[esan] EfficiencySanitizer driver flags
Summary:
Adds a framework to enable the instrumentation pass for the new
EfficiencySanitizer ("esan") family of tools. Adds a flag for esan's
cache fragmentation tool via -fsanitize=efficiency-cache-frag.
Adds appropriate tests for the new flag.
Reviewers: eugenis, vitalybuka, aizatsky, filcab
Subscribers: filcab, kubabrecka, llvm-commits, zhaoqin, kcc
Differential Revision: http://reviews.llvm.org/D19169
llvm-svn: 267059
diff --git a/clang/lib/Driver/SanitizerArgs.cpp b/clang/lib/Driver/SanitizerArgs.cpp
index ff9a0b4..50a93a8 100644
--- a/clang/lib/Driver/SanitizerArgs.cpp
+++ b/clang/lib/Driver/SanitizerArgs.cpp
@@ -311,7 +311,12 @@
std::make_pair(Leak, Memory), std::make_pair(KernelAddress, Address),
std::make_pair(KernelAddress, Leak),
std::make_pair(KernelAddress, Thread),
- std::make_pair(KernelAddress, Memory)};
+ std::make_pair(KernelAddress, Memory),
+ std::make_pair(Efficiency, Address),
+ std::make_pair(Efficiency, Leak),
+ std::make_pair(Efficiency, Thread),
+ std::make_pair(Efficiency, Memory),
+ std::make_pair(Efficiency, KernelAddress)};
for (auto G : IncompatibleGroups) {
SanitizerMask Group = G.first;
if (Kinds & Group) {
@@ -695,6 +700,10 @@
if (A->getOption().matches(options::OPT_fsanitize_EQ) &&
0 == strcmp("all", Value))
Kind = 0;
+ // Similarly, don't accept -fsanitize=efficiency-all.
+ else if (A->getOption().matches(options::OPT_fsanitize_EQ) &&
+ 0 == strcmp("efficiency-all", Value))
+ Kind = 0;
else
Kind = parseSanitizerValue(Value, /*AllowGroups=*/true);