1 //===-- CodeGen/RuntimeLibcalls.h - Runtime Library Calls -------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
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.
13 //===----------------------------------------------------------------------===//
15 #ifndef LLVM_CODEGEN_RUNTIMELIBCALLS_H
16 #define LLVM_CODEGEN_RUNTIMELIBCALLS_H
18 #include "llvm/CodeGen/ValueTypes.h"
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".
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.
31 #define HANDLE_LIBCALL(code, name) code,
32 #include "RuntimeLibcalls.def"
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);
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);
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);
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);
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);
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);
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);
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);
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);
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);