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5 Commits

Author SHA1 Message Date
Kostya Serebryany 1d7a33b8ae [libFuzzer] remove the now redundant 'LLVMFuzzer-' prefix from libFuzzer tests 
llvm-svn: 310110
 2017-08-04 20:05:25 +00:00
George Karpenkov 8ecdd7be15 Port libFuzzer tests to LIT. Do not require two-stage build for check-fuzzer. 
This revision ports all libFuzzer tests apart from the unittest to LIT.
The advantages of doing so include:

 - Tests being self-contained
 - Much easier debugging of a single test
 - No need for using a two-stage compilation

The unit-test is still compiled using CMake, but it does not need a
freshly built compiler.

NOTE: The previous two-stage bot configuration will NOT work, as in the
second stage build LLVM_USE_SANITIZER is set, which disables ASAN from
being built.
Thus bots will be reconfigured in the next few commits.

Differential Revision: https://reviews.llvm.org/D36295

llvm-svn: 310075
 2017-08-04 17:19:45 +00:00
Justin Bogner 59c8420018 [libFuzzer] Mark a test that infinite loops as unsupported 
We need to investigate this, but for now it just causes too much
headache when trying to run these tests.

llvm-svn: 295900
 2017-02-22 23:05:17 +00:00
Kostya Serebryany a5f94fb6c9 [libFuzzer] add -trace_cmp=1 (guiding mutations based on the observed CMP instructions). This is a reincarnation of the previously deleted -use_traces, but using a different approach for collecting traces. Still a toy, but at least it scales well. Also fix -merge in trace-pc-guard mode 
llvm-svn: 284273
 2016-10-14 20:20:33 +00:00
Kostya Serebryany a17d23eaa7 [libFuzzer] add -trace_malloc= flag 
llvm-svn: 284149
 2016-10-13 19:06:46 +00:00