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

1 files changed, 1 insertions, 19 deletions

diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index 07089f7fee..89f4cdc229 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -1005,31 +1005,13 @@ static bool LinkFunctionBody(Function *Dest, Function *Src,
   // the Source function as operands.  Loop through all of the operands of the
   // functions and patch them up to point to the local versions...
   //
-  // This is the same as RemapInstruction, except that it avoids remapping
-  // instruction and basic block operands.
-  //
   for (Function::iterator BB = Dest->begin(), BE = Dest->end(); BB != BE; ++BB)
-    for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ++I) {
-      // Remap operands.
+    for (BasicBlock::iterator I = BB->begin(), E = BB->end(); I != E; ++I)
       for (Instruction::op_iterator OI = I->op_begin(), OE = I->op_end();
            OI != OE; ++OI)
         if (!isa<Instruction>(*OI) && !isa<BasicBlock>(*OI))
           *OI = MapValue(*OI, ValueMap);
 
-      // Remap attached metadata.
-      SmallVector<std::pair<unsigned, MDNode *>, 4> MDs;
-      I->getAllMetadata(MDs);
-      for (SmallVectorImpl<std::pair<unsigned, MDNode *> >::iterator
-           MI = MDs.begin(), ME = MDs.end(); MI != ME; ++MI) {
-        Value *Old = MI->second;
-        if (!isa<Instruction>(Old) && !isa<BasicBlock>(Old)) {
-          Value *New = MapValue(Old, ValueMap);
-          if (New != Old) 
-            I->setMetadata(MI->first, cast<MDNode>(New));
-        }
-      }
-    }
-
   // There is no need to map the arguments anymore.
   for (Function::arg_iterator I = Src->arg_begin(), E = Src->arg_end();
        I != E; ++I)