diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIISelLowering.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp index ad9c5e49320..3563eb365b9 100644 --- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp @@ -4872,7 +4872,9 @@ SDValue SITargetLowering::performAddCombine(SDNode *N, case ISD::SIGN_EXTEND: case ISD::ANY_EXTEND: { auto Cond = RHS.getOperand(0); - if (Cond.getOpcode() != ISD::SETCC) break; + if (Cond.getOpcode() != ISD::SETCC && + Cond.getOpcode() != AMDGPUISD::FP_CLASS) + break; SDVTList VTList = DAG.getVTList(MVT::i32, MVT::i1); SDValue Args[] = { LHS, DAG.getConstant(0, SL, MVT::i32), Cond }; Opc = (Opc == ISD::SIGN_EXTEND) ? ISD::SUBCARRY : ISD::ADDCARRY; |
