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Summary:
lcov tracefiles are used by various coverage reporting tools and build
systems (e.g., Bazel). It is a simple text-based format to parse and
more convenient to use than the JSON export format, which needs
additional processing to map regions/segments back to line numbers.
It's a little unfortunate that "text" format is now overloaded to refer
specifically to JSON for export, but I wanted to avoid making any
breaking changes to the UI of the llvm-cov tool at this time.
Patch by Tony Allevato (@allevato).
Reviewers: Dor1s, vsk
Reviewed By: Dor1s, vsk
Subscribers: mgorny, llvm-commits
Differential Revision: https://reviews.llvm.org/D54266
llvm-svn: 346506
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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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Based on a patch by Harlan Haskins!
Differential Revision: http://reviews.llvm.org/D18278
llvm-svn: 274688
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This makes it easier to add renderers for new kinds of output formats.
- Define and document a pure-virtual coverage rendering interface.
- Move the text-based rendering logic into its a new file.
- Re-work the API to better reflect the presentation/formatting split.
llvm-svn: 273767
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Differential Revision: http://reviews.llvm.org/D19333
llvm-svn: 268089
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PR22575 occurred because we were unsafely storing references into a
std::vector. If the vector moved because it grew, we'd be left
iterating through garbage memory. This avoids the issue by simplifying
the logic to gather coverage information as we go, rather than storing
it and iterating over it.
I'm relying on the existing tests showing that this is semantically
NFC, since it's difficult to hit the issue this fixes without
relatively large covered programs.
llvm-svn: 229215
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This splits the logic for actually looking up coverage information
from the logic that displays it. These were tangled rather thoroughly
so this change is a bit large, but it mostly consists of moving things
around. The coverage lookup logic itself now lives in the library,
rather than being spread between the library and the tool.
llvm-svn: 218184
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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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The gcov compatible code is moved to its own file and
llvm-cov is updated to be a wrapper that always calls
the gcov main function.
llvm-svn: 214107
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overkill.
llvm-svn: 194695
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llvm-svn: 141104
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Add llvm-cov skeleton. It has initial support to read coverage info generated by GCOVProfiling.cpp.
Today, you can do
prompt> clang a.c -ftest-coverage -fprofile-arcs -o a
prompt> ./a
prompt> llvm-cov -gcno a.gcno -gcda a.gcda
a.c
: #include "a.h"
:
: int main() {
: int i = 0;
: if (i) {
1: int j = 0;
1: j = 1;
1: } else {
: int k = 1;
: k = 2;
: }
1: return 0;
: }
:
:
llvm-svn: 140712
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