llvm-6502/lib/Target/PowerPC/MCTargetDesc/PPCPredicates.cpp
David Blaikie 7e17024400 Revert r183854 (PPC: Fix switch warnings from r183841)
Now that the PRED_BAD has been removed, this is failing the Clang
-Werror build due to -Wcovered-switch-default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183863 91177308-0d34-0410-b5e6-96231b3b80d8
2013-06-12 20:57:32 +00:00

47 lines
1.5 KiB
C++

//===-- 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) {
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;
}
llvm_unreachable("Unknown PPC branch opcode!");
}
PPC::Predicate PPC::getSwappedPredicate(PPC::Predicate Opcode) {
switch (Opcode) {
case PPC::PRED_EQ: return PPC::PRED_EQ;
case PPC::PRED_NE: return PPC::PRED_NE;
case PPC::PRED_LT: return PPC::PRED_GT;
case PPC::PRED_GE: return PPC::PRED_LE;
case PPC::PRED_GT: return PPC::PRED_LT;
case PPC::PRED_LE: return PPC::PRED_GE;
case PPC::PRED_NU: return PPC::PRED_NU;
case PPC::PRED_UN: return PPC::PRED_UN;
}
llvm_unreachable("Unknown PPC branch opcode!");
}