r312346 - [libFuzzer] switch -fsanitize=fuzzer from trace-pc-guard to inline-8bit-counters

[Kostya Serebryany via cfe-commits]

Author: kcc
Date: Fri Sep  1 11:34:36 2017
New Revision: 312346

URL: http://llvm.org/viewvc/llvm-project?rev=312346&view=rev
Log:
[libFuzzer] switch -fsanitize=fuzzer from trace-pc-guard to inline-8bit-counters

Modified:
    cfe/trunk/lib/Driver/SanitizerArgs.cpp
    cfe/trunk/test/Driver/fuzzer.c

Modified: cfe/trunk/lib/Driver/SanitizerArgs.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/SanitizerArgs.cpp?rev=312346&r1=312345&r2=312346&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/SanitizerArgs.cpp (original)
+++ cfe/trunk/lib/Driver/SanitizerArgs.cpp Fri Sep  1 11:34:36 2017
@@ -313,7 +313,7 @@ SanitizerArgs::SanitizerArgs(const ToolC
 
       // Enable coverage if the fuzzing flag is set.
       if (Add & FuzzerNoLink) {
-        CoverageFeatures |= CoverageTracePCGuard | CoverageIndirCall |
+        CoverageFeatures |= CoverageInline8bitCounters | CoverageIndirCall |
                             CoverageTraceCmp | CoveragePCTable;
         // Due to TLS differences, stack depth tracking is only enabled on Linux
         if (TC.getTriple().isOSLinux())

Modified: cfe/trunk/test/Driver/fuzzer.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/fuzzer.c?rev=312346&r1=312345&r2=312346&view=diff
==============================================================================
--- cfe/trunk/test/Driver/fuzzer.c (original)
+++ cfe/trunk/test/Driver/fuzzer.c Fri Sep  1 11:34:36 2017
@@ -3,7 +3,7 @@
 // RUN: %clang -fsanitize=fuzzer %s -target x86_64-apple-darwin14 -### 2>&1 | FileCheck --check-prefixes=CHECK-FUZZER-LIB,CHECK-COVERAGE-FLAGS %s
 //
 // CHECK-FUZZER-LIB: libclang_rt.fuzzer
-// CHECK-COVERAGE: -fsanitize-coverage-trace-pc-guard
+// CHECK-COVERAGE: -fsanitize-coverage-inline-8bit-counters
 // CHECK-COVERAGE-SAME: -fsanitize-coverage-indirect-calls
 // CHECK-COVERAGE-SAME: -fsanitize-coverage-trace-cmp
 // CHECK-COVERAGE-SAME: -fsanitize-coverage-pc-table
@@ -24,7 +24,7 @@
 // Check that we don't link in libFuzzer when compiling with -fsanitize=fuzzer-no-link.
 // RUN: %clang -fsanitize=fuzzer-no-link %s -target x86_64-apple-darwin14 -### 2>&1 | FileCheck --check-prefixes=CHECK-NOLIB,CHECK-COV %s
 // CHECK-NOLIB-NOT: libclang_rt.libfuzzer
-// CHECK-COV: -fsanitize-coverage-trace-pc-guard
+// CHECK-COV: -fsanitize-coverage-inline-8bit-counters
 
 // RUN: %clang -fsanitize=fuzzer -fsanitize-coverage=trace-pc %s -### 2>&1 | FileCheck --check-prefixes=CHECK-MSG %s
 // CHECK-MSG-NOT: argument unused during compilation