Chen Zheng 4952e668f8 [InstCombine] canonicalize MUL with NEG operand
-X * Y --> -(X * Y)
X * -Y --> -(X * Y)

Differential Revision: https://reviews.llvm.org/D55961

llvm-svn: 350185
2019-01-01 01:09:20 +00:00
..