diff options
Diffstat (limited to 'lib/Target/AArch64')
| -rw-r--r-- | lib/Target/AArch64/Utils/AArch64BaseInfo.h | 20 |
1 files changed, 3 insertions, 17 deletions
diff --git a/lib/Target/AArch64/Utils/AArch64BaseInfo.h b/lib/Target/AArch64/Utils/AArch64BaseInfo.h index 9e4c389cc2..9d2ce21c96 100644 --- a/lib/Target/AArch64/Utils/AArch64BaseInfo.h +++ b/lib/Target/AArch64/Utils/AArch64BaseInfo.h @@ -233,23 +233,9 @@ inline static const char *getCondCodeName(CondCode Code) { } inline static CondCode getInvertedCondCode(CondCode Code) { - switch (Code) { - default: llvm_unreachable("Unknown condition code"); - case EQ: return NE; - case NE: return EQ; - case HS: return LO; - case LO: return HS; - case MI: return PL; - case PL: return MI; - case VS: return VC; - case VC: return VS; - case HI: return LS; - case LS: return HI; - case GE: return LT; - case LT: return GE; - case GT: return LE; - case LE: return GT; - } + // To reverse a condition it's necessary to only invert the low bit: + + return static_cast<CondCode>(static_cast<unsigned>(Code) ^ 0x1); } /// Given a condition code, return NZCV flags that would satisfy that condition. |