llvm-6502/include/llvm/Intrinsics.h
2003-07-28 21:18:21 +00:00

44 lines
1.7 KiB
C++

//===-- llvm/Instrinsics.h - LLVM Intrinsic Function Handling ---*- C++ -*-===//
//
// This file defines a set of enums which allow processing of intrinsic
// functions. Values of these enum types are returned by
// Function::getIntrinsicID.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_INTRINSICS_H
#define LLVM_INTRINSICS_H
/// LLVMIntrinsic Namespace - This namespace contains an enum with a value for
/// every intrinsic/builtin function known by LLVM. These enum values are
/// returned by Function::getIntrinsicID().
///
namespace LLVMIntrinsic {
enum ID {
not_intrinsic = 0, // Must be zero
va_start, // Used to represent a va_start call in C
va_end, // Used to represent a va_end call in C
va_copy, // Used to represent a va_copy call in C
setjmp, // Used to represent a setjmp call in C
longjmp, // Used to represent a longjmp call in C
//===------------------------------------------------------------------===//
// This section defines intrinsic functions used to represent Alpha
// instructions...
//
alpha_ctlz, // CTLZ (count leading zero): counts the number of leading
// zeros in the given ulong value
alpha_cttz, // CTTZ (count trailing zero): counts the number of trailing
// zeros in the given ulong value
alpha_ctpop, // CTPOP (count population): counts the number of ones in
// the given ulong value
alpha_umulh, // UMULH (unsigned multiply quadword high): Takes two 64-bit
// (ulong) values, and returns the upper 64 bits of their
// 128 bit product as a ulong
};
}
#endif