Reuse current SpecializeClampedRamp instance for recursively mutating the stmt.
Reuse current SpecializeClampedRamp instance for recursively mutating the stmt.


Former-commit-id: bdd8a5cfaa137dd68562e70cd1d96f5567596a6e
Trass3r/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,Trass3r/Halide,darkbuck/Halide,Trass3r/Halide,darkbuck/Halide