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Give compile units LinkOnceLinkage to circumvent duplicate symbols with LLVM linking.

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This commit is contained in:
Christian Kamm
2009-03-08 16:21:11 +01:00
parent d8c89ce681
commit 520bc229ea
1 changed files with 6 additions and 0 deletions
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6
gen/todebug.cpp
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@@ -500,6 +500,12 @@ llvm::DICompileUnit DtoDwarfCompileUnit(Module* m)
false, // isMain,
false // isOptimized
);
// if the linkage stays internal, we can't llvm-link the generated modules together:
// llvm's DwarfWriter uses path and filename to determine the symbol name and we'd
// end up with duplicate symbols
m->ir.irModule->diCompileUnit.getGV()->setLinkage(llvm::GlobalValue::LinkOnceLinkage);
m->ir.irModule->diCompileUnit.getGV()->setName(std::string("llvm.dbg.compile_unit_") + srcpath + m->srcfile->name->toChars());
return m->ir.irModule->diCompileUnit;
}