| //===-- 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; |
| } |
| } |
