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Author SHA1 Message Date
Igor Kudrin eb10307347 [Coverage] Ensure that coverage mapping data has an expected alignment in 'covmapping' files. 
Coverage mapping data is organized in a sequence of blocks, each of which is expected
to be aligned by 8 bytes. This feature is used when reading those blocks, see
VersionedCovMapFuncRecordReader::readFunctionRecords(). If a misaligned covearge
mapping data has more than one block, it causes llvm-cov to fail.

Differential Revision: http://reviews.llvm.org/D20285

llvm-svn: 269887
 2016-05-18 07:43:27 +00:00
Justin Bogner de15817ea2 InstrProf: Remove CoverageMapping::HasCodeBefore, it isn't used 
It's not entirely clear to me what this field was meant for, but it's
always false. Remove it.

llvm-svn: 228034
 2015-02-03 21:35:36 +00:00
Justin Bogner a829fde160 llvm-cov: Prevent a test from matching its own check lines 
Since llvm-cov shows the source file in its output, be careful about
potentially matching the check lines themselves.

llvm-svn: 218138
 2014-09-19 19:04:08 +00:00
Justin Bogner 3d7260e7b2 Revert "llvm-cov: Remove an overly system specific test" 
This fixes a call to sys::fs::equivalent that should've been to
CodeCoverageTool::equivalentFiles, which lets us restore the test of
r217476 that was removed in r217478.

This reverts r217478, but the test works this time.

llvm-svn: 217646
 2014-09-11 23:20:48 +00:00
Justin Bogner 3f81d4953a llvm-cov: Fix a misuse of ArrayRef::slice I introduced in r217430 
It appears this code was completely untested, so using ArrayRef wrong
didn't break anything obvious.

llvm-svn: 217476
 2014-09-10 06:06:07 +00:00