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| author | Mike Aizatsky <aizatsky@chromium.org> | 2017-02-08 21:20:33 +0000 |
|---|---|---|
| committer | Mike Aizatsky <aizatsky@chromium.org> | 2017-02-08 21:20:33 +0000 |
| commit | 401d3693286103fd76d622ee9cd8f8a7df934bdd (patch) | |
| tree | e6b39dfc97fe02e9c757bd2c7669725b47dc728f /llvm/lib/Transforms/Instrumentation | |
| parent | 40540a43b27bb67b94128477e67914ad78446614 (diff) | |
| download | bcm5719-llvm-401d3693286103fd76d622ee9cd8f8a7df934bdd.tar.gz bcm5719-llvm-401d3693286103fd76d622ee9cd8f8a7df934bdd.zip | |
[sancov] specifying comdat for sancov constructors
Differential Revision: https://reviews.llvm.org/D29662
llvm-svn: 294517
Diffstat (limited to 'llvm/lib/Transforms/Instrumentation')
| -rw-r--r-- | llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp index ee5158fa1d5..76e5f8bd660 100644 --- a/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp +++ b/llvm/lib/Transforms/Instrumentation/SanitizerCoverage.cpp @@ -382,7 +382,9 @@ bool SanitizerCoverageModule::runOnModule(Module &M) { {IRB.CreatePointerCast(SecStart, Int32PtrTy), IRB.CreatePointerCast(SecEnd, Int32PtrTy)}); - appendToGlobalCtors(M, CtorFunc, SanCtorAndDtorPriority); + // Use comdat to dedup CtorFunc. + CtorFunc->setComdat(M.getOrInsertComdat(SanCovModuleCtorName)); + appendToGlobalCtors(M, CtorFunc, SanCtorAndDtorPriority, CtorFunc); } } else if (!Options.TracePC) { Function *CtorFunc; |
