Merge branch 'approx_hpvm' of https://gitlab.engr.illinois.edu/llvm/hpvm into approx_hpvm

...ensor-rt/code_autogenerators/knob_config_fp32_to_fp16.txt

...-tensor-rt/code_autogenerators/knob_config_fp32_vgg16.txt

...s/hpvm-tensor-rt/code_autogenerators/knob_config_test.txt

...projects/soc_simulator/src/driver_new_config_fp16_repl.py

...lenet/data/autotuner_data/tuner_pareto_confs_batch220.txt

llvm/test/VISC/DNN_Benchmarks/benchmarks/lenet_dsoc/Makefile

...mnist/data/autotuner_data/tuner_pareto_confs_batch220.txt

...ks/mobilenet/data/autotuner_data/tuner_confs_batch220.txt

...lenet/data/autotuner_data/tuner_pareto_confs_batch220.txt

...ata/autotuner_data/tuner_promise_confs_batch220_multi.txt

...ta/autotuner_data/tuner_promise_confs_batch220_multi2.txt

...ta/autotuner_data/tuner_promise_confs_batch220_single.txt

...rks/resnet18/data/autotuner_data/tuner_confs_batch220.txt

...net18/data/autotuner_data/tuner_pareto_confs_batch220.txt

...ata/autotuner_data/tuner_promise_confs_batch220_multi.txt

...ta/autotuner_data/tuner_promise_confs_batch220_single.txt