remove static declaration

Author: ylzsx

llvm/lib/Target/LoongArch/LoongArchISelDAGToDAG.cpp

@@ -154,9 +154,10 @@ void LoongArchDAGToDAGISel::Select(SDNode *Node) {
 
     // Select appropriate [x]vldi instructions for some special constant splats,
     // where the immediate value `imm[12] == 1` for used [x]vldi instructions.
+    const auto &TLI =
+        *static_cast<const LoongArchTargetLowering *>(getTargetLowering());
     std::pair<bool, uint64_t> ConvertVLDI =
-        LoongArchTargetLowering::isImmVLDILegalForMode1(SplatValue,
-                                                        SplatBitSize);
+        TLI.isImmVLDILegalForMode1(SplatValue, SplatBitSize);
     if (ConvertVLDI.first) {
       Op = Is256Vec ? LoongArch::XVLDI : LoongArch::VLDI;
       SDValue Imm = CurDAG->getSignedTargetConstant(

llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp

@@ -8512,9 +8512,8 @@ SDValue LoongArchTargetLowering::LowerReturn(
 // Note: The following prefixes are excluded:
 //   imm[11:8] == 4'b0000, 4'b0100, 4'b1000
 // as they can be represented using [x]vrepli.[whb]
-std::pair<bool, uint64_t>
-LoongArchTargetLowering::isImmVLDILegalForMode1(const APInt &SplatValue,
-                                                const unsigned SplatBitSize) {
+std::pair<bool, uint64_t> LoongArchTargetLowering::isImmVLDILegalForMode1(
+    const APInt &SplatValue, const unsigned SplatBitSize) const {
   uint64_t RequiredImm = 0;
   uint64_t V = SplatValue.getZExtValue();
   if (SplatBitSize == 16 && !(V & 0x00FF)) {

llvm/lib/Target/LoongArch/LoongArchISelLowering.h

@@ -341,8 +341,9 @@ class LoongArchTargetLowering : public TargetLowering {
 
   /// Check if a constant splat can be generated using [x]vldi, where imm[12]
   /// is 1.
-  static std::pair<bool, uint64_t>
-  isImmVLDILegalForMode1(const APInt &SplatValue, const unsigned SplatBitSize);
+  std::pair<bool, uint64_t>
+  isImmVLDILegalForMode1(const APInt &SplatValue,
+                         const unsigned SplatBitSize) const;
 
 private:
   /// Target-specific function used to lower LoongArch calling conventions.