[llvm] [AArch64] Add optimizations that are not added as a result of custom lowering for min/max (PR #151880)

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``````````bash
git-clang-format --diff HEAD~1 HEAD --extensions cpp -- llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
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View the diff from clang-format here.
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diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
index c99b07147..3fc661719 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -10980,7 +10980,7 @@ SDValue AArch64TargetLowering::LowerMinMax(SDValue Op,
     }
   }
 
-    // umax(x,1) --> sub(x,cmpeq(x,0)) iff cmp result is allbits
+  // umax(x,1) --> sub(x,cmpeq(x,0)) iff cmp result is allbits
   if (Opcode == ISD::UMAX && llvm::isOneOrOneSplat(Op1, true) && BoolVT == VT &&
       getBooleanContents(VT) == ZeroOrNegativeOneBooleanContent) {
     Op0 = DAG.getFreeze(Op0);

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https://github.com/llvm/llvm-project/pull/151880