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...oo.cold.1 >> >> ``` >> >> Thanks, >> Snehasish Kumar >> Software Engineer, Google >> >> >> >> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20200805/29776d80/attachment-0001.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: Machine Function Splitter.png Type: image/png Size: 49967 bytes Desc: not available URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20200805/29776d80/attachment-0001.png>

Greetings, We present “Machine Function Splitter”, a codegen optimization pass which splits functions into hot and cold parts. This pass leverages the basic block sections feature recently introduced in LLVM from the Propeller project. The pass targets functions with profile coverage, identifies cold blocks and moves them to a separate section. The linker groups all cold blocks across functions