[llvm] [GlobalISel] Add G_INSERT_SUBVECTOR to computeNumSignBits (PR #220976)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp,h -- llvm/include/llvm/Support/KnownBits.h llvm/lib/CodeGen/GlobalISel/GISelValueTracking.cpp llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp llvm/lib/Support/KnownBits.cpp llvm/unittests/Target/AArch64/AArch64SelectionDAGTest.cpp --diff_from_common_commit
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``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index c412ccf5d..af9afeba9 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -5427,8 +5427,8 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, const APInt &DemandedElts,
     SDValue Sub = Op.getOperand(1);
     Tmp = SignBitsOps::insertSubvector(
         Src.getValueType().getVectorElementCount(),
-        Sub.getValueType().getVectorElementCount(),
-        Op.getConstantOperandVal(2), DemandedElts,
+        Sub.getValueType().getVectorElementCount(), Op.getConstantOperandVal(2),
+        DemandedElts,
         [&](unsigned OpIdx, const APInt &Demanded) {
           return ComputeNumSignBits(Op.getOperand(OpIdx), Demanded, Depth + 1);
         },

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https://github.com/llvm/llvm-project/pull/220976