Avoid int-truncated-to-bool warning in MSVC
Avoid int-truncated-to-bool warning in MSVC

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