[SystemZ] Optimize fcmp X, 0 in cases where X is also negated
In such cases it's often better to test the result of the negation instead, since the negation also sets CC. llvm-svn: 197032
Loading
Please register or sign in to comment
In such cases it's often better to test the result of the negation instead, since the negation also sets CC. llvm-svn: 197032