1 //===-- CodeGen/RuntimeLibcalls.h - Runtime Library Calls -------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file defines the enum representing the list of runtime library calls 11 // the backend may emit during code generation, and also some helper functions. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef LLVM_CODEGEN_RUNTIMELIBCALLS_H 16 #define LLVM_CODEGEN_RUNTIMELIBCALLS_H 17 18 #include "llvm/CodeGen/ValueTypes.h" 19 20 namespace llvm { 21 namespace RTLIB { 22 /// RTLIB::Libcall enum - This enum defines all of the runtime library calls 23 /// the backend can emit. The various long double types cannot be merged, 24 /// because 80-bit library functions use "xf" and 128-bit use "tf". 25 /// 26 /// When adding PPCF128 functions here, note that their names generally need 27 /// to be overridden for Darwin with the xxx$LDBL128 form. See 28 /// PPCISelLowering.cpp. 29 /// 30 enum Libcall { 31 #define HANDLE_LIBCALL(code, name) code, 32 #include "RuntimeLibcalls.def" 33 #undef HANDLE_LIBCALL 34 }; 35 36 /// getFPEXT - Return the FPEXT_*_* value for the given types, or 37 /// UNKNOWN_LIBCALL if there is none. 38 Libcall getFPEXT(EVT OpVT, EVT RetVT); 39 40 /// getFPROUND - Return the FPROUND_*_* value for the given types, or 41 /// UNKNOWN_LIBCALL if there is none. 42 Libcall getFPROUND(EVT OpVT, EVT RetVT); 43 44 /// getFPTOSINT - Return the FPTOSINT_*_* value for the given types, or 45 /// UNKNOWN_LIBCALL if there is none. 46 Libcall getFPTOSINT(EVT OpVT, EVT RetVT); 47 48 /// getFPTOUINT - Return the FPTOUINT_*_* value for the given types, or 49 /// UNKNOWN_LIBCALL if there is none. 50 Libcall getFPTOUINT(EVT OpVT, EVT RetVT); 51 52 /// getSINTTOFP - Return the SINTTOFP_*_* value for the given types, or 53 /// UNKNOWN_LIBCALL if there is none. 54 Libcall getSINTTOFP(EVT OpVT, EVT RetVT); 55 56 /// getUINTTOFP - Return the UINTTOFP_*_* value for the given types, or 57 /// UNKNOWN_LIBCALL if there is none. 58 Libcall getUINTTOFP(EVT OpVT, EVT RetVT); 59 60 /// Return the SYNC_FETCH_AND_* value for the given opcode and type, or 61 /// UNKNOWN_LIBCALL if there is none. 62 Libcall getSYNC(unsigned Opc, MVT VT); 63 64 /// getMEMCPY_ELEMENT_UNORDERED_ATOMIC - Return 65 /// MEMCPY_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or 66 /// UNKNOW_LIBCALL if there is none. 67 Libcall getMEMCPY_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize); 68 69 /// getMEMMOVE_ELEMENT_UNORDERED_ATOMIC - Return 70 /// MEMMOVE_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or 71 /// UNKNOW_LIBCALL if there is none. 72 Libcall getMEMMOVE_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize); 73 74 /// getMEMSET_ELEMENT_UNORDERED_ATOMIC - Return 75 /// MEMSET_ELEMENT_UNORDERED_ATOMIC_* value for the given element size or 76 /// UNKNOW_LIBCALL if there is none. 77 Libcall getMEMSET_ELEMENT_UNORDERED_ATOMIC(uint64_t ElementSize); 78 79 } 80 } 81 82 #endif 83
