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Add new -Z dump-mir-spanview option #76074

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merged 1 commit into from
Sep 2, 2020

Commits on Sep 1, 2020

  1. Add new -Z dump-mir-spanview option

    Similar to `-Z dump-mir-graphviz`, this adds the option to write
    HTML+CSS files that allow users to analyze the spans associated with MIR
    elements (by individual statement, just terminator, or overall basic
    block).
    
    This PR was split out from PR rust-lang#76004, and exposes an API for spanview
    HTML+CSS files that is also used to analyze code regions chosen for
    coverage instrumentation (in a follow-on PR).
    
    Rust compiler MCP rust-lang/compiler-team#278
    
    Relevant issue: rust-lang#34701 - Implement support for LLVMs code coverage
    instrumentation
    richkadel committed Sep 1, 2020
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