Also revert 108422, it's causing some test failures.

Working on testcases for Owen.

llvm-svn: 108494

1 files changed, 0 insertions, 19 deletions

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
index 5876f408343..3f4a857c41a 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
@@ -472,25 +472,6 @@ Value *InstCombiner::FoldAndOfICmps(ICmpInst *LHS, ICmpInst *RHS) {
       Value *NewOr = Builder->CreateOr(Val, Val2);
       return Builder->CreateICmp(LHSCC, NewOr, LHSCst);
     }
-    
-    // (icmp ne (A & C1), 0) & (icmp ne (A & C2), 0) -->
-    // (icmp eq (A & (C1|C2)), (C1|C2))
-    if (LHSCC == ICmpInst::ICMP_NE && LHSCst->isZero()) {
-      Instruction *I1 = dyn_cast<Instruction>(Val);
-      Instruction *I2 = dyn_cast<Instruction>(Val2);
-      if (I1 && I1->getOpcode() == Instruction::And &&
-          I2 && I2->getOpcode() == Instruction::And &&
-          I1->getOperand(0) == I1->getOperand(0)) {
-        ConstantInt *CI1 = dyn_cast<ConstantInt>(I1->getOperand(1));
-        ConstantInt *CI2 = dyn_cast<ConstantInt>(I2->getOperand(1));
-        if (CI1 && !CI1->isZero() && CI2 && !CI2->isZero() &&
-            CI1->getValue().operator&(CI2->getValue()) == 0) {
-          Constant *ConstOr = ConstantExpr::getOr(CI1, CI2);
-          Value *NewAnd = Builder->CreateAnd(I1->getOperand(0), ConstOr);
-          return Builder->CreateICmp(ICmpInst::ICMP_EQ, NewAnd, ConstOr);
-        }
-      }
-    }
   }
   
   // From here on, we only handle: