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Use null instead of undef for unneeded nested context pointers.

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This commit is contained in:
David Nadlinger 2012-10-06 13:07:17 +02:00
parent 0fb39ee912
commit 2d54a02295
2 changed files with 7 additions and 1 deletions
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5
gen/nested.cpp
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@ -235,7 +235,10 @@ LLValue* DtoNestedContext(Loc loc, Dsymbol* sym)
}
else
{
return llvm::UndefValue::get(getVoidPtrType());
// Use null instead of e.g. LLVM's undef to not break bitwise
// comparison for instances of nested struct types which don't have any
// nested references.
return llvm::ConstantPointerNull::get(getVoidPtrType());
}
struct FuncDeclaration* fd = 0;