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* [Coverage] Emit deferred regions in headersVedant Kumar2017-11-091-0/+5
| | | | | | | | | | | There are some limitations with emitting regions in macro expansions because we don't gather file IDs within the expansions. Fix the check that prevents us from emitting deferred regions in expansions to make an exception for headers, which is something we can handle. rdar://35373009 llvm-svn: 317760
* Reapply [Coverage] Fix an assertion failure if the definition of an unused ↵Igor Kudrin2016-06-072-0/+2
| | | | | | | | | | | | | | | function spans multiple files. We have an assertion failure if, for example, the definition of an unused inline function starts in one macro and ends in another. This patch fixes the issue by finding the common ancestor of the start and end locations of that function's body and changing the locations accordingly. Thanks to NAKAMURA Takumi for helping with fixing the test failure on Windows. Differential Revision: http://reviews.llvm.org/D20997 llvm-svn: 271995
* Revert [Coverage] Fix an assertion failure if the definition of an unused ↵Igor Kudrin2016-06-072-2/+0
| | | | | | | | function spans multiple files. r271969 The test case fails on Windows. llvm-svn: 271976
* [Coverage] Fix an assertion failure if the definition of an unused function ↵Igor Kudrin2016-06-072-0/+2
| | | | | | | | | | | | | spans multiple files. We have an assertion failure if, for example, the definition of an unused inline function starts in one macro and ends in another. This patch fixes the issue by finding the common ancestor of the start and end locations of that function's body and changing the locations accordingly. Differential Revision: http://reviews.llvm.org/D20997 llvm-svn: 271969
* [Lexer] Don't merge macro args from different macro filesVedant Kumar2016-05-191-0/+13
| | | | | | | | | | | | | | | | | | The lexer sets the end location of macro arguments incorrectly *if*, while merging consecutive args to fit into a single SLocEntry, it finds args which come from different macro files. Fix the issue by using separate SLocEntries in this situation. This fixes a code coverage crasher (rdar://problem/26181005). Because the lexer reported end locations for certain macro args incorrectly, we would generate bogus coverage mappings with negative line offsets. Reviewed-by: akyrtzi Differential Revision: http://reviews.llvm.org/D20401 llvm-svn: 270160
* InstrProf: Rewrite most of coverage mapping generation in a simpler wayJustin Bogner2015-02-184-0/+16
| | | | | | | | | | | | | | | | | | | | | | | The coverage mapping generation code previously generated a large number of redundant coverage regions and then tried to merge similar ones back together. This then relied on some awkward heuristics to prevent combining of regions that were importantly different but happened to have the same count. The end result was inefficient and hard to follow. Now, we more carefully create the regions we actually want. This makes it much easier to create regions at precise locations as well as making the basic approach quite a bit easier to follow. There's still a fair bit of complexity here dealing with included code and macro expansions, but that's pretty hard to avoid without significantly reducing the quality of data we provide. I had to modify quite a few tests where the source ranges became more precise or the old ranges seemed to be wrong anyways, and I've added quite a few new tests since a large number of constructs didn't seem to be tested before. llvm-svn: 229748
* Add tests for coverage mapping generation.Alex Lorenz2014-08-192-0/+42
| | | | | | | | | | This patch adds the tests for the coverage mapping generation. Most of the tests check the mapping regions produced by the generator, and one checks the llvm IR. Differential Revision: http://reviews.llvm.org/D4847 llvm-svn: 215995
* Revert "Add tests for coverage mapping generation."Justin Bogner2014-08-092-42/+0
| | | | | | | | | | | | | | | I reverted one of the added tests from r215261 in r215274, since it was failing on quite a few bots. It looks like this wasn't sufficient, as we're still getting failures on windows, like the following: http://bb.pgr.jp/builders/ninja-x64-msvc-RA-centos6/builds/5378 I'm reverting this entire commit so the bots aren't blocked on these failures. This reverts commit r215261. llvm-svn: 215278
* Add tests for coverage mapping generation.Alex Lorenz2014-08-082-0/+42
This patch adds the tests for the coverage mapping generation. Most of the tests check the mapping regions produced by the generator, and one checks the llvm IR. Differential Revision: http://reviews.llvm.org/D4793 llvm-svn: 215261
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