1 //===-- llvm/Instrinsics.h - LLVM Intrinsic Function Handling ---*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines a set of enums which allow processing of intrinsic
11 // functions. Values of these enum types are returned by
12 // Function::getIntrinsicID.
14 //===----------------------------------------------------------------------===//
16 #ifndef LLVM_INTRINSICS_H
17 #define LLVM_INTRINSICS_H
21 /// Intrinsic Namespace - This namespace contains an enum with a value for
22 /// every intrinsic/builtin function known by LLVM. These enum values are
23 /// returned by Function::getIntrinsicID().
27 not_intrinsic = 0, // Must be zero
29 // Varargs handling intrinsics.
30 vastart, // Used to implement the va_start macro in C
31 vaend, // Used to implement the va_end macro in C
32 vacopy, // Used to implement the va_copy macro in C
34 // Code generator intrinsics.
35 returnaddress, // Yields the return address of a dynamic call frame
36 frameaddress, // Yields the frame address of a dynamic call frame
37 prefetch, // Prefetch a value into the cache
38 pcmarker, // Export a PC from near the marker
40 // setjmp/longjmp intrinsics.
41 setjmp, // Used to represent a setjmp call in C
42 longjmp, // Used to represent a longjmp call in C
43 sigsetjmp, // Used to represent a sigsetjmp call in C
44 siglongjmp, // Used to represent a siglongjmp call in C
46 // Garbage Collection intrinsics.
47 gcroot, // Defines a new GC root on the stack
48 gcread, // Defines a read of a heap object (for read barriers)
49 gcwrite, // Defines a write to a heap object (for write barriers)
51 // Debugging intrinsics.
52 dbg_stoppoint, // Represents source lines and breakpointable places
53 dbg_region_start, // Start of a region
54 dbg_region_end, // End of a region
55 dbg_func_start, // Start of a function
56 dbg_declare, // Declare a local object
59 // Standard libc functions.
60 memcpy, // Copy non-overlapping memory blocks
61 memmove, // Copy potentially overlapping memory blocks
62 memset, // Fill memory with a byte value
64 // libm related functions.
65 isunordered, // Return true if either argument is a NaN
67 // Input/Output intrinsics.
74 } // End Intrinsic namespace
76 } // End llvm namespace