[llvm] [X86] getFauxShuffleMask - move INSERT_SUBVECTOR(SRC0, EXTRACT_SUBVECTOR(SRC1)) matching behind common one use bitcast checks (PR #134227)

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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp -- llvm/lib/Target/X86/X86ISelLowering.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 79cfe7766..1ce756bef 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -6198,7 +6198,8 @@ static bool getFauxShuffleMask(SDValue N, const APInt &DemandedElts,
         SubSrc.getOperand(0).getValueSizeInBits() == NumSizeInBits) {
       uint64_t ExtractIdx = SubSrc.getConstantOperandVal(1);
       SDValue SubSrcSrc = SubSrc.getOperand(0);
-      unsigned NumSubSrcBCElts = SubSrcSrc.getValueType().getVectorNumElements();
+      unsigned NumSubSrcBCElts =
+          SubSrcSrc.getValueType().getVectorNumElements();
       unsigned MaxElts = std::max(NumElts, NumSubSrcBCElts);
       assert((MaxElts % NumElts) == 0 && (MaxElts % NumSubSrcBCElts) == 0 &&
              "Subvector valuetype mismatch");

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https://github.com/llvm/llvm-project/pull/134227