diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 48ec8a2f351..ca26f7ed798 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -14888,6 +14888,7 @@ static SDValue PerformZExtCombine(SDNode *N, SelectionDAG &DAG, N00.getOperand(0), N00.getOperand(1)), DAG.getConstant(1, VT)); } + // Optimize vectors in AVX mode: // // v8i16 -> v8i32 @@ -14902,15 +14903,17 @@ static SDValue PerformZExtCombine(SDNode *N, SelectionDAG &DAG, // if (Subtarget->hasAVX()) { - if (((VT == MVT::v8i32) && (OpVT == MVT::v8i16)) || - ((VT == MVT::v4i64) && (OpVT == MVT::v4i32))) { + if (((VT == MVT::v8i32) && (OpVT == MVT::v8i16)) || + ((VT == MVT::v4i64) && (OpVT == MVT::v4i32))) { SDValue ZeroVec = getZeroVector(OpVT, Subtarget, DAG, dl); - SDValue OpLo = getTargetShuffleNode(X86ISD::UNPCKL, dl, OpVT, N0, ZeroVec, DAG); - SDValue OpHi = getTargetShuffleNode(X86ISD::UNPCKH, dl, OpVT, N0, ZeroVec, DAG); + SDValue OpLo = getTargetShuffleNode(X86ISD::UNPCKL, dl, OpVT, N0, ZeroVec, + DAG); + SDValue OpHi = getTargetShuffleNode(X86ISD::UNPCKH, dl, OpVT, N0, ZeroVec, + DAG); - EVT HVT = EVT::getVectorVT(*DAG.getContext(), VT.getVectorElementType(), - VT.getVectorNumElements()/2); + EVT HVT = EVT::getVectorVT(*DAG.getContext(), VT.getVectorElementType(), + VT.getVectorNumElements()/2); OpLo = DAG.getNode(ISD::BITCAST, dl, HVT, OpLo); OpHi = DAG.getNode(ISD::BITCAST, dl, HVT, OpHi); @@ -14919,7 +14922,6 @@ static SDValue PerformZExtCombine(SDNode *N, SelectionDAG &DAG, } } - return SDValue(); } |
