[llvm] [DAG] SelectionDAG.computeKnownBits - add NSW/NUW flags support to ISD::SHL handling (PR #89877)

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git-clang-format --diff b82a4bfb54284d96ab065596620e260319045330 1b5d17771995ffda95d3351d791646027f25b9f2 -- llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index bde6d654fe..88394ec310 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3498,7 +3498,7 @@ KnownBits SelectionDAG::computeKnownBits(SDValue Op, const APInt &DemandedElts,
 
     bool NUW = Op.getNode()->Flags.hasNoUnsignedWrap();
     bool NSW = Op.getNode()->Flags.hasNoSignedWrap();
-    
+
     bool ShAmtNonZero = Known2.isNonZero();
 
     Known = KnownBits::shl(Known, Known2, NUW, NSW, ShAmtNonZero);

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https://github.com/llvm/llvm-project/pull/89877