| //===-- PPCPredicates.cpp - PPC Branch Predicate Information --------------===// | |
| // | |
| // The LLVM Compiler Infrastructure | |
| // | |
| // This file is distributed under the University of Illinois Open Source | |
| // License. See LICENSE.TXT for details. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| // | |
| // This file implements the PowerPC branch predicates. | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #include "PPCPredicates.h" | |
| #include "llvm/Support/ErrorHandling.h" | |
| #include <cassert> | |
| using namespace llvm; | |
| PPC::Predicate PPC::InvertPredicate(PPC::Predicate Opcode) { | |
| switch (Opcode) { | |
| default: llvm_unreachable("Unknown PPC branch opcode!"); | |
| case PPC::PRED_EQ: return PPC::PRED_NE; | |
| case PPC::PRED_NE: return PPC::PRED_EQ; | |
| case PPC::PRED_LT: return PPC::PRED_GE; | |
| case PPC::PRED_GE: return PPC::PRED_LT; | |
| case PPC::PRED_GT: return PPC::PRED_LE; | |
| case PPC::PRED_LE: return PPC::PRED_GT; | |
| case PPC::PRED_NU: return PPC::PRED_UN; | |
| case PPC::PRED_UN: return PPC::PRED_NU; | |
| } | |
| } |