diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index f4049bf9de4..0a2db3450e5 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -6014,8 +6014,11 @@ static bool getFauxShuffleMask(SDValue N, SmallVectorImpl<int> &Mask, case X86ISD::PINSRW: { SDValue InVec = N.getOperand(0); SDValue InScl = N.getOperand(1); + SDValue InIndex = N.getOperand(2); + if (!isa<ConstantSDNode>(InIndex) || + cast<ConstantSDNode>(InIndex)->getAPIntValue().uge(NumElts)) + return false; uint64_t InIdx = N.getConstantOperandVal(2); - assert(InIdx < NumElts && "Illegal insertion index"); // Attempt to recognise a PINSR*(VEC, 0, Idx) shuffle pattern. if (X86::isZeroNode(InScl)) { @@ -6033,8 +6036,12 @@ static bool getFauxShuffleMask(SDValue N, SmallVectorImpl<int> &Mask, return false; SDValue ExVec = InScl.getOperand(0); + SDValue ExIndex = InScl.getOperand(1); + if (!isa<ConstantSDNode>(ExIndex) || + cast<ConstantSDNode>(ExIndex)->getAPIntValue().uge(NumElts)) + return false; uint64_t ExIdx = InScl.getConstantOperandVal(1); - assert(ExIdx < NumElts && "Illegal extraction index"); + Ops.push_back(InVec); Ops.push_back(ExVec); for (unsigned i = 0; i != NumElts; ++i) |
