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rust/src/test/run-make-fulldeps/coverage/coverage_tools.mk

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Remap instrument-coverage line numbers in doctests This uses the `SourceMap::doctest_offset_line` method to re-map line numbers from doctests. Remapping columns is not yet done. Part of issue #79417.
2020-12-06 12:57:37 +00:00
# Common Makefile include for Rust `run-make-fulldeps/coverage-* tests. Include this
Tools, tests, and experimenting with MIR-derived coverage counters Adds a new mir_dump output file in HTML/CSS to visualize code regions and the MIR features that they came from (including overlapping spans). See example below: Includes a basic, MIR-block-based implementation of coverage injection, available via `-Zexperimental-coverage`. This implementation has known flaws and omissions, but is simple enough to validate the new tools and tests. The existing `-Zinstrument-coverage` option currently enables function-level coverage only, which at least appears to generate accurate coverage reports at that level. Experimental coverage is not accurate at this time. When branch coverage works as intended, the `-Zexperimental-coverage` option should be removed. This PR replaces the bulk of PR #75828, with the remaining parts of that PR distributed among other separate and indentpent PRs. This PR depends on three of those other PRs: #76000, #76002, and Rust compiler MCP rust-lang/compiler-team#278 Relevant issue: #34701 - Implement support for LLVMs code coverage instrumentation ![Screen-Recording-2020-08-21-at-2](https://user-images.githubusercontent.com/3827298/90972923-ff417880-e4d1-11ea-92bb-8713c6198f6d.gif)
2020-08-27 21:13:04 +00:00
# file with the line:
#
Remap instrument-coverage line numbers in doctests This uses the `SourceMap::doctest_offset_line` method to re-map line numbers from doctests. Remapping columns is not yet done. Part of issue #79417.
2020-12-06 12:57:37 +00:00
# -include ../coverage/coverage_tools.mk
Tools, tests, and experimenting with MIR-derived coverage counters Adds a new mir_dump output file in HTML/CSS to visualize code regions and the MIR features that they came from (including overlapping spans). See example below: Includes a basic, MIR-block-based implementation of coverage injection, available via `-Zexperimental-coverage`. This implementation has known flaws and omissions, but is simple enough to validate the new tools and tests. The existing `-Zinstrument-coverage` option currently enables function-level coverage only, which at least appears to generate accurate coverage reports at that level. Experimental coverage is not accurate at this time. When branch coverage works as intended, the `-Zexperimental-coverage` option should be removed. This PR replaces the bulk of PR #75828, with the remaining parts of that PR distributed among other separate and indentpent PRs. This PR depends on three of those other PRs: #76000, #76002, and Rust compiler MCP rust-lang/compiler-team#278 Relevant issue: #34701 - Implement support for LLVMs code coverage instrumentation ![Screen-Recording-2020-08-21-at-2](https://user-images.githubusercontent.com/3827298/90972923-ff417880-e4d1-11ea-92bb-8713c6198f6d.gif)
2020-08-27 21:13:04 +00:00
-include ../tools.mk
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