[llvm] [SelectionDAG] Add m_Neg and m_Not pattern matcher and update DAGCombiner (PR #85365)

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git-clang-format --diff f9a14782000e6aa2c4031bc97b20c351a9f281c3 fac4e977dfc7a13d68a6c375377b824b2b0b0c1d -- llvm/include/llvm/CodeGen/SDPatternMatch.h llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp llvm/unittests/CodeGen/SelectionDAGPatternMatchTest.cpp
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View the diff from clang-format here.
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``````````diff
diff --git a/llvm/include/llvm/CodeGen/SDPatternMatch.h b/llvm/include/llvm/CodeGen/SDPatternMatch.h
index 2a475651b5..2cdd857714 100644
--- a/llvm/include/llvm/CodeGen/SDPatternMatch.h
+++ b/llvm/include/llvm/CodeGen/SDPatternMatch.h
@@ -708,15 +708,13 @@ inline auto m_False() {
 
 /// Match a negtive as a sub(0, v)
 template <typename ValTy>
-inline BinaryOpc_match<SpecificInt_match, ValTy>
-m_Neg(const ValTy &V) {
+inline BinaryOpc_match<SpecificInt_match, ValTy> m_Neg(const ValTy &V) {
   return m_Sub(m_Zero(), V);
 }
 
 /// Match a Not as a xor(v, 1) or xor(1, v)
 template <typename ValTy>
-inline BinaryOpc_match<SpecificInt_match, ValTy, true>
-m_Not(const ValTy &V) {
+inline BinaryOpc_match<SpecificInt_match, ValTy, true> m_Not(const ValTy &V) {
   return m_Xor(m_AllOnes(), V);
 }
 } // namespace SDPatternMatch

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https://github.com/llvm/llvm-project/pull/85365