[libFuzzer] enable use_cmp by default

llvm-svn: 285353

diff --git a/llvm/lib/Fuzzer/FuzzerFlags.def b/llvm/lib/Fuzzer/FuzzerFlags.def
index 01f733d..bb107a3 100644 (file)
--- a/llvm/lib/Fuzzer/FuzzerFlags.def
+++ b/llvm/lib/Fuzzer/FuzzerFlags.def
@@ -49,7 +49,7 @@ FUZZER_FLAG_INT(use_memmem, 1,
                 "Use hints from intercepting memmem, strstr, etc")
 FUZZER_FLAG_INT(use_value_profile, 0,
                 "Experimental. Use value profile to guide fuzzing.")
-FUZZER_FLAG_INT(use_cmp, 0, "Experimenta. Use CMP traces to guide mutations")
+FUZZER_FLAG_INT(use_cmp, 1, "Use CMP traces to guide mutations")
 FUZZER_FLAG_INT(shrink, 0, "Experimental. Try to shrink corpus elements.")
 FUZZER_FLAG_INT(jobs, 0, "Number of jobs to run. If jobs >= 1 we spawn"
                           " this number of jobs in separate worker processes"

diff --git a/llvm/lib/Fuzzer/test/fuzzer.test b/llvm/lib/Fuzzer/test/fuzzer.test
index 1838b30..ccca3d3 100644 (file)
--- a/llvm/lib/Fuzzer/test/fuzzer.test
+++ b/llvm/lib/Fuzzer/test/fuzzer.test
@@ -7,7 +7,7 @@ RUN: LLVMFuzzer-SimpleTest-TracePC 2>&1 | FileCheck %s
 # only_ascii mode. Will perform some minimal self-validation.
 RUN: LLVMFuzzer-SimpleTest -only_ascii=1 2>&1
 
-RUN: LLVMFuzzer-SimpleCmpTest -max_total_time=1 2>&1 | FileCheck %s --check-prefix=MaxTotalTime
+RUN: LLVMFuzzer-SimpleCmpTest -max_total_time=1 -use_cmp=0 2>&1 | FileCheck %s --check-prefix=MaxTotalTime
 MaxTotalTime: Done {{.*}} runs in {{.}} second(s)
 
 RUN: not LLVMFuzzer-NullDerefTest                  2>&1 | FileCheck %s --check-prefix=NullDerefTest

diff --git a/llvm/lib/Fuzzer/test/simple-cmp.test b/llvm/lib/Fuzzer/test/simple-cmp.test
index f5791ad..145a036 100644 (file)
--- a/llvm/lib/Fuzzer/test/simple-cmp.test
+++ b/llvm/lib/Fuzzer/test/simple-cmp.test
@@ -1,2 +1,2 @@
 CHECK: BINGO
-RUN: not LLVMFuzzer-SimpleCmpTest -seed=1 -use_cmp=1 -runs=100000000 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-SimpleCmpTest -seed=1 -runs=100000000 2>&1 | FileCheck %s

diff --git a/llvm/lib/Fuzzer/test/swap-cmp.test b/llvm/lib/Fuzzer/test/swap-cmp.test
index d873a32..908b798 100644 (file)
--- a/llvm/lib/Fuzzer/test/swap-cmp.test
+++ b/llvm/lib/Fuzzer/test/swap-cmp.test
@@ -1,2 +1,2 @@
 CHECK: BINGO
-RUN: not LLVMFuzzer-SwapCmpTest -seed=1 -use_cmp=1 -runs=10000000 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-SwapCmpTest -seed=1 -runs=10000000 2>&1 | FileCheck %s

diff --git a/llvm/lib/Fuzzer/test/value-profile-cmp.test b/llvm/lib/Fuzzer/test/value-profile-cmp.test
index d183b76..509969d 100644 (file)
--- a/llvm/lib/Fuzzer/test/value-profile-cmp.test
+++ b/llvm/lib/Fuzzer/test/value-profile-cmp.test
@@ -1,7 +1,7 @@
 CHECK: BINGO
-RUN: not LLVMFuzzer-SimpleCmpTest -use_value_profile=1 -runs=100000000 2>&1 | FileCheck %s
-RUN: not LLVMFuzzer-SimpleHashTest -use_value_profile=1 -runs=100000000 2>&1 | FileCheck %s
-RUN: not LLVMFuzzer-AbsNegAndConstantTest -use_value_profile=1 -runs=100000000 2>&1 | FileCheck %s
-RUN: not LLVMFuzzer-AbsNegAndConstant64Test -use_value_profile=1 -runs=100000000 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-SimpleCmpTest -use_cmp=0 -use_value_profile=1 -runs=100000000 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-SimpleHashTest -use_cmp=0 -use_value_profile=1 -runs=100000000 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-AbsNegAndConstantTest -use_cmp=0 -use_value_profile=1 -runs=100000000 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-AbsNegAndConstant64Test -use_cmp=0 -use_value_profile=1 -runs=100000000 2>&1 | FileCheck %s
 
 

diff --git a/llvm/lib/Fuzzer/test/value-profile-load.test b/llvm/lib/Fuzzer/test/value-profile-load.test
index 05a1382..14d3109 100644 (file)
--- a/llvm/lib/Fuzzer/test/value-profile-load.test
+++ b/llvm/lib/Fuzzer/test/value-profile-load.test
@@ -1,3 +1,3 @@
 CHECK: AddressSanitizer: global-buffer-overflow
-RUN: not LLVMFuzzer-LoadTest -seed=1 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-LoadTest -seed=1 -use_cmp=0 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s
 

diff --git a/llvm/lib/Fuzzer/test/value-profile-mem.test b/llvm/lib/Fuzzer/test/value-profile-mem.test
index 60cc67f..09d737d 100644 (file)
--- a/llvm/lib/Fuzzer/test/value-profile-mem.test
+++ b/llvm/lib/Fuzzer/test/value-profile-mem.test
@@ -1,4 +1,2 @@
 CHECK: BINGO
-RUN: not LLVMFuzzer-SingleMemcmpTest -seed=1 -use_memcmp=0 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s
-RUN: not LLVMFuzzer-SingleStrcmpTest -seed=1 -use_memcmp=0 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s
-RUN: not LLVMFuzzer-SingleStrncmpTest -seed=1 -use_memcmp=0 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-SingleMemcmpTest -seed=1  -use_cmp=0 -use_memcmp=0 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s

diff --git a/llvm/lib/Fuzzer/test/value-profile-set.test b/llvm/lib/Fuzzer/test/value-profile-set.test
index 300afa9..9d06c36 100644 (file)
--- a/llvm/lib/Fuzzer/test/value-profile-set.test
+++ b/llvm/lib/Fuzzer/test/value-profile-set.test
@@ -1,3 +1,3 @@
 CHECK: BINGO
-RUN: not LLVMFuzzer-FourIndependentBranchesTest -seed=1 -use_value_profile=1 -runs=100000000 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-FourIndependentBranchesTest -seed=1 -use_cmp=0 -use_value_profile=1 -runs=100000000 2>&1 | FileCheck %s
 

diff --git a/llvm/lib/Fuzzer/test/value-profile-strcmp.test b/llvm/lib/Fuzzer/test/value-profile-strcmp.test
new file mode 100644 (file)
index 0000000..1e7ef9b
--- /dev/null
+++ b/llvm/lib/Fuzzer/test/value-profile-strcmp.test
@@ -0,0 +1,2 @@
+CHECK: BINGO
+RUN: not LLVMFuzzer-SingleStrcmpTest -seed=1  -use_cmp=0 -use_memcmp=0 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s

diff --git a/llvm/lib/Fuzzer/test/value-profile-strncmp.test b/llvm/lib/Fuzzer/test/value-profile-strncmp.test
new file mode 100644 (file)
index 0000000..6509731
--- /dev/null
+++ b/llvm/lib/Fuzzer/test/value-profile-strncmp.test
@@ -0,0 +1,2 @@
+CHECK: BINGO
+RUN: not LLVMFuzzer-SingleStrncmpTest -seed=1 -use_cmp=0 -use_memcmp=0 -use_value_profile=1 -runs=10000000 2>&1 | FileCheck %s

diff --git a/llvm/lib/Fuzzer/test/value-profile-switch.test b/llvm/lib/Fuzzer/test/value-profile-switch.test
index 7e66e51..312fec6 100644 (file)
--- a/llvm/lib/Fuzzer/test/value-profile-switch.test
+++ b/llvm/lib/Fuzzer/test/value-profile-switch.test
@@ -1,3 +1,3 @@
 CHECK: BINGO
-RUN: not LLVMFuzzer-SwitchTest-TracePC  -use_value_profile=1 -runs=100000000 -seed=1 2>&1 | FileCheck %s
-RUN: not LLVMFuzzer-Switch2Test-TracePC -use_value_profile=1 -runs=100000000 -seed=1 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-SwitchTest-TracePC  -use_cmp=0 -use_value_profile=1 -runs=100000000 -seed=1 2>&1 | FileCheck %s
+RUN: not LLVMFuzzer-Switch2Test-TracePC -use_cmp=0 -use_value_profile=1 -runs=100000000 -seed=1 2>&1 | FileCheck %s