This project contains a couple LLVM pass to get familiar with the LLVM infrastructure. The first pass pretty prints out the bytecode, while the second removes any trivially unreachable blocks from the bytecode.

+ build (llvm build directory)
| + Debug+Asserts
| | + bin (llvm and clang executables)
+ llvm (llvm source root)
| + cs565
| | + lib (source files for passes)
| | + tests (test files for passes)

######install subversion if not already installed sudo apt-get install subversion

######checkout llvm svn co http://llvm.org/svn/llvm-project/llvm/trunk llvm

######checkout clang cd llvm/tools svn co http://llvm.org/svn/llvm-project/cfe/trunk clang cd ../..

######checkout clang extra (might not be necessary) cd llvm/tools/clang/tools svn co http://llvm.org/svn/llvm-project/clang-tools-extra/trunk extra cd ../../../..

######checkout Compiler-RT cd llvm/projects svn co http://llvm.org/svn/llvm-project/compiler-rt/trunk compiler-rt cd ../..

######build everything mkdir build cd build ../llvm/configure make //takes a long time, 1-2 hours cd ..

######copy custom passes //unzip project.zip into project root directory

######build custom passes cd llvm/cs565/tests make cd ../lib make

######run prettyPrint on test1 make testPrint

######run prettyPrint on test2 make testPrint2

######run prettyPrint on test3 make testPrint3

######run naive unreachable block removal pass on test2 make testNaive

######run live variable pass on a given file in the tests dir make testLive file=test4