1//===-- PPCPredicates.h - PPC Branch Predicate Information ------*- 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 describes the PowerPC branch predicates.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_TARGET_POWERPC_PPCPREDICATES_H
15#define LLVM_TARGET_POWERPC_PPCPREDICATES_H
16
17namespace llvm {
18namespace PPC {
19  /// Predicate - These are "(BI << 5) | BO"  for various predicates.
20  enum Predicate {
21    PRED_ALWAYS = (0 << 5) | 20,
22    PRED_LT     = (0 << 5) | 12,
23    PRED_LE     = (1 << 5) |  4,
24    PRED_EQ     = (2 << 5) | 12,
25    PRED_GE     = (0 << 5) |  4,
26    PRED_GT     = (1 << 5) | 12,
27    PRED_NE     = (2 << 5) |  4,
28    PRED_UN     = (3 << 5) | 12,
29    PRED_NU     = (3 << 5) |  4
30  };
31
32  /// Invert the specified predicate.  != -> ==, < -> >=.
33  Predicate InvertPredicate(Predicate Opcode);
34}
35}
36
37#endif
38