diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86ISelLowering.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp index e4af736..1bbd4a7 100644 --- a/lib/Target/X86/X86ISelLowering.cpp +++ b/lib/Target/X86/X86ISelLowering.cpp @@ -5180,6 +5180,10 @@ X86TargetLowering::LowerVectorFpExtend(SDValue &Op, SelectionDAG &DAG) const { Mask.push_back(cast<ConstantSDNode>(L2In.getOperand(1))->getZExtValue()); } + // Quit if all operands of BUILD_VECTOR are undefined. + if (!VecIn.getNode()) + return SDValue(); + // Fill the remaining mask as undef. for (unsigned i = NumElts; i < VecInVT.getVectorNumElements(); ++i) Mask.push_back(-1); |