diff options
Diffstat (limited to 'lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp')
| -rw-r--r-- | lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp b/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp new file mode 100644 index 0000000000..12bb0a1434 --- /dev/null +++ b/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp @@ -0,0 +1,31 @@ +//===-- 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; + } +} |