diff options
Diffstat (limited to 'contrib/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp')
-rw-r--r-- | contrib/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/contrib/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp b/contrib/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp index 54bdc9e0772b..9c4b417e35e1 100644 --- a/contrib/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp +++ b/contrib/llvm/lib/Transforms/Instrumentation/AddressSanitizer.cpp @@ -1598,8 +1598,7 @@ bool AddressSanitizerModule::InstrumentGlobals(IRBuilder<> &IRB, Module &M) { StructType::get(IntptrTy, IntptrTy, IntptrTy, IntptrTy, IntptrTy, IntptrTy, IntptrTy, IntptrTy, nullptr); unsigned SizeOfGlobalStruct = DL.getTypeAllocSize(GlobalStructTy); - assert((isPowerOf2_32(SizeOfGlobalStruct) || - !TargetTriple.isOSBinFormatCOFF()) && + assert(isPowerOf2_32(SizeOfGlobalStruct) && "global metadata will not be padded appropriately"); SmallVector<Constant *, 16> Initializers(UseMetadataArray ? n : 0); @@ -1766,13 +1765,11 @@ bool AddressSanitizerModule::InstrumentGlobals(IRBuilder<> &IRB, Module &M) { GlobalValue::getRealLinkageName(G->getName())); Metadata->setSection(getGlobalMetadataSection()); + // We don't want any padding, but we also need a reasonable alignment. // The MSVC linker always inserts padding when linking incrementally. We // cope with that by aligning each struct to its size, which must be a power // of two. - if (TargetTriple.isOSBinFormatCOFF()) - Metadata->setAlignment(SizeOfGlobalStruct); - else - Metadata->setAlignment(1); // Don't leave padding in between. + Metadata->setAlignment(SizeOfGlobalStruct); // On platforms that support comdats, put the metadata and the // instrumented global in the same group. This ensures that the metadata |