llvm/CodeGen/RuntimeLibcallUtil.h

0001 //===-- CodeGen/RuntimeLibcallUtil.h - Runtime Library Calls ----*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 // This file defines some helper functions for runtime library calls.
0010 //
0011 //===----------------------------------------------------------------------===//
0012
0013 #ifndef LLVM_CODEGEN_RUNTIMELIBCALLS_H
0014 #define LLVM_CODEGEN_RUNTIMELIBCALLS_H
0015
0016 #include "llvm/CodeGen/ISDOpcodes.h"
0017 #include "llvm/CodeGen/ValueTypes.h"
0018 #include "llvm/IR/RuntimeLibcalls.h"
0019 #include "llvm/Support/AtomicOrdering.h"
0020
0021 namespace llvm {
0022 namespace RTLIB {
0023
0024 /// GetFPLibCall - Helper to return the right libcall for the given floating
0025 /// point type, or UNKNOWN_LIBCALL if there is none.
0026 Libcall getFPLibCall(EVT VT, Libcall Call_F32, Libcall Call_F64,
0027                      Libcall Call_F80, Libcall Call_F128, Libcall Call_PPCF128);
0028
0029 /// getFPEXT - Return the FPEXT_*_* value for the given types, or
0030 /// UNKNOWN_LIBCALL if there is none.
0031 Libcall getFPEXT(EVT OpVT, EVT RetVT);
0032
0033 /// getFPROUND - Return the FPROUND_*_* value for the given types, or
0034 /// UNKNOWN_LIBCALL if there is none.
0035 Libcall getFPROUND(EVT OpVT, EVT RetVT);
0036
0037 /// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or
0038 /// UNKNOWN_LIBCALL if there is none.
0039 Libcall getFPTOSINT(EVT OpVT, EVT RetVT);
0040
0041 /// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or
0042 /// UNKNOWN_LIBCALL if there is none.
0043 Libcall getFPTOUINT(EVT OpVT, EVT RetVT);
0044
0045 /// getSINTTOFP - Return the SINTTOFP_*_* value for the given types, or
0046 /// UNKNOWN_LIBCALL if there is none.
0047 Libcall getSINTTOFP(EVT OpVT, EVT RetVT);
0048
0049 /// getUINTTOFP - Return the UINTTOFP_*_* value for the given types, or
0050 /// UNKNOWN_LIBCALL if there is none.
0051 Libcall getUINTTOFP(EVT OpVT, EVT RetVT);
0052
0053 /// getPOWI - Return the POWI_* value for the given types, or
0054 /// UNKNOWN_LIBCALL if there is none.
0055 Libcall getPOWI(EVT RetVT);
0056
0057 /// getLDEXP - Return the LDEXP_* value for the given types, or
0058 /// UNKNOWN_LIBCALL if there is none.
0059 Libcall getLDEXP(EVT RetVT);
0060
0061 /// getFREXP - Return the FREXP_* value for the given types, or
0062 /// UNKNOWN_LIBCALL if there is none.
0063 Libcall getFREXP(EVT RetVT);
0064
0065 /// getFSINCOS - Return the FSINCOS_* value for the given types, or
0066 /// UNKNOWN_LIBCALL if there is none.
0067 Libcall getFSINCOS(EVT RetVT);
0068
0069 /// Return the SYNC_FETCH_AND_* value for the given opcode and type, or
0070 /// UNKNOWN_LIBCALL if there is none.
0071 Libcall getSYNC(unsigned Opc, MVT VT);
0072
0073 /// Return the outline atomics value for the given atomic ordering, access
0074 /// size and set of libcalls for a given atomic, or UNKNOWN_LIBCALL if there
0075 /// is none.
0076 Libcall getOutlineAtomicHelper(const Libcall (&LC)[5][4], AtomicOrdering Order,
0077                                uint64_t MemSize);
0078
0079 /// Return the outline atomics value for the given opcode, atomic ordering
0080 /// and type, or UNKNOWN_LIBCALL if there is none.
0081 Libcall getOUTLINE_ATOMIC(unsigned Opc, AtomicOrdering Order, MVT VT);
0082
0083 /// getMEMCPY_ELEMENT_UNORDERED_ATOMIC - Return
0084 /// MEMCPY_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
0085 /// UNKNOW_LIBCALL if there is none.
0086 Libcall getMEMCPY_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
0087
0088 /// getMEMMOVE_ELEMENT_UNORDERED_ATOMIC - Return
0089 /// MEMMOVE_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
0090 /// UNKNOW_LIBCALL if there is none.
0091 Libcall getMEMMOVE_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
0092
0093 /// getMEMSET_ELEMENT_UNORDERED_ATOMIC - Return
0094 /// MEMSET_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
0095 /// UNKNOW_LIBCALL if there is none.
0096 Libcall getMEMSET_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
0097
0098 /// Initialize the default condition code on the libcalls.
0099 void initCmpLibcallCCs(ISD::CondCode *CmpLibcallCCs);
0100
0101 } // namespace RTLIB
0102 } // namespace llvm
0103
0104 #endif