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In this talk, Jeremy explains how LLVM has been tracking variable locations to date and its limitations, how a proposed new technique for tracking variable locations works, and how this can become a pair of SSA (Single Static Assignment) problems to solve at the end of compilation.
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llvm-diva is a command line tool that processes the Debugging Information (DWARF, COFF, CodeView) contained in binary files (ELF, PDB, MacOS) and produces a logical view, which is a high-level representation of the debug information. The logical view is composed of elements such as: scopes, types, symbols and lines. These elements can display additional information, such as a variable coverage factor, lexical block level, template argument encoding, etc.
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The Program Repository (llvm-prepo) is an LLVM/Clang compiler with program repository support. It aims to improve turnaround times and eliminate duplication of effort by centralising program data in a repository. This lightning talk will focus on showing how using the llvm-prepo and ccache together achieves much faster builds than using either of them individually.
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