From d896d418510d16f47f8236f1956c3784e1520017 Mon Sep 17 00:00:00 2001 From: Rafael Espindola Date: Thu, 9 Jun 2011 14:38:09 +0000 Subject: [PATCH] Improve the handling of available_externally and llvm.global_ctors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132775 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/IPO/ExtractGV.cpp | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/lib/Transforms/IPO/ExtractGV.cpp b/lib/Transforms/IPO/ExtractGV.cpp index 9d432de9fa7..d9911bfb459 100644 --- a/lib/Transforms/IPO/ExtractGV.cpp +++ b/lib/Transforms/IPO/ExtractGV.cpp @@ -51,20 +51,32 @@ namespace { // Visit the GlobalVariables. for (Module::global_iterator I = M.global_begin(), E = M.global_end(); I != E; ++I) { + if (deleteStuff == (bool)Named.count(I) && !I->isDeclaration()) { + I->setInitializer(0); + } else { + if (I->hasAvailableExternallyLinkage()) + continue; + if (I->getName() == "llvm.global_ctors") + continue; + } + if (I->hasLocalLinkage()) I->setVisibility(GlobalValue::HiddenVisibility); I->setLinkage(GlobalValue::ExternalLinkage); - if (deleteStuff == (bool)Named.count(I) && !I->isDeclaration()) - I->setInitializer(0); } // Visit the Functions. for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) { + if (deleteStuff == (bool)Named.count(I) && !I->isDeclaration()) { + I->deleteBody(); + } else { + if (I->hasAvailableExternallyLinkage()) + continue; + } + if (I->hasLocalLinkage()) I->setVisibility(GlobalValue::HiddenVisibility); I->setLinkage(GlobalValue::ExternalLinkage); - if (deleteStuff == (bool)Named.count(I) && !I->isDeclaration()) - I->deleteBody(); } return true; -- 2.34.1