| //===-- CodeGen/RuntimeLibcalls.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 the enum representing the list of runtime library calls |
| // the backend may emit during code generation, and also some helper functions. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CODEGEN_RUNTIMELIBCALLS_H |
| #define LLVM_CODEGEN_RUNTIMELIBCALLS_H |
| |
| #include "llvm/CodeGen/ValueTypes.h" |
| |
| namespace llvm { |
| namespace RTLIB { |
| /// RTLIB::Libcall enum - This enum defines all of the runtime library calls |
| /// the backend can emit. The various long double types cannot be merged, |
| /// because 80-bit library functions use "xf" and 128-bit use "tf". |
| /// |
| /// When adding PPCF128 functions here, note that their names generally need |
| /// to be overridden for Darwin with the xxx$LDBL128 form. See |
| /// PPCISelLowering.cpp. |
| /// |
| enum Libcall { |
| #define HANDLE_LIBCALL(code, name) code, |
| #include "llvm/IR/RuntimeLibcalls.def" |
| #undef HANDLE_LIBCALL |
| }; |
| |
| /// getFPEXT - Return the FPEXT_*_* value for the given types, or |
| /// UNKNOWN_LIBCALL if there is none. |
| Libcall getFPEXT(EVT OpVT, EVT RetVT); |
| |
| /// getFPROUND - Return the FPROUND_*_* value for the given types, or |
| /// UNKNOWN_LIBCALL if there is none. |
| Libcall getFPROUND(EVT OpVT, EVT RetVT); |
| |
| /// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or |
| /// UNKNOWN_LIBCALL if there is none. |
| Libcall getFPTOSINT(EVT OpVT, EVT RetVT); |
| |
| /// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or |
| /// UNKNOWN_LIBCALL if there is none. |
| Libcall getFPTOUINT(EVT OpVT, EVT RetVT); |
| |
| /// getSINTTOFP - Return the SINTTOFP_*_* value for the given types, or |
| /// UNKNOWN_LIBCALL if there is none. |
| Libcall getSINTTOFP(EVT OpVT, EVT RetVT); |
| |
| /// getUINTTOFP - Return the UINTTOFP_*_* value for the given types, or |
| /// UNKNOWN_LIBCALL if there is none. |
| Libcall getUINTTOFP(EVT OpVT, EVT RetVT); |
| |
| /// Return the SYNC_FETCH_AND_* value for the given opcode and type, or |
| /// UNKNOWN_LIBCALL if there is none. |
| Libcall getSYNC(unsigned Opc, MVT VT); |
| |
| /// getMEMCPY_ELEMENT_UNORDERED_ATOMIC - Return |
| /// MEMCPY_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or |
| /// UNKNOW_LIBCALL if there is none. |
| 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. |
| 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. |
| Libcall getMEMSET_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize); |
| |
| } |
| } |
| |
| #endif |