvm::AttributeList attributes,
llvm::CallingConv::ID callingConv, const llvm::StringRef maxErrorStr,
const llvm::Instruction *currInst);
std::string getFunctionName(const llvm::StringRef oldFuncName, Accuracy accuracy,
const llvm::Instruction *currInst) const;
Accuracy getAccuracy(double maxError, double cutOff, const llvm::Instruction *currInst) const;
};
} // namespace IGC
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