[RISCV] Fix an unused variable warning

 llvm-project/llvm/lib/Target/RISCV/RISCVISelLowering.cpp:3793:7:
 error: unused variable 'XLenVT' [-Werror,-Wunused-variable]

diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index a28dbef..582e66b 100644 (file)
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -3790,7 +3790,6 @@ static SDValue lowerVECTOR_SHUFFLEAsVSlide1(const SDLoc &DL, MVT VT,
   if (InsertIdx < 0 || InsertIdx / NumElts != (unsigned)OpsSwapped)
     return SDValue();
 
-  MVT XLenVT = Subtarget.getXLenVT();
   MVT ContainerVT = getContainerForFixedLengthVector(DAG, VT, Subtarget);
   auto [TrueMask, VL] = getDefaultVLOps(VT, ContainerVT, DL, DAG, Subtarget);
   auto OpCode = IsVSlidedown ?