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      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 
     17 namespace llvm {
     18 namespace 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