[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/Tools.cpp b/clang/lib/Driver/Tools.cpp
index e1d0ffb..74ac807 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -3013,6 +3013,8 @@
NonWholeStaticRuntimes.push_back("stats");
RequiredSymbols.push_back("__sanitizer_stats_register");
}
+ if (SanArgs.needsEsanRt())
+ StaticRuntimes.push_back("esan");
}
// Should be called before we add system libraries (C++ ABI, libstdc++/libc++,