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diff --git a/content/2022-06-18-libclang-c-to-llvm-ir/index.md b/content/2022-06-18-libclang-c-to-llvm-ir/index.md new file mode 100644 index 0000000..7d3ee63 --- /dev/null +++ b/content/2022-06-18-libclang-c-to-llvm-ir/index.md @@ -0,0 +1,32 @@ ++++ +title = "C to LLVM IR in memory using libclang" + +[taxonomies] +tags = ["llvm", "clang", "c++"] ++++ + +For some experiments with the LLVM just in time (JIT) APIs, I was looking for a +way to compile in memory from `C -> LLVM IR` and without invoking Clang as a +child process. + +I created a minimal example for my purpose based on the [Clang +source][src-clang] code and the example given in the blog post [Compiling C++ +Code In Memory With Clang][blog-clang-in-memory]. + +The code listing below shows the example with detailed comments inlined, hence +I am not further describing any details here. + +> The example was build & tested with LLVM & Clang 13. + +```cpp +{{ include(path="content/2022-06-18-libclang-c-to-llvm-ir/gen-ir.cc") }} +``` + +The following Makefile can be used to compile and run the example. + +```make +{{ include(path="content/2022-06-18-libclang-c-to-llvm-ir/Makefile") }} +``` + +[src-clang]: https://github.com/llvm/llvm-project/tree/main/clang +[blog-clang-in-memory]: https://blog.audio-tk.com/2018/09/18/compiling-c-code-in-memory-with-clang/ |