diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 82a7f8c8274..088119e4924 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -28937,18 +28937,19 @@ static SDValue combineSetCCAtomicArith(SDValue Cmp, X86::CondCode &CC, if (Opc == ISD::ATOMIC_LOAD_SUB) Addend = -Addend; - if (Comparand == -Addend) - CC = CC; // No change. - else if (CC == X86::COND_S && Comparand == 0 && Addend == 1) + if (Comparand == -Addend) { + // No change to CC. + } else if (CC == X86::COND_S && Comparand == 0 && Addend == 1) { CC = X86::COND_LE; - else if (CC == X86::COND_NS && Comparand == 0 && Addend == 1) + } else if (CC == X86::COND_NS && Comparand == 0 && Addend == 1) { CC = X86::COND_G; - else if (CC == X86::COND_G && Comparand == 0 && Addend == -1) + } else if (CC == X86::COND_G && Comparand == 0 && Addend == -1) { CC = X86::COND_GE; - else if (CC == X86::COND_LE && Comparand == 0 && Addend == -1) + } else if (CC == X86::COND_LE && Comparand == 0 && Addend == -1) { CC = X86::COND_L; - else + } else { return SDValue(); + } SDValue LockOp = lowerAtomicArithWithLOCK(CmpLHS, DAG); DAG.ReplaceAllUsesOfValueWith(CmpLHS.getValue(0), |
