diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelLowering.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 49ded80e299..3d63d019de4 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -23506,15 +23506,15 @@ static SDValue PerformShuffleCombine256(SDNode *N, SelectionDAG &DAG, /// into either a single instruction if there is a special purpose instruction /// for this operation, or into a PSHUFB instruction which is a fully general /// instruction but should only be used to replace chains over a certain depth. -static bool combineX86ShuffleChain(SDValue Op, SDValue Root, ArrayRef<int> Mask, - int Depth, bool HasPSHUFB, SelectionDAG &DAG, +static bool combineX86ShuffleChain(SDValue Input, SDValue Root, + ArrayRef<int> Mask, int Depth, + bool HasPSHUFB, SelectionDAG &DAG, TargetLowering::DAGCombinerInfo &DCI, const X86Subtarget &Subtarget) { assert(!Mask.empty() && "Cannot combine an empty shuffle mask!"); // Find the operand that enters the chain. Note that multiple uses are OK // here, we're not going to remove the operand we find. - SDValue Input = Op.getOperand(0); while (Input.getOpcode() == ISD::BITCAST) Input = Input.getOperand(0); @@ -23814,7 +23814,6 @@ static bool combineX86ShufflesRecursively(SDValue Op, SDValue Root, DAG, DCI, Subtarget)) return true; - // Minor canonicalization of the accumulated shuffle mask to make it easier // to match below. All this does is detect masks with sequential pairs of // elements, and shrink them to the half-width mask. It does this in a loop @@ -23826,7 +23825,7 @@ static bool combineX86ShufflesRecursively(SDValue Op, SDValue Root, WidenedMask.clear(); } - return combineX86ShuffleChain(Op, Root, Mask, Depth, HasPSHUFB, DAG, DCI, + return combineX86ShuffleChain(Input0, Root, Mask, Depth, HasPSHUFB, DAG, DCI, Subtarget); } |
