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| author | Kostya Serebryany <kcc@google.com> | 2013-03-18 07:33:49 +0000 |
|---|---|---|
| committer | Kostya Serebryany <kcc@google.com> | 2013-03-18 07:33:49 +0000 |
| commit | 6b5b58deeb78d147a78ff0a28ce883eac717d602 (patch) | |
| tree | c9964128ff9444afadfc1cc744a3511ff3495f23 /llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp | |
| parent | cbed82ea70974a601cb1cea43c415362f7f89f43 (diff) | |
| download | bcm5719-llvm-6b5b58deeb78d147a78ff0a28ce883eac717d602.tar.gz bcm5719-llvm-6b5b58deeb78d147a78ff0a28ce883eac717d602.zip | |
[asan] don't instrument functions with available_externally linkage. This saves a bit of compile time and reduces the number of redundant global strings generated by asan (https://code.google.com/p/address-sanitizer/issues/detail?id=167)
llvm-svn: 177250
Diffstat (limited to 'llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp index 2d212d0ddc7..758c6e7bcb4 100644 --- a/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp +++ b/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp @@ -1095,6 +1095,7 @@ bool AddressSanitizer::maybeInsertAsanInitAtFunctionEntry(Function &F) { bool AddressSanitizer::runOnFunction(Function &F) { if (BL->isIn(F)) return false; if (&F == AsanCtorFunction) return false; + if (F.getLinkage() == GlobalValue::AvailableExternallyLinkage) return false; DEBUG(dbgs() << "ASAN instrumenting:\n" << F << "\n"); initializeCallbacks(*F.getParent()); |
