Avoid upgrading loop max bounds to 64-bit
Avoid upgrading loop max bounds to 64-bit

jiawen/Halide,jiawen/Halide,jiawen/Halide,adasworks/Halide,adasworks/Halide,kgnk/Halide,adasworks/Halide,psuriana/Halide,adasworks/Halide,psuriana/Halide,ronen/Halide,dougkwan/Halide,tdenniston/Halide,kgnk/Halide,ronen/Halide,dougkwan/Halide,jiawen/Halide,kgnk/Halide,kgnk/Halide,kgnk/Halide,jiawen/Halide,tdenniston/Halide,kgnk/Halide,tdenniston/Halide,dougkwan/Halide,adasworks/Halide,jiawen/Halide,tdenniston/Halide,dougkwan/Halide,dougkwan/Halide,jiawen/Halide,tdenniston/Halide,dougkwan/Halide,ronen/Halide,ronen/Halide,kgnk/Halide,psuriana/Halide,ronen/Halide,ronen/Halide,tdenniston/Halide,tdenniston/Halide,psuriana/Halide,adasworks/Halide,dougkwan/Halide,ronen/Halide,dougkwan/Halide,tdenniston/Halide,psuriana/Halide,psuriana/Halide,psuriana/Halide,ronen/Halide,adasworks/Halide,adasworks/Halide,kgnk/Halide