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llvm-project/compiler-rt/test/fuzzer/simple-cmp.test

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[libFuzzer] extend the data flow tracer to also produce basic block coverage for every input. An extended test coming in a separte change. llvm-svn: 360213
2019-05-08 08:51:15 +08:00
REQUIRES: linux, x86_64
Move libFuzzer to compiler_rt. Resulting library binaries will be named libclang_rt.fuzzer*, and will be placed in Clang toolchain, allowing redistribution. Differential Revision: https://reviews.llvm.org/D36908 llvm-svn: 311407
2017-08-22 07:25:50 +08:00
RUN: %cpp_compiler %S/SimpleCmpTest.cpp -o %t-SimpleCmpTest
[libFuzzer] [NFC] Split fuzzer.test into smaller tests Keeping fuzzer.test together as a gigantic test has no advantages and multiple disadvantages: - Worse test parallelization (fuzzer.test is always blocking the test run on a machine with many cores) - Debugging test failures is made more difficult (not clear what fails from fuzzer.test failing) - Makes porting tests to new platforms more difficult (whenever fuzzer.test fails have to inspect the output to figure out what is going on, and then restart all of it) - Hides dead code (in our case, "Done1000000" FileCheck variable was never used, DISABLED: not %t-UninstrumentedTest-Uninstrumented was never compiled, and there was small amount of duplication vs. simple-cmp.test) - Makes correspondence between LIT .test files and .cpp files less straightforward Differential Revision: https://reviews.llvm.org/D46557 llvm-svn: 332145
2018-05-12 05:29:53 +08:00
[libFuzzer] [NFC] Prefix all run lines with %run This patch does not do anything, but paves the way for future changes, where %run command will be expanded into a script performing the testing on device. Differential Revision: https://reviews.llvm.org/D46553 llvm-svn: 332144
2018-05-12 05:29:51 +08:00
RUN: not %run %t-SimpleCmpTest -seed=1 -runs=100000000 2>&1 | FileCheck %s
[libFuzzer] [NFC] Split fuzzer.test into smaller tests Keeping fuzzer.test together as a gigantic test has no advantages and multiple disadvantages: - Worse test parallelization (fuzzer.test is always blocking the test run on a machine with many cores) - Debugging test failures is made more difficult (not clear what fails from fuzzer.test failing) - Makes porting tests to new platforms more difficult (whenever fuzzer.test fails have to inspect the output to figure out what is going on, and then restart all of it) - Hides dead code (in our case, "Done1000000" FileCheck variable was never used, DISABLED: not %t-UninstrumentedTest-Uninstrumented was never compiled, and there was small amount of duplication vs. simple-cmp.test) - Makes correspondence between LIT .test files and .cpp files less straightforward Differential Revision: https://reviews.llvm.org/D46557 llvm-svn: 332145
2018-05-12 05:29:53 +08:00
RUN: %run %t-SimpleCmpTest -max_total_time=1 -use_cmp=0 2>&1 | FileCheck %s --check-prefix=MaxTotalTime
MaxTotalTime: Done {{.*}} runs in {{.}} second(s)
CHECK: BINGO