diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp index 17c48287f05..f2915a4ab15 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.cpp +++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp @@ -5554,6 +5554,10 @@ SDValue ARMTargetLowering::ReconstructShuffle(SDValue Op, // A shuffle can only come from building a vector from various // elements of other vectors. return SDValue(); + } else if (!isa<ConstantSDNode>(V.getOperand(1))) { + // Furthermore, shuffles require a constant mask, whereas extractelts + // accept variable indices. + return SDValue(); } // Add this element source to the list if it's not already there. |
