[llvm-commits] [llvm] r132775 - /llvm/trunk/lib/Transforms/IPO/ExtractGV.cpp

[Rafael Espindola]

Author: rafael
Date: Thu Jun  9 09:38:09 2011
New Revision: 132775

URL: http://llvm.org/viewvc/llvm-project?rev=132775&view=rev
Log:
Improve the handling of available_externally and llvm.global_ctors.

Modified:
    llvm/trunk/lib/Transforms/IPO/ExtractGV.cpp

Modified: llvm/trunk/lib/Transforms/IPO/ExtractGV.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/ExtractGV.cpp?rev=132775&r1=132774&r2=132775&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/ExtractGV.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/ExtractGV.cpp Thu Jun  9 09:38:09 2011
@@ -51,20 +51,32 @@
       // 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;