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Max Moroz 74cec618f3 [libFuzzer] Merge: print feature coverage number as well. 
Summary:
feature coverage is a useful signal that is available during the merge
process, but was not printed previously.

Output example:

```
$ ./fuzzer -use_value_profile=1 -merge=1 new_corpus/ seed_corpus/
INFO: Seed: 1676551929
INFO: Loaded 1 modules   (2380 inline 8-bit counters): 2380 [0x90d180, 0x90dacc), 
INFO: Loaded 1 PC tables (2380 PCs): 2380 [0x684018,0x68d4d8), 
MERGE-OUTER: 180 files, 78 in the initial corpus
MERGE-OUTER: attempt 1
INFO: Seed: 1676574577
INFO: Loaded 1 modules   (2380 inline 8-bit counters): 2380 [0x90d180, 0x90dacc), 
INFO: Loaded 1 PC tables (2380 PCs): 2380 [0x684018,0x68d4d8), 
INFO: -max_len is not provided; libFuzzer will not generate inputs larger than 1048576 bytes
MERGE-INNER: using the control file '/tmp/libFuzzerTemp.111754.txt'
MERGE-INNER: 180 total files; 0 processed earlier; will process 180 files now
#1	pulse  cov: 134 ft: 330 exec/s: 0 rss: 37Mb
#2	pulse  cov: 142 ft: 462 exec/s: 0 rss: 38Mb
#4	pulse  cov: 152 ft: 651 exec/s: 0 rss: 38Mb
#8	pulse  cov: 152 ft: 943 exec/s: 0 rss: 38Mb
#16	pulse  cov: 520 ft: 2783 exec/s: 0 rss: 39Mb
#32	pulse  cov: 552 ft: 3280 exec/s: 0 rss: 41Mb
#64	pulse  cov: 576 ft: 3641 exec/s: 0 rss: 50Mb
#78	LOADED cov: 602 ft: 3936 exec/s: 0 rss: 88Mb
#128	pulse  cov: 611 ft: 3996 exec/s: 0 rss: 93Mb
#180	DONE   cov: 611 ft: 4016 exec/s: 0 rss: 155Mb
MERGE-OUTER: succesfull in 1 attempt(s)
MERGE-OUTER: the control file has 39741 bytes
MERGE-OUTER: consumed 0Mb (37Mb rss) to parse the control file
MERGE-OUTER: 9 new files with 80 new features added; 9 new coverage edges
```

Reviewers: hctim, morehouse

Reviewed By: morehouse

Subscribers: delcypher, #sanitizers, llvm-commits, kcc

Tags: #llvm, #sanitizers

Differential Revision: https://reviews.llvm.org/D66030

llvm-svn: 368617
 		2019-08-12 20:21:27 +00:00
clang [Sema] Check __builtin_bit_cast operand for completeness before materializing it. 2019-08-12 19:29:43 +00:00
clang-tools-extra [clang-doc] Generate HTML links for children namespaces/records 2019-08-12 18:42:46 +00:00
compiler-rt [libFuzzer] Merge: print feature coverage number as well. 2019-08-12 20:21:27 +00:00
debuginfo-tests Make nrvo-string test more robust. 2019-06-27 20:38:37 +00:00
libclc Revert "Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC" 2019-08-05 17:23:23 +00:00
libcxx [libc++] Implement CTAD for std::tuple 2019-08-12 18:30:31 +00:00
libcxxabi small follow-up to r368604 2019-08-12 19:19:29 +00:00
libunwind [runtimes] Don't depend on libpthread on Android 2019-07-22 20:41:03 +00:00
lld [ELF] Remove unnecessary assignment to `isPreemptible` in replaceWithDefined() 2019-08-12 10:01:17 +00:00
lldb Revert "[lldb] Refactor guard variable checks in IRForTarget" 2019-08-12 20:08:07 +00:00
llgo IR: Support parsing numeric block ids, and emit them in textual output. 2019-03-22 18:27:13 +00:00
llvm Revert "Disable MachO TBD write tests for Windows." 2019-08-12 19:51:34 +00:00
openmp Cleanup unused variable. 2019-08-12 12:37:30 +00:00
parallel-libs Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
polly [NFC][ScopBuilder] Move buildDomains and its callees to ScopBuilder. 2019-08-06 21:51:18 +00:00
pstl [NFC][pstl] Run clang-format 2019-08-08 17:10:45 +00:00
.arcconfig Update monorepo .arcconfig with new project callsign. 2019-01-31 14:34:59 +00:00
.clang-format Add .clang-tidy and .clang-format files to the toplevel of the 2019-01-29 16:43:16 +00:00
.clang-tidy Disable tidy checks with too many hits 2019-02-01 11:20:13 +00:00
.gitignore Change /build to /build* in top-level .gitignore. 2019-08-02 02:14:08 +00:00
README.md
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README.md

The LLVM Compiler Infrastructure

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.