diff options
Diffstat (limited to 'llvm/lib/Bitcode/Writer/BitcodeWriter.cpp')
| -rw-r--r-- | llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 4e1729f..691b332 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -1223,6 +1223,14 @@ static StringEncoding getStringEncoding(StringRef Str) { return SE_Fixed7; } +static_assert(sizeof(GlobalValue::SanitizerMetadata) <= sizeof(unsigned), + "Sanitizer Metadata is too large for naive serialization."); +static unsigned +serializeSanitizerMetadata(const GlobalValue::SanitizerMetadata &Meta) { + return Meta.NoAddress | (Meta.NoHWAddress << 1) | + (Meta.NoMemtag << 2) | (Meta.IsDynInit << 3); +} + /// Emit top-level description of module, including target triple, inline asm, /// descriptors for global variables, and function prototype info. /// Returns the bit offset to backpatch with the location of the real VST. @@ -1346,7 +1354,7 @@ void ModuleBitcodeWriter::writeModuleInfo() { // GLOBALVAR: [strtab offset, strtab size, type, isconst, initid, // linkage, alignment, section, visibility, threadlocal, // unnamed_addr, externally_initialized, dllstorageclass, - // comdat, attributes, DSO_Local] + // comdat, attributes, DSO_Local, GlobalSanitizer] Vals.push_back(addToStrtab(GV.getName())); Vals.push_back(GV.getName().size()); Vals.push_back(VE.getTypeID(GV.getValueType())); @@ -1363,7 +1371,7 @@ void ModuleBitcodeWriter::writeModuleInfo() { GV.isExternallyInitialized() || GV.getDLLStorageClass() != GlobalValue::DefaultStorageClass || GV.hasComdat() || GV.hasAttributes() || GV.isDSOLocal() || - GV.hasPartition()) { + GV.hasPartition() || GV.hasSanitizerMetadata()) { Vals.push_back(getEncodedVisibility(GV)); Vals.push_back(getEncodedThreadLocalMode(GV)); Vals.push_back(getEncodedUnnamedAddr(GV)); @@ -1377,6 +1385,11 @@ void ModuleBitcodeWriter::writeModuleInfo() { Vals.push_back(GV.isDSOLocal()); Vals.push_back(addToStrtab(GV.getPartition())); Vals.push_back(GV.getPartition().size()); + + if (GV.hasSanitizerMetadata()) + Vals.push_back(serializeSanitizerMetadata(GV.getSanitizerMetadata())); + else + Vals.push_back(UINT_MAX); } else { AbbrevToUse = SimpleGVarAbbrev; } |