is_negative_negatable_const checks against imin of casted types.
is_negative_negatable_const checks against imin of casted types.


Former-commit-id: 236c6c944d24426180548c72dfaa955167b4e571
darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,darkbuck/Halide