Reverse the order of if tree to reflect desired precedence of GPU APIs.
Reverse the order of if tree to reflect desired precedence of GPU APIs.

mcanthony/Halide,dan-tull/Halide,adasworks/Halide,psuriana/Halide,tdenniston/Halide,dougkwan/Halide,delcypher/Halide,ronen/Halide,adasworks/Halide,dan-tull/Halide,dan-tull/Halide,kgnk/Halide,ronen/Halide,dan-tull/Halide,psuriana/Halide,adasworks/Halide,myrtleTree33/Halide,kgnk/Halide,kenkuang1213/Halide,myrtleTree33/Halide,psuriana/Halide,kenkuang1213/Halide,adasworks/Halide,delcypher/Halide,kenkuang1213/Halide,jiawen/Halide,ronen/Halide,dan-tull/Halide,jiawen/Halide,tdenniston/Halide,psuriana/Halide,jiawen/Halide,delcypher/Halide,tdenniston/Halide,mcanthony/Halide,myrtleTree33/Halide,dougkwan/Halide,mcanthony/Halide,dan-tull/Halide,dan-tull/Halide,smxlong/Halide,mcanthony/Halide,ronen/Halide,delcypher/Halide,tdenniston/Halide,delcypher/Halide,adasworks/Halide,mcanthony/Halide,jiawen/Halide,kgnk/Halide,psuriana/Halide,smxlong/Halide,ronen/Halide,ronen/Halide,mcanthony/Halide,myrtleTree33/Halide,kgnk/Halide,dougkwan/Halide,smxlong/Halide,jiawen/Halide,mcanthony/Halide,myrtleTree33/Halide,dan-tull/Halide,ronen/Halide,smxlong/Halide,myrtleTree33/Halide,kgnk/Halide,kgnk/Halide,tdenniston/Halide,jiawen/Halide,kenkuang1213/Halide,smxlong/Halide,jiawen/Halide,myrtleTree33/Halide,adasworks/Halide,mcanthony/Halide,delcypher/Halide,kgnk/Halide,adasworks/Halide,delcypher/Halide,dougkwan/Halide,tdenniston/Halide,myrtleTree33/Halide,adasworks/Halide,dougkwan/Halide,kenkuang1213/Halide,tdenniston/Halide,tdenniston/Halide,dougkwan/Halide,kenkuang1213/Halide,smxlong/Halide,dougkwan/Halide,kgnk/Halide,psuriana/Halide,delcypher/Halide,psuriana/Halide,ronen/Halide,smxlong/Halide,dougkwan/Halide,smxlong/Halide,kenkuang1213/Halide,kenkuang1213/Halide