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[RuntimeDyld] Skip undefined symbols when building the symbol table.

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Storing these in the symbol table (with zero values) is just wasted space.

llvm-svn: 288225
This commit is contained in:
Lang Hames 2016-11-30 01:12:07 +00:00
parent 124cca126e
commit 9a12dd32ed
1 changed files with 4 additions and 0 deletions
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4
lib/ExecutionEngine/RuntimeDyld/RuntimeDyld.cpp
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@ -205,6 +205,10 @@ RuntimeDyldImpl::loadObjectImpl(const object::ObjectFile &Obj) {
++I) {
uint32_t Flags = I->getFlags();
// Skip undefined symbols.
if (Flags & SymbolRef::SF_Undefined)
continue;
if (Flags & SymbolRef::SF_Common)
CommonSymbols.push_back(*I);
else {