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Teach llvm-cov to use the new llvm JSON library, and remove some
redundant/brittle JSON serialization tests.
llvm-svn: 342088
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We've worked around bugs in the frontend by ignoring the count from
wrapped segments when a line has at least one region entry segment.
Those frontend bugs are now fixed, so it's time to regenerate the
checked-in covmapping files and remove the workaround.
llvm-svn: 317761
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A coverage segment contains a starting line and column, an execution
count, and some other metadata. Clients of the coverage library use
segments to prepare line-oriented reports.
Users of the coverage library depend on segments being unique and sorted
in source order. Currently this is not guaranteed (this is why the clang
change which introduced deferred regions was reverted).
This commit documents the "unique and sorted" condition and asserts that
it holds. It also fixes the SegmentBuilder so that it produces correct
output in some edge cases.
Testing: I've added unit tests for some edge cases. I've also checked
that the new SegmentBuilder implementation is fully covered. Apart from
running check-profile and the llvm-cov tests, I've successfully used a
stage1 llvm-cov to prepare a coverage report for an instrumented clang
binary.
Differential Revision: https://reviews.llvm.org/D36813
llvm-svn: 312817
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another machine to your local copies
Summary:
This patch adds the -path-equivalence option (example: llvm-cov show -path-equivalence=/origin/path,/local/path) which maps the source code path from one machine to another when using `llvm-cov show`. This is similar to the -filename-equivalence option, but doesn't require you to specify all the source files on the command line.
This allows you to generate the coverage data on one machine (e.g. in a CI system), and then use llvm-cov on another machine where you have the same code base on a different path.
Reviewers: vsk
Reviewed By: vsk
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D36391
llvm-svn: 310827
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The text and html coverage views take different approaches to emitting
highlighted regions. That's because this problem is easier in the text
view: there's no need to worry about escaping text or adding tooltip
content to a highlighted snippet.
Unfortunately, the html view didn't get region highlighting quite right.
This patch fixes the situation, bringing parity between the two views.
llvm-svn: 280981
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llvm-cov's `-dump' option now emits information which helps debug source
range highlighting in html mode.
llvm-svn: 276924
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This enables users to export coverage information as portable JSON for use by
analysis tools and storage in document based databases.
The export sub-command is invoked just like the others:
llvm-cov export -instr-profile path/to/foo.profdata path/to/foo.binary
The resulting JSON contains a list of files and functions. Every file object
contains a list of segments, expansions, and a summary of the file's region,
function, and line coverage. Every function object contains the function's name
and regions. There is also a total summary for the entire object file.
Changes since the initial commit (r276813):
- Fixed the regexes in the tests to handle Windows filepaths.
Patch by Eddie Hurtig!
Differential Revision: https://reviews.llvm.org/D22651
llvm-svn: 276818
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This reverts commit r276813. The Windows bots are complaining about some
of the filename regexes in the tests:
http://bb.pgr.jp/builders/ninja-clang-i686-msc19-R/builds/5299
llvm-svn: 276816
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This enables users to export coverage information as portable JSON for use by
analysis tools and storage in document based databases.
The export sub-command is invoked just like the others:
llvm-cov export -instr-profile path/to/foo.profdata path/to/foo.binary
The resulting JSON contains a list of files and functions. Every file object
contains a list of segments, expansions, and a summary of the file's region,
function, and line coverage. Every function object contains the function's name
and regions. There is also a total summary for the entire object file.
Patch by Eddie Hurtig!
Differential Revision: https://reviews.llvm.org/D22651
llvm-svn: 276813
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This still doesn't actually work correctly for big endian input files,
but since these tests all use little endian input files they don't
actually fail. I'll be committing a real fix for big endian soon, but
I don't have proper tests for it yet.
llvm-svn: 232354
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It's not entirely clear to me what this field was meant for, but it's
always false. Remove it.
llvm-svn: 228034
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This changes the debug output of the llvm-cov tool to consistently
write to stderr, and moves the highlighting output closer to where
it's relevant.
llvm-svn: 217838
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llvm-svn: 216310
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clang's pgo.
This commit expands llvm-cov's functionality by adding support for a new code coverage
tool that uses LLVM's coverage mapping format and clang's instrumentation based profiling.
The gcov compatible tool can be invoked by supplying the 'gcov' command as the first argument,
or by modifying the tool's name to end with 'gcov'.
Differential Revision: http://reviews.llvm.org/D4445
llvm-svn: 216300
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