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implement a new magic global "llvm.compiler.used" which is like llvm.used, but

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doesn't cause ".no_dead_strip" to be emitted on darwin.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76399 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-07-20 06:14:25 +00:00
parent ba8dc03935
commit 401e10c4fb
8 changed files with 63 additions and 32 deletions
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lib/CodeGen/AsmPrinter/DwarfException.cpp
+1 -1
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@@ -229,7 +229,7 @@ void DwarfException::EmitEHFrame(const FunctionEHFrameInfo &EHFrameInfo) {
// retains the function in this case, and there is code around that depends
// on unused functions (calling undefined externals) being dead-stripped to
// link correctly. Yes, there really is.
if (MMI->getUsedFunctions().count(EHFrameInfo.function))
if (MMI->isUsedFunction(EHFrameInfo.function))
if (const char *UsedDirective = TAI->getUsedDirective())
O << UsedDirective << EHFrameInfo.FnName << "\n\n";
}