diff options
Diffstat (limited to 'llvm/lib/Target/ARM/Utils')
| -rw-r--r-- | llvm/lib/Target/ARM/Utils/ARMBaseInfo.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/Utils/ARMBaseInfo.h b/llvm/lib/Target/ARM/Utils/ARMBaseInfo.h index aa3aca359cb..11cb1a162e2 100644 --- a/llvm/lib/Target/ARM/Utils/ARMBaseInfo.h +++ b/llvm/lib/Target/ARM/Utils/ARMBaseInfo.h @@ -64,6 +64,25 @@ inline static CondCodes getOppositeCondition(CondCodes CC) { case LE: return GT; } } + +/// getSwappedCondition - assume the flags are set by MI(a,b), return +/// the condition code if we modify the instructions such that flags are +/// set by MI(b,a). +inline static ARMCC::CondCodes getSwappedCondition(ARMCC::CondCodes CC) { + switch (CC) { + default: return ARMCC::AL; + case ARMCC::EQ: return ARMCC::EQ; + case ARMCC::NE: return ARMCC::NE; + case ARMCC::HS: return ARMCC::LS; + case ARMCC::LO: return ARMCC::HI; + case ARMCC::HI: return ARMCC::LO; + case ARMCC::LS: return ARMCC::HS; + case ARMCC::GE: return ARMCC::LE; + case ARMCC::LT: return ARMCC::GT; + case ARMCC::GT: return ARMCC::LT; + case ARMCC::LE: return ARMCC::GE; + } +} } // end namespace ARMCC namespace ARMVCC { |
