[llvm] r299349 - [InstCombine] Remove a And transform that should be handled by SimplifyDemandedInstructionBits. NFCI

[Craig Topper via llvm-commits]

Author: ctopper
Date: Mon Apr  3 01:02:09 2017
New Revision: 299349

URL: http://llvm.org/viewvc/llvm-project?rev=299349&view=rev
Log:
[InstCombine] Remove a And transform that should be handled by SimplifyDemandedInstructionBits. NFCI

Modified:
    llvm/trunk/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp

Modified: llvm/trunk/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp?rev=299349&r1=299348&r2=299349&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp (original)
+++ llvm/trunk/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp Mon Apr  3 01:02:09 2017
@@ -159,13 +159,6 @@ Instruction *InstCombiner::OptAndOp(Bina
     break;
   case Instruction::Or:
     if (Op->hasOneUse()){
-      if (Together != OpRHS) {
-        // (X | C1) & C2 --> (X | (C1&C2)) & C2
-        Value *Or = Builder->CreateOr(X, Together);
-        Or->takeName(Op);
-        return BinaryOperator::CreateAnd(Or, AndRHS);
-      }
-
       ConstantInt *TogetherCI = dyn_cast<ConstantInt>(Together);
       if (TogetherCI && !TogetherCI->isZero()){
         // (X | C1) & C2 --> (X & (C2^(C1&C2))) | C1