1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73
|
/*========================== 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;
};
}
|