Revert "Merge branch 'hpvm-devisc' into 'hpvm-reorg-9'"

.gitignore

hpvm/include/BuildDFG/BuildDFG.h

hpvm/include/GenVISC/GenVISC.h

hpvm/include/SupportVISC/DFG2LLVM.h

hpvm/include/SupportVISC/DFGTreeTraversal.h

hpvm/include/SupportVISC/DFGraph.h

hpvm/include/SupportVISC/VISCHint.h

hpvm/include/SupportVISC/VISCTimer.h

hpvm/include/SupportVISC/VISCUtils.h

hpvm/lib/Transforms/BuildDFG/BuildDFG.cpp

hpvm/lib/Transforms/CMakeLists.txt

hpvm/lib/Transforms/ClearDFG/ClearDFG.cpp

hpvm/lib/Transforms/DFG2LLVM_NVPTX/DFG2LLVM_NVPTX.cpp

hpvm/lib/Transforms/DFG2LLVM_X86/DFG2LLVM_X86.cpp

hpvm/lib/Transforms/GenVISC/CMakeLists.txt

hpvm/lib/Transforms/GenVISC/GenVISC.cpp

hpvm/lib/Transforms/GenVISC/GenVISC.exports

hpvm/lib/Transforms/GenVISC/LLVMBuild.txt

hpvm/lib/Transforms/LocalMem/LocalMem.cpp

hpvm/llvm_installer/llvm_installer.sh