[NFC][TargetLowering] `isSplatValueForTargetNode()`: add `DAG` operand

Without it we can't recurse further.

diff --git a/llvm/include/llvm/CodeGen/TargetLowering.h b/llvm/include/llvm/CodeGen/TargetLowering.h
index aa85a78..529d3f9 100644 (file)
--- a/llvm/include/llvm/CodeGen/TargetLowering.h
+++ b/llvm/include/llvm/CodeGen/TargetLowering.h
@@ -3909,6 +3909,7 @@ public:
   /// indicating any elements which may be undef in the output \p UndefElts.
   virtual bool isSplatValueForTargetNode(SDValue Op, const APInt &DemandedElts,
                                          APInt &UndefElts,
+                                         const SelectionDAG &DAG,
                                          unsigned Depth = 0) const;
 
   /// Returns true if the given Opc is considered a canonical constant for the

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 936aab2..2fe85a0 100644 (file)
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -2628,7 +2628,8 @@ bool SelectionDAG::isSplatValue(SDValue V, const APInt &DemandedElts,
   default:
     if (Opcode >= ISD::BUILTIN_OP_END || Opcode == ISD::INTRINSIC_WO_CHAIN ||
         Opcode == ISD::INTRINSIC_W_CHAIN || Opcode == ISD::INTRINSIC_VOID)
-      return TLI->isSplatValueForTargetNode(V, DemandedElts, UndefElts, Depth);
+      return TLI->isSplatValueForTargetNode(V, DemandedElts, UndefElts, *this,
+                                            Depth);
     break;
 }
 

diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 0c9caa7..8d4c880 100644 (file)
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -3634,6 +3634,7 @@ bool TargetLowering::isKnownNeverNaNForTargetNode(SDValue Op,
 bool TargetLowering::isSplatValueForTargetNode(SDValue Op,
                                                const APInt &DemandedElts,
                                                APInt &UndefElts,
+                                               const SelectionDAG &DAG,
                                                unsigned Depth) const {
   assert((Op.getOpcode() >= ISD::BUILTIN_OP_END ||
           Op.getOpcode() == ISD::INTRINSIC_WO_CHAIN ||

diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 049700c..e7815a8 100644 (file)
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -42998,6 +42998,7 @@ bool X86TargetLowering::canCreateUndefOrPoisonForTargetNode(
 bool X86TargetLowering::isSplatValueForTargetNode(SDValue Op,
                                                   const APInt &DemandedElts,
                                                   APInt &UndefElts,
+                                                  const SelectionDAG &DAG,
                                                   unsigned Depth) const {
   unsigned NumElts = DemandedElts.getBitWidth();
   unsigned Opc = Op.getOpcode();
@@ -43010,7 +43011,7 @@ bool X86TargetLowering::isSplatValueForTargetNode(SDValue Op,
   }
 
   return TargetLowering::isSplatValueForTargetNode(Op, DemandedElts, UndefElts,
-                                                   Depth);
+                                                   DAG, Depth);
 }
 
 // Helper to peek through bitops/trunc/setcc to determine size of source vector.

diff --git a/llvm/lib/Target/X86/X86ISelLowering.h b/llvm/lib/Target/X86/X86ISelLowering.h
index 7d9b2e1..68a6f19 100644 (file)
--- a/llvm/lib/Target/X86/X86ISelLowering.h
+++ b/llvm/lib/Target/X86/X86ISelLowering.h
@@ -1188,7 +1188,7 @@ namespace llvm {
         bool PoisonOnly, bool ConsiderFlags, unsigned Depth) const override;
 
     bool isSplatValueForTargetNode(SDValue Op, const APInt &DemandedElts,
-                                   APInt &UndefElts,
+                                   APInt &UndefElts, const SelectionDAG &DAG,
                                    unsigned Depth) const override;
 
     bool isTargetCanonicalConstantNode(SDValue Op) const override {