1//===-- CodeGen/RuntimeLibcallUtil.h - Runtime Library Calls ----*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file defines some helper functions for runtime library calls.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CODEGEN_RUNTIMELIBCALLS_H
14#define LLVM_CODEGEN_RUNTIMELIBCALLS_H
15
16#include "llvm/CodeGen/ISDOpcodes.h"
17#include "llvm/CodeGen/ValueTypes.h"
18#include "llvm/IR/RuntimeLibcalls.h"
19#include "llvm/Support/AtomicOrdering.h"
20#include "llvm/Support/Compiler.h"
21
22namespace llvm {
23namespace RTLIB {
24
25/// GetFPLibCall - Helper to return the right libcall for the given floating
26/// point type, or UNKNOWN_LIBCALL if there is none.
27LLVM_ABI Libcall getFPLibCall(EVT VT, Libcall Call_F32, Libcall Call_F64,
28 Libcall Call_F80, Libcall Call_F128,
29 Libcall Call_PPCF128);
30
31/// getFPEXT - Return the FPEXT_*_* value for the given types, or
32/// UNKNOWN_LIBCALL if there is none.
33LLVM_ABI Libcall getFPEXT(EVT OpVT, EVT RetVT);
34
35/// getFPROUND - Return the FPROUND_*_* value for the given types, or
36/// UNKNOWN_LIBCALL if there is none.
37LLVM_ABI Libcall getFPROUND(EVT OpVT, EVT RetVT);
38
39/// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or
40/// UNKNOWN_LIBCALL if there is none.
41LLVM_ABI Libcall getFPTOSINT(EVT OpVT, EVT RetVT);
42
43/// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or
44/// UNKNOWN_LIBCALL if there is none.
45LLVM_ABI Libcall getFPTOUINT(EVT OpVT, EVT RetVT);
46
47/// getSINTTOFP - Return the SINTTOFP_*_* value for the given types, or
48/// UNKNOWN_LIBCALL if there is none.
49LLVM_ABI Libcall getSINTTOFP(EVT OpVT, EVT RetVT);
50
51/// getUINTTOFP - Return the UINTTOFP_*_* value for the given types, or
52/// UNKNOWN_LIBCALL if there is none.
53LLVM_ABI Libcall getUINTTOFP(EVT OpVT, EVT RetVT);
54
55/// getPOWI - Return the POWI_* value for the given types, or
56/// UNKNOWN_LIBCALL if there is none.
57LLVM_ABI Libcall getPOWI(EVT RetVT);
58
59/// getLDEXP - Return the LDEXP_* value for the given types, or
60/// UNKNOWN_LIBCALL if there is none.
61LLVM_ABI Libcall getLDEXP(EVT RetVT);
62
63/// getFREXP - Return the FREXP_* value for the given types, or
64/// UNKNOWN_LIBCALL if there is none.
65LLVM_ABI Libcall getFREXP(EVT RetVT);
66
67/// getSINCOS - Return the SINCOS_* value for the given types, or
68/// UNKNOWN_LIBCALL if there is none.
69LLVM_ABI Libcall getSINCOS(EVT RetVT);
70
71/// getSINCOSPI - Return the SINCOSPI_* value for the given types, or
72/// UNKNOWN_LIBCALL if there is none.
73LLVM_ABI Libcall getSINCOSPI(EVT RetVT);
74
75/// getMODF - Return the MODF_* value for the given types, or
76/// UNKNOWN_LIBCALL if there is none.
77LLVM_ABI Libcall getMODF(EVT RetVT);
78
79/// Return the SYNC_FETCH_AND_* value for the given opcode and type, or
80/// UNKNOWN_LIBCALL if there is none.
81LLVM_ABI Libcall getSYNC(unsigned Opc, MVT VT);
82
83/// Return the outline atomics value for the given atomic ordering, access
84/// size and set of libcalls for a given atomic, or UNKNOWN_LIBCALL if there
85/// is none.
86LLVM_ABI Libcall getOutlineAtomicHelper(const Libcall (&LC)[5][4],
87 AtomicOrdering Order, uint64_t MemSize);
88
89/// Return the outline atomics value for the given opcode, atomic ordering
90/// and type, or UNKNOWN_LIBCALL if there is none.
91LLVM_ABI Libcall getOUTLINE_ATOMIC(unsigned Opc, AtomicOrdering Order, MVT VT);
92
93/// getMEMCPY_ELEMENT_UNORDERED_ATOMIC - Return
94/// MEMCPY_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
95/// UNKNOW_LIBCALL if there is none.
96LLVM_ABI Libcall getMEMCPY_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
97
98/// getMEMMOVE_ELEMENT_UNORDERED_ATOMIC - Return
99/// MEMMOVE_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
100/// UNKNOW_LIBCALL if there is none.
101LLVM_ABI Libcall getMEMMOVE_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
102
103/// getMEMSET_ELEMENT_UNORDERED_ATOMIC - Return
104/// MEMSET_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or
105/// UNKNOW_LIBCALL if there is none.
106LLVM_ABI Libcall getMEMSET_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize);
107
108/// Initialize the default condition code on the libcalls.
109LLVM_ABI void initCmpLibcallCCs(ISD::CondCode *CmpLibcallCCs);
110
111} // namespace RTLIB
112} // namespace llvm
113
114#endif
115