GitHub - ShichenLiu/C-compiler: C to LLVM / Python compiler (original) (raw)

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C-compiler

C to LLVM / Python compiler

Configure Environment

1. download from llvm-3.8.0
2. tar xf llvm-3.8.0.src.tar.xz
3. cd llvm-3.8.0.src.tar.xz
4. mkdir build
5. cd build
6. ../configure
7. make
8. make install

Note that make will take about half an hour

Compile

To compile the compiler source code

1. make clean
2. make

Run code

• ./compiler [-vfph] <c_code/your_code.c>
• -v: display generated back-end code in the terminal.
• -f: output generated back-end code to <c_code/your_code.[(ll)/(py)]>.
• -p: alternatively generate python code.
• -h: help

Test code

• using lli c_code/your_code.ll to test llvm back-end code.
• using python c_code/your_code.py to test python back-end code.