Resolves #173770 Adds m_SpecificNeg(SDValue V) to match either m_Neg(m_Specific(V)) or constant/build-vector where elements are the negation of V's constants Has unit test coverage on SelectionDAGPatternMatchTest.cpp
Resolves #173770 Adds m_SpecificNeg(SDValue V) to match either m_Neg(m_Specific(V)) or constant/build-vector where elements are the negation of V's constants Has unit test coverage on SelectionDAGPatternMatchTest.cpp