[llvm] [DAGCombiner] `visitSIGN_EXTEND_INREG` - fold `(sext_inreg (freeze (extload x)))` -> `(freeze (sextload x))` (PR #226208)

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``````````bash
git-clang-format --diff origin/main HEAD --extensions cpp -- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp --diff_from_common_commit
``````````

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``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 94b41c293..a6a805079 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -17543,7 +17543,8 @@ SDValue DAGCombiner::visitSIGN_EXTEND_INREG(SDNode *N) {
   }
 
   // fold (sext_inreg (masked_load x)) -> (sext_masked_load x)
-  if (auto *Ld = dyn_cast<MaskedLoadSDNode>(Frozen && N0.hasOneUse() ? N0.getOperand(0) : N0)) {
+  if (auto *Ld = dyn_cast<MaskedLoadSDNode>(
+          Frozen && N0.hasOneUse() ? N0.getOperand(0) : N0)) {
     if (ExtVT == Ld->getMemoryVT() && Ld->hasNUsesOfValue(1, 0) &&
         Ld->getExtensionType() != ISD::LoadExtType::NON_EXTLOAD &&
         TLI.isLoadLegal(VT, ExtVT, Ld->getAlign(), Ld->getAddressSpace(),

``````````

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https://github.com/llvm/llvm-project/pull/226208