[llvm] [RISCV] Generalize the (ADD (SLLI X, 32), X) special case in constant… (PR #66931)

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``````````bash
git-clang-format --diff a5686c2b5541c58c9a1dd760761c369124546f78 3e13faf642b3645491c5dd6342803fb11d8bb38e -- llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp llvm/lib/Target/RISCV/RISCVISelLowering.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
index 2d242cefe641..e12fda51e67c 100644
--- a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
@@ -224,7 +224,8 @@ static SDValue selectImm(SelectionDAG *CurDAG, const SDLoc &DL, const MVT VT,
 
           SDValue SLLI = SDValue(
               CurDAG->getMachineNode(RISCV::SLLI, DL, VT, Lo,
-                                     CurDAG->getTargetConstant(MatchedAdd ? ShiftAmt : 32, DL, VT)),
+                                     CurDAG->getTargetConstant(
+                                         MatchedAdd ? ShiftAmt : 32, DL, VT)),
               0);
           // Prefer ADD when possible.
           unsigned AddOpc = MatchedAdd ? RISCV::ADD : RISCV::ADD_UW;

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https://github.com/llvm/llvm-project/pull/66931