[sanitizer-coverage] add two more modes of instrumentation: trace-div and trace-gep, mostly usaful for value-profile-based fuzzing; clang part
llvm-svn: 280044
diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp
index 30cc3f4..5c9abd1 100644
--- a/clang/lib/Driver/SanitizerArgs.cpp
+++ b/clang/lib/Driver/SanitizerArgs.cpp
@@ -49,8 +49,10 @@
CoverageIndirCall = 1 << 3,
CoverageTraceBB = 1 << 4,
CoverageTraceCmp = 1 << 5,
- Coverage8bitCounters = 1 << 6,
- CoverageTracePC = 1 << 7,
+ CoverageTraceDiv = 1 << 6,
+ CoverageTraceGep = 1 << 7,
+ Coverage8bitCounters = 1 << 8,
+ CoverageTracePC = 1 << 9,
};
/// Parse a -fsanitize= or -fno-sanitize= argument's values, diagnosing any
@@ -615,6 +617,8 @@
std::make_pair(CoverageIndirCall, "-fsanitize-coverage-indirect-calls"),
std::make_pair(CoverageTraceBB, "-fsanitize-coverage-trace-bb"),
std::make_pair(CoverageTraceCmp, "-fsanitize-coverage-trace-cmp"),
+ std::make_pair(CoverageTraceDiv, "-fsanitize-coverage-trace-div"),
+ std::make_pair(CoverageTraceGep, "-fsanitize-coverage-trace-gep"),
std::make_pair(Coverage8bitCounters, "-fsanitize-coverage-8bit-counters"),
std::make_pair(CoverageTracePC, "-fsanitize-coverage-trace-pc")};
for (auto F : CoverageFlags) {
@@ -752,6 +756,8 @@
.Case("indirect-calls", CoverageIndirCall)
.Case("trace-bb", CoverageTraceBB)
.Case("trace-cmp", CoverageTraceCmp)
+ .Case("trace-div", CoverageTraceDiv)
+ .Case("trace-gep", CoverageTraceGep)
.Case("8bit-counters", Coverage8bitCounters)
.Case("trace-pc", CoverageTracePC)
.Default(0);