Simplify more clamped ramps
Simplify more clamped ramps

Simplify mins and maxes of ramps where the base has constant bounds:

for x from 0 to 4
min(ramp(x, 1, 4), broadcast(0, 4))

psuriana/Halide,psuriana/Halide,jiawen/Halide,ronen/Halide,psuriana/Halide,kgnk/Halide,jiawen/Halide,kgnk/Halide,ronen/Halide,kgnk/Halide,kgnk/Halide,jiawen/Halide,psuriana/Halide,ronen/Halide,jiawen/Halide,kgnk/Halide,ronen/Halide,jiawen/Halide,kgnk/Halide,psuriana/Halide,ronen/Halide,ronen/Halide,jiawen/Halide,jiawen/Halide,ronen/Halide,kgnk/Halide,psuriana/Halide,kgnk/Halide,psuriana/Halide,ronen/Halide