[llvm] r289311 - [libFuzzer] switch all libFuzzer tests to use -fsanitize-coverage=trace-pc-guard. Support for the previosly used instrumentation will be removed in the following changes

Kostya Serebryany via llvm-commits llvm-commits at lists.llvm.org
Fri Dec 9 18:26:24 PST 2016


Author: kcc
Date: Fri Dec  9 20:26:23 2016
New Revision: 289311

URL: http://llvm.org/viewvc/llvm-project?rev=289311&view=rev
Log:
[libFuzzer] switch all libFuzzer tests to use -fsanitize-coverage=trace-pc-guard. Support for the previosly used instrumentation will be removed in the following changes

Added:
    llvm/trunk/lib/Fuzzer/test/caller-callee.test
Modified:
    llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
    llvm/trunk/lib/Fuzzer/test/CMakeLists.txt
    llvm/trunk/lib/Fuzzer/test/fuzzer.test
    llvm/trunk/lib/Fuzzer/test/no-coverage/CMakeLists.txt
    llvm/trunk/lib/Fuzzer/test/trace-pc/CMakeLists.txt
    llvm/trunk/lib/Fuzzer/test/uninstrumented/CMakeLists.txt

Modified: llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/HandleLLVMOptions.cmake?rev=289311&r1=289310&r2=289311&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake (original)
+++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake Fri Dec  9 20:26:23 2016
@@ -567,7 +567,7 @@ if(LLVM_USE_SANITIZER)
     message(FATAL_ERROR "LLVM_USE_SANITIZER is not supported on this platform.")
   endif()
   if (LLVM_USE_SANITIZE_COVERAGE)
-    append("-fsanitize-coverage=edge,indirect-calls,8bit-counters,trace-cmp" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+    append("-fsanitize-coverage=trace-pc-guard,indirect-calls,trace-cmp" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
   endif()
 endif()
 

Modified: llvm/trunk/lib/Fuzzer/test/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/CMakeLists.txt?rev=289311&r1=289310&r2=289311&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/CMakeLists.txt (original)
+++ llvm/trunk/lib/Fuzzer/test/CMakeLists.txt Fri Dec  9 20:26:23 2016
@@ -25,8 +25,7 @@ foreach (VARNAME ${variables_to_filter})
 endforeach()
 
 # Enable the coverage instrumentation (it is disabled for the Fuzzer lib).
-#set(CMAKE_CXX_FLAGS "${LIBFUZZER_FLAGS_BASE} -fno-sanitize-coverage=8bit-counters  -fsanitize-coverage=edge,indirect-calls,trace-cmp,trace-div,trace-gep,trace-pc-guard -g")
-set(CMAKE_CXX_FLAGS "${LIBFUZZER_FLAGS_BASE} -fsanitize-coverage=edge,indirect-calls,trace-cmp,trace-div,trace-gep -g")
+set(CMAKE_CXX_FLAGS "${LIBFUZZER_FLAGS_BASE} -fsanitize-coverage=trace-pc-guard,indirect-calls,trace-cmp,trace-div,trace-gep -g")
 
 # add_libfuzzer_test(<name>
 #   SOURCES source0.cpp [source1.cpp ...]

Added: llvm/trunk/lib/Fuzzer/test/caller-callee.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/caller-callee.test?rev=289311&view=auto
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/caller-callee.test (added)
+++ llvm/trunk/lib/Fuzzer/test/caller-callee.test Fri Dec  9 20:26:23 2016
@@ -0,0 +1,2 @@
+CHECK: BINGO
+RUN: not LLVMFuzzer-CallerCalleeTest          -use_value_profile=1 -cross_over=0 -max_len=6 -seed=1 -max_total_time=15 2>&1 | FileCheck %s

Modified: llvm/trunk/lib/Fuzzer/test/fuzzer.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/fuzzer.test?rev=289311&r1=289310&r2=289311&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/fuzzer.test (original)
+++ llvm/trunk/lib/Fuzzer/test/fuzzer.test Fri Dec  9 20:26:23 2016
@@ -32,11 +32,6 @@ COUNTERS: NEW {{.*}} {{bits:|ft:}} {{[1-
 COUNTERS: NEW {{.*}} {{bits:|ft:}} {{[1-9]*}}
 COUNTERS: BINGO
 
-RUN: not LLVMFuzzer-CallerCalleeTest          -use_value_profile=1 -cross_over=0 -max_len=6 -seed=1 -max_total_time=15 2>&1 | FileCheck %s
-RUN: not LLVMFuzzer-CallerCalleeTest-TracePC  -use_value_profile=1 -cross_over=0 -max_len=6 -seed=1 -max_total_time=15 2>&1 | FileCheck %s
-# This one is flaky, may actually find the goal even w/o use_indir_calls.
-# LLVMFuzzer-CallerCalleeTest  -use_indir_calls=0 -cross_over=0 -max_len=6 -seed=1 -runs=1000000 2>&1 | FileCheck %s  --check-prefix=Done1000000
-
 RUN: not LLVMFuzzer-UninstrumentedTest-Uninstrumented 2>&1 | FileCheck %s --check-prefix=UNINSTRUMENTED
 UNINSTRUMENTED: ERROR: __sanitizer_set_death_callback is not defined. Exiting.
 

Modified: llvm/trunk/lib/Fuzzer/test/no-coverage/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/no-coverage/CMakeLists.txt?rev=289311&r1=289310&r2=289311&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/no-coverage/CMakeLists.txt (original)
+++ llvm/trunk/lib/Fuzzer/test/no-coverage/CMakeLists.txt Fri Dec  9 20:26:23 2016
@@ -2,7 +2,7 @@
 # but have coverage rt in the binary.
 
 set(CMAKE_CXX_FLAGS
-  "${LIBFUZZER_FLAGS_BASE} -fno-sanitize-coverage=edge,trace-cmp,indirect-calls,8bit-counters")
+  "${LIBFUZZER_FLAGS_BASE} -fno-sanitize-coverage=edge,trace-cmp,indirect-calls,8bit-counters,trace-pc-guard")
 
 set(NoCoverageTests
   UninstrumentedTest

Modified: llvm/trunk/lib/Fuzzer/test/trace-pc/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/trace-pc/CMakeLists.txt?rev=289311&r1=289310&r2=289311&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/trace-pc/CMakeLists.txt (original)
+++ llvm/trunk/lib/Fuzzer/test/trace-pc/CMakeLists.txt Fri Dec  9 20:26:23 2016
@@ -1,7 +1,7 @@
 # These tests are not instrumented with coverage.
 
 set(CMAKE_CXX_FLAGS
-  "${LIBFUZZER_FLAGS_BASE} -fno-sanitize-coverage=8bit-counters -fsanitize-coverage=trace-pc-guard")
+  "${LIBFUZZER_FLAGS_BASE} ")
 
 set(TracePCTests
   SimpleTest

Modified: llvm/trunk/lib/Fuzzer/test/uninstrumented/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/test/uninstrumented/CMakeLists.txt?rev=289311&r1=289310&r2=289311&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/test/uninstrumented/CMakeLists.txt (original)
+++ llvm/trunk/lib/Fuzzer/test/uninstrumented/CMakeLists.txt Fri Dec  9 20:26:23 2016
@@ -2,7 +2,7 @@
 # have coverage rt in the binary.
 
 set(CMAKE_CXX_FLAGS
-  "${LIBFUZZER_FLAGS_BASE} -fno-sanitize=all -fno-sanitize-coverage=edge,trace-cmp,indirect-calls,8bit-counters")
+  "${LIBFUZZER_FLAGS_BASE} -fno-sanitize=all -fno-sanitize-coverage=edge,trace-cmp,indirect-calls,8bit-counters,trace-pc-guard")
 
 set(UninstrumentedTests
   UninstrumentedTest




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