RuntimeLibcallUtil.h

Go to the documentation of this file.

//===-- CodeGen/RuntimeLibcallUtil.h - Runtime Library Calls ----*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines some helper functions for runtime library calls.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_CODEGEN_RUNTIMELIBCALLS_H
#define LLVM_CODEGEN_RUNTIMELIBCALLS_H
 
#include "llvm/CodeGen/ISDOpcodes.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/IR/RuntimeLibcalls.h"
#include "llvm/Support/AtomicOrdering.h"
#include "llvm/Support/Compiler.h"
 
namespace llvm {
namespace RTLIB {
 
/// \return The SHL_* value for the given types, or UNKNOWN_LIBCALL if there is
/// none.
LLVM_ABI Libcall getSHL(EVT VT);
 
/// \return The SRL_* value for the given types, or UNKNOWN_LIBCALL if there is
/// none.
LLVM_ABI Libcall getSRL(EVT VT);
 
/// \return The SRA_* value for the given types, or UNKNOWN_LIBCALL if there is
/// none.
LLVM_ABI Libcall getSRA(EVT VT);
 
/// \return The MUL_* value for the given types, or UNKNOWN_LIBCALL if there is
/// none.
LLVM_ABI Libcall getMUL(EVT VT);
 
/// \return The MULO_* value for the given types, or UNKNOWN_LIBCALL if there is
/// none.
LLVM_ABI Libcall getMULO(EVT VT);
 
/// \return The SDIV_* value for the given types, or UNKNOWN_LIBCALL if there is
/// none.
LLVM_ABI Libcall getSDIV(EVT VT);
 
/// \return The UDIV_* value for the given types, or UNKNOWN_LIBCALL if there is
/// none.
LLVM_ABI Libcall getUDIV(EVT VT);
 
/// \return The SREM_* value for the given types, or UNKNOWN_LIBCALL if there is
/// none.
LLVM_ABI Libcall getSREM(EVT VT);
 
/// \return The UREM_* value for the given types, or UNKNOWN_LIBCALL if there is
/// none.
LLVM_ABI Libcall getUREM(EVT VT);
 
/// \return The CTPOP_* value for the given types, or UNKNOWN_LIBCALL if there
/// is none.
LLVM_ABI Libcall getCTPOP(EVT VT);
 
/// GetFPLibCall - Helper to return the right libcall for the given floating
/// point type, or UNKNOWN_LIBCALL if there is none.
LLVM_ABI Libcall getFPLibCall(EVT VT, Libcall Call_F32, Libcall Call_F64,
                              Libcall Call_F80, Libcall Call_F128,
                              Libcall Call_PPCF128);
 
/// getFPEXT - Return the FPEXT_*_* value for the given types, or
/// UNKNOWN_LIBCALL if there is none.
LLVM_ABI Libcall getFPEXT(EVT OpVT, EVT RetVT);
 
/// getFPROUND - Return the FPROUND_*_* value for the given types, or
/// UNKNOWN_LIBCALL if there is none.
LLVM_ABI Libcall getFPROUND(EVT OpVT, EVT RetVT);
 
/// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or
/// UNKNOWN_LIBCALL if there is none.
LLVM_ABI Libcall getFPTOSINT(EVT OpVT, EVT RetVT);
 
/// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or
/// UNKNOWN_LIBCALL if there is none.
LLVM_ABI Libcall getFPTOUINT(EVT OpVT, EVT RetVT);
 
/// getSINTTOFP - Return the SINTTOFP_*_* value for the given types, or
/// UNKNOWN_LIBCALL if there is none.
LLVM_ABI Libcall getSINTTOFP(EVT OpVT, EVT RetVT);
 
/// getUINTTOFP - Return the UINTTOFP_*_* value for the given types, or
/// UNKNOWN_LIBCALL if there is none.
LLVM_ABI Libcall getUINTTOFP(EVT OpVT, EVT RetVT);
 
/// The floating-point selectors get<OP>(EVT) return the <OP>_* libcall for the
/// given type, or UNKNOWN_LIBCALL. Generated from the RuntimeLibcallFamily
/// table in RuntimeLibcalls.td.
#define GET_RUNTIME_LIBCALL_FP_SELECTOR_DECLS
#include "llvm/IR/RuntimeLibcalls.inc"
 
/// Return the SYNC_FETCH_AND_* value for the given opcode and type, or
/// UNKNOWN_LIBCALL if there is none.
LLVM_ABI Libcall getSYNC(unsigned Opc, MVT VT);
 
/// Return the outline atomics value for the given atomic ordering, access
/// size and set of libcalls for a given atomic, or UNKNOWN_LIBCALL if there
/// is none.
LLVM_ABI Libcall getOutlineAtomicHelper(const Libcall (&LC)[5][4],
                                        AtomicOrdering Order, uint64_t MemSize);
 
/// Return the outline atomics value for the given opcode, atomic ordering
/// and type, or UNKNOWN_LIBCALL if there is none.
LLVM_ABI Libcall getOUTLINE_ATOMIC(unsigned Opc, AtomicOrdering Order, MVT VT);
 
/// getMEMCPY_ELEMENT_UNORDERED_ATOMIC - Return
/// MEMCPY_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
/// UNKNOW_LIBCALL if there is none.
LLVM_ABI Libcall getMEMCPY_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
 
/// getMEMMOVE_ELEMENT_UNORDERED_ATOMIC - Return
/// MEMMOVE_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
/// UNKNOW_LIBCALL if there is none.
LLVM_ABI Libcall getMEMMOVE_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
 
/// getMEMSET_ELEMENT_UNORDERED_ATOMIC - Return
/// MEMSET_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
/// UNKNOW_LIBCALL if there is none.
LLVM_ABI Libcall getMEMSET_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
 
} // namespace RTLIB
} // namespace llvm
 
#endif