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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===-- CodeGen/RuntimeLibcalls.h - Runtime Library Calls -------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // This file defines the enum representing the list of runtime library calls |
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| 10 | // the backend may emit during code generation, and also some helper functions. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |||
| 14 | #ifndef LLVM_CODEGEN_RUNTIMELIBCALLS_H |
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| 15 | #define LLVM_CODEGEN_RUNTIMELIBCALLS_H |
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| 16 | |||
| 17 | #include "llvm/CodeGen/ValueTypes.h" |
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| 18 | #include "llvm/Support/AtomicOrdering.h" |
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| 19 | |||
| 20 | namespace llvm { |
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| 21 | namespace RTLIB { |
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| 22 | /// RTLIB::Libcall enum - This enum defines all of the runtime library calls |
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| 23 | /// the backend can emit. The various long double types cannot be merged, |
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| 24 | /// because 80-bit library functions use "xf" and 128-bit use "tf". |
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| 25 | /// |
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| 26 | /// When adding PPCF128 functions here, note that their names generally need |
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| 27 | /// to be overridden for Darwin with the xxx$LDBL128 form. See |
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| 28 | /// PPCISelLowering.cpp. |
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| 29 | /// |
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| 30 | enum Libcall { |
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| 31 | #define HANDLE_LIBCALL(code, name) code, |
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| 32 | #include "llvm/IR/RuntimeLibcalls.def" |
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| 33 | #undef HANDLE_LIBCALL |
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| 34 | }; |
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| 35 | |||
| 36 | /// GetFPLibCall - Helper to return the right libcall for the given floating |
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| 37 | /// point type, or UNKNOWN_LIBCALL if there is none. |
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| 38 | Libcall getFPLibCall(EVT VT, |
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| 39 | Libcall Call_F32, |
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| 40 | Libcall Call_F64, |
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| 41 | Libcall Call_F80, |
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| 42 | Libcall Call_F128, |
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| 43 | Libcall Call_PPCF128); |
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| 44 | |||
| 45 | /// getFPEXT - Return the FPEXT_*_* value for the given types, or |
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| 46 | /// UNKNOWN_LIBCALL if there is none. |
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| 47 | Libcall getFPEXT(EVT OpVT, EVT RetVT); |
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| 48 | |||
| 49 | /// getFPROUND - Return the FPROUND_*_* value for the given types, or |
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| 50 | /// UNKNOWN_LIBCALL if there is none. |
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| 51 | Libcall getFPROUND(EVT OpVT, EVT RetVT); |
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| 52 | |||
| 53 | /// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or |
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| 54 | /// UNKNOWN_LIBCALL if there is none. |
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| 55 | Libcall getFPTOSINT(EVT OpVT, EVT RetVT); |
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| 56 | |||
| 57 | /// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or |
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| 58 | /// UNKNOWN_LIBCALL if there is none. |
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| 59 | Libcall getFPTOUINT(EVT OpVT, EVT RetVT); |
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| 60 | |||
| 61 | /// getSINTTOFP - Return the SINTTOFP_*_* value for the given types, or |
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| 62 | /// UNKNOWN_LIBCALL if there is none. |
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| 63 | Libcall getSINTTOFP(EVT OpVT, EVT RetVT); |
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| 64 | |||
| 65 | /// getUINTTOFP - Return the UINTTOFP_*_* value for the given types, or |
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| 66 | /// UNKNOWN_LIBCALL if there is none. |
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| 67 | Libcall getUINTTOFP(EVT OpVT, EVT RetVT); |
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| 68 | |||
| 69 | /// getPOWI - Return the POWI_* value for the given types, or |
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| 70 | /// UNKNOWN_LIBCALL if there is none. |
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| 71 | Libcall getPOWI(EVT RetVT); |
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| 72 | |||
| 73 | /// Return the SYNC_FETCH_AND_* value for the given opcode and type, or |
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| 74 | /// UNKNOWN_LIBCALL if there is none. |
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| 75 | Libcall getSYNC(unsigned Opc, MVT VT); |
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| 76 | |||
| 77 | /// Return the outline atomics value for the given opcode, atomic ordering |
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| 78 | /// and type, or UNKNOWN_LIBCALL if there is none. |
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| 79 | Libcall getOUTLINE_ATOMIC(unsigned Opc, AtomicOrdering Order, MVT VT); |
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| 80 | |||
| 81 | /// getMEMCPY_ELEMENT_UNORDERED_ATOMIC - Return |
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| 82 | /// MEMCPY_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or |
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| 83 | /// UNKNOW_LIBCALL if there is none. |
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| 84 | Libcall getMEMCPY_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize); |
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| 85 | |||
| 86 | /// getMEMMOVE_ELEMENT_UNORDERED_ATOMIC - Return |
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| 87 | /// MEMMOVE_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or |
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| 88 | /// UNKNOW_LIBCALL if there is none. |
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| 89 | Libcall getMEMMOVE_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize); |
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| 90 | |||
| 91 | /// getMEMSET_ELEMENT_UNORDERED_ATOMIC - Return |
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| 92 | /// MEMSET_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or |
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| 93 | /// UNKNOW_LIBCALL if there is none. |
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| 94 | Libcall getMEMSET_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize); |
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| 95 | |||
| 96 | } |
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| 97 | } |
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| 98 | |||
| 99 | #endif |