[llvm] r337061 - Fix comments which mixed up 'before' and 'after', NFC

[Vedant Kumar via llvm-commits]

Author: vedantk
Date: Fri Jul 13 15:39:31 2018
New Revision: 337061

URL: http://llvm.org/viewvc/llvm-project?rev=337061&view=rev
Log:
Fix comments which mixed up 'before' and 'after', NFC

Modified:
    llvm/trunk/include/llvm/Transforms/Utils/Local.h
    llvm/trunk/lib/Transforms/Utils/Local.cpp

Modified: llvm/trunk/include/llvm/Transforms/Utils/Local.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/Utils/Local.h?rev=337061&r1=337060&r2=337061&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Transforms/Utils/Local.h (original)
+++ llvm/trunk/include/llvm/Transforms/Utils/Local.h Fri Jul 13 15:39:31 2018
@@ -316,7 +316,7 @@ bool replaceDbgDeclare(Value *Address, V
 /// DW_OP_deref is prepended to the expression. If Offset is non-zero,
 /// a constant displacement is added to the expression (between the
 /// optional Deref operations). Offset can be negative. The new
-/// llvm.dbg.declare is inserted immediately before AI.
+/// llvm.dbg.declare is inserted immediately after AI.
 bool replaceDbgDeclareForAlloca(AllocaInst *AI, Value *NewAllocaAddress,
                                 DIBuilder &Builder, bool DerefBefore,
                                 int Offset, bool DerefAfter);

Modified: llvm/trunk/lib/Transforms/Utils/Local.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/Local.cpp?rev=337061&r1=337060&r2=337061&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/Local.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/Local.cpp Fri Jul 13 15:39:31 2018
@@ -1534,11 +1534,11 @@ bool llvm::replaceDbgDeclare(Value *Addr
     auto *DIExpr = DII->getExpression();
     assert(DIVar && "Missing variable");
     DIExpr = DIExpression::prepend(DIExpr, DerefBefore, Offset, DerefAfter);
-    // Insert llvm.dbg.declare immediately after InsertBefore, and remove old
+    // Insert llvm.dbg.declare immediately before InsertBefore, and remove old
     // llvm.dbg.declare.
     Builder.insertDeclare(NewAddress, DIVar, DIExpr, Loc, InsertBefore);
     if (DII == InsertBefore)
-      InsertBefore = &*std::next(InsertBefore->getIterator());
+      InsertBefore = InsertBefore->getNextNode();
     DII->eraseFromParent();
   }
   return !DbgAddrs.empty();