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Author SHA1 Message Date
Alex Lorenz f2cf38e020 Add a cc1 "dump-coverage-mapping" for testing coverage mapping. 
Differential Revision: http://reviews.llvm.org/D4799

llvm-svn: 215258
 2014-08-08 23:41:24 +00:00
Alex Lorenz ee02499a8f Add coverage mapping generation. 
This patch adds the '-fcoverage-mapping' option which
allows clang to generate the coverage mapping information
that can be used to provide code coverage analysis using
the execution counts obtained from the instrumentation 
based profiling (-fprofile-instr-generate).

llvm-svn: 214752
 2014-08-04 18:41:51 +00:00