From fd406f1ee2d94bafcb4943e4b21c2f4ea4bd8f3a Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Thu, 26 Aug 2010 03:48:08 +0000
Subject: Revert r112091, "Remap metadata attached to instructions when
 remapping individual ...", which depends on r111922, which I am reverting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112157 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Utils/CloneModule.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'lib/Transforms/Utils/CloneModule.cpp')

diff --git a/lib/Transforms/Utils/CloneModule.cpp b/lib/Transforms/Utils/CloneModule.cpp
index c54edf6317..25083adb7c 100644
--- a/lib/Transforms/Utils/CloneModule.cpp
+++ b/lib/Transforms/Utils/CloneModule.cpp
@@ -132,5 +132,20 @@ Module *llvm::CloneModule(const Module *M,
       NewNMD->addOperand(cast<MDNode>(MapValue(NMD.getOperand(i), VMap)));
   }
 
+  // Update metadata attach with instructions.
+  for (Module::iterator MI = New->begin(), ME = New->end(); MI != ME; ++MI)   
+    for (Function::iterator FI = MI->begin(), FE = MI->end(); 
+         FI != FE; ++FI)
+      for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); 
+           BI != BE; ++BI) {
+        SmallVector<std::pair<unsigned, MDNode *>, 4 > MDs;
+        BI->getAllMetadata(MDs);
+        for (SmallVector<std::pair<unsigned, MDNode *>, 4>::iterator 
+               MDI = MDs.begin(), MDE = MDs.end(); MDI != MDE; ++MDI) {
+          Value *MappedValue = MapValue(MDI->second, VMap);
+          if (MDI->second != MappedValue && MappedValue)
+            BI->setMetadata(MDI->first, cast<MDNode>(MappedValue));
+        }
+      }
   return New;
 }
-- 
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