diff options
Diffstat (limited to 'llvm/lib/Target/X86')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index b8eea1ca2be..378f2269946 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -30436,9 +30436,10 @@ static SDValue combineBitcast(SDNode *N, SelectionDAG &DAG, if ((SrcVT == MVT::v4i1 || SrcVT == MVT::v2i1) && VT.isScalarInteger() && Subtarget.hasVLX()) { SDLoc dl(N); - N0 = DAG.getNode(ISD::INSERT_SUBVECTOR, dl, MVT::v8i1, - DAG.getUNDEF(MVT::v8i1), N0, - DAG.getIntPtrConstant(0, dl)); + unsigned NumConcats = 8 / SrcVT.getVectorNumElements(); + SmallVector<SDValue, 4> Ops(NumConcats, DAG.getUNDEF(SrcVT)); + Ops[0] = N0; + N0 = DAG.getNode(ISD::CONCAT_VECTORS, dl, MVT::v8i1, Ops); N0 = DAG.getBitcast(MVT::i8, N0); return DAG.getNode(ISD::TRUNCATE, dl, VT, N0); } |
