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))


Former-commit-id: 1884edcbbcc7f6a55073ecaa9a386bb642028399
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