updated clamped vector load code to use IR node make methods
updated clamped vector load code to use IR node make methods

kenkuang1213/Halide,psuriana/Halide,mcanthony/Halide,myrtleTree33/Halide,kenkuang1213/Halide,kgnk/Halide,kgnk/Halide,tdenniston/Halide,rodrigob/Halide,fengzhyuan/Halide,dougkwan/Halide,myrtleTree33/Halide,mikeseven/Halide,adasworks/Halide,damienfir/Halide,ronen/Halide,kgnk/Halide,mcanthony/Halide,mcanthony/Halide,tdenniston/Halide,jiawen/Halide,kenkuang1213/Halide,rodrigob/Halide,delcypher/Halide,aam/Halide,delcypher/Halide,psuriana/Halide,kgnk/Halide,dan-tull/Halide,dougkwan/Halide,damienfir/Halide,gchauras/Halide,ayanazmat/Halide,lglucin/Halide,gchauras/Halide,adasworks/Halide,adasworks/Halide,dan-tull/Halide,mikeseven/Halide,myrtleTree33/Halide,mcanthony/Halide,dan-tull/Halide,psuriana/Halide,jiawen/Halide,fengzhyuan/Halide,gchauras/Halide,fengzhyuan/Halide,myrtleTree33/Halide,dougkwan/Halide,smxlong/Halide,damienfir/Halide,adasworks/Halide,kenkuang1213/Halide,ayanazmat/Halide,ronen/Halide,aam/Halide,kgnk/Halide,ronen/Halide,rodrigob/Halide,dougkwan/Halide,ronen/Halide,tdenniston/Halide,jiawen/Halide,dan-tull/Halide,ayanazmat/Halide,dan-tull/Halide,damienfir/Halide,fengzhyuan/Halide,kgnk/Halide,ronen/Halide,ayanazmat/Halide,fengzhyuan/Halide,jiawen/Halide,kgnk/Halide,lglucin/Halide,ayanazmat/Halide,ayanazmat/Halide,lglucin/Halide,delcypher/Halide,damienfir/Halide,dougkwan/Halide,mcanthony/Halide,tdenniston/Halide,rodrigob/Halide,lglucin/Halide,kenkuang1213/Halide,gchauras/Halide,delcypher/Halide,damienfir/Halide,smxlong/Halide,smxlong/Halide,ayanazmat/Halide,dougkwan/Halide,adasworks/Halide,lglucin/Halide,tdenniston/Halide,ronen/Halide,mcanthony/Halide,psuriana/Halide,tdenniston/Halide,jiawen/Halide,adasworks/Halide,dan-tull/Halide,aam/Halide,fengzhyuan/Halide,fengzhyuan/Halide,aam/Halide,smxlong/Halide,damienfir/Halide,delcypher/Halide,rodrigob/Halide,adasworks/Halide,kenkuang1213/Halide,aam/Halide,smxlong/Halide,delcypher/Halide,jiawen/Halide,psuriana/Halide,dougkwan/Halide,ayanazmat/Halide,mikeseven/Halide,myrtleTree33/Halide,rodrigob/Halide,mcanthony/Halide,gchauras/Halide,tdenniston/Halide,kenkuang1213/Halide,adasworks/Halide,mikeseven/Halide,delcypher/Halide,ronen/Halide,smxlong/Halide,myrtleTree33/Halide,tdenniston/Halide,psuriana/Halide,aam/Halide,mikeseven/Halide,smxlong/Halide,dan-tull/Halide,rodrigob/Halide,mcanthony/Halide,ronen/Halide,dan-tull/Halide,dougkwan/Halide,aam/Halide,kgnk/Halide,lglucin/Halide,gchauras/Halide,delcypher/Halide,smxlong/Halide,fengzhyuan/Halide,damienfir/Halide,kenkuang1213/Halide,lglucin/Halide,rodrigob/Halide,myrtleTree33/Halide,myrtleTree33/Halide,jiawen/Halide,psuriana/Halide