[llvm-commits] [llvm] r99580 - /llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

[Dan Gohman]

Author: djg
Date: Thu Mar 25 19:33:27 2010
New Revision: 99580

URL: http://llvm.org/viewvc/llvm-project?rev=99580&view=rev
Log:
Ignore debug intrinsics in yet more places.

Modified:
    llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp?rev=99580&r1=99579&r2=99580&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/LoopStrengthReduce.cpp Thu Mar 25 19:33:27 2010
@@ -2827,6 +2827,7 @@
       IP = Tentative;
   }
   while (isa<PHINode>(IP)) ++IP;
+  while (isa<DbgInfoIntrinsic>(IP)) ++IP;
 
   // Inform the Rewriter if we have a post-increment use, so that it can
   // perform an advantageous expansion.
@@ -2864,8 +2865,10 @@
         // so that it is dominated by its operand. If the original insert point
         // was already dominated by the increment, keep it, because there may
         // be loop-variant operands that need to be respected also.
-        if (L->contains(LF.UserInst) && !DT.dominates(IVIncInsertPos, IP))
+        if (L->contains(LF.UserInst) && !DT.dominates(IVIncInsertPos, IP)) {
           IP = IVIncInsertPos;
+          while (isa<DbgInfoIntrinsic>(IP)) ++IP;
+        }
         break;
       }
       Start = AR->getStart();