Issues with xls_opt

[Mohamed Faiz]

Hi , I am very new to XLS HLS and trying out these tools. I followed the instruction as follows : 

https://google.github.io/xls/tutorials/hello_xls/   -- To build the Bazel XLS

Command I ran : bazel build -c opt xls/...

https://google.github.io/xls/tutorials/xlscc_overview/ -- To generate verilog module

However, I found that I don't have the optimized IR files in tools:

./bazel-bin/xls/tools/xls_opt

Is it located elsewhere or do I miss any steps ?

[zihao....@outlook.com]

If you are looking for the optimizer's executable, the right path is "./bazel-bin/xls/tools/opt_main".

You know, documentation may not be up to date. If you want to know which target to build, go to check the `BUILD` file in each folder.

And you don't have to build the whole project. You can do, "bazel build -c opt //xls/tools/opt_main".

I think these suggestions are enough for you to get started and play around.

[Leary, Chris]

Good tips -- I'll also make a point of updating the documentation toay to make it clear where IR files end up, thanks for reaching out!

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[Leary, Chris]

Docs on "Whirlwind Intro To Bazel": https://google.github.io/xls/build_system/#whirlwind-intro-to-bazel -- feedback / PRs welcome!