[llvm-commits] CVS: llvm/lib/Transforms/Scalar/InstructionCombining.cpp

[Chris Lattner]

Changes in directory llvm/lib/Transforms/Scalar:

InstructionCombining.cpp updated: 1.616 -> 1.617
---
Log message:

Revert another incorrectly applied chunk, which fixes InstCombine/vec_insert_to_shuffle.ll


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Diffs of the changes:  (+0 -7)

 InstructionCombining.cpp |    7 -------
 1 files changed, 7 deletions(-)


Index: llvm/lib/Transforms/Scalar/InstructionCombining.cpp
diff -u llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.616 llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.617
--- llvm/lib/Transforms/Scalar/InstructionCombining.cpp:1.616	Tue Jan 30 22:40:53 2007
+++ llvm/lib/Transforms/Scalar/InstructionCombining.cpp	Wed Jan 31 12:09:17 2007
@@ -8992,13 +8992,6 @@
     }
   }
 
-  // See if SimplifyDemandedVectorElts can simplify based on this shuffle.  For
-  // example, if this is a splat, then we only demand from one input element.
-  uint64_t UndefElts;
-  if (Value *V = SimplifyDemandedVectorElts(&SVI, (1ULL << Mask.size())-1,
-                                            UndefElts))
-    return ReplaceInstUsesWith(SVI, V);
-    
   return MadeChange ? &SVI : 0;
 }