The CorrelatedExpressionElimination pass is known to be buggy. Remove it.

This fixes PR1769.

llvm-svn: 46408

llvm/include/llvm/LinkAllPasses.h

@@ -54,7 +54,6 @@ namespace {
       (void) llvm::createCFGSimplificationPass();
       (void) llvm::createConstantMergePass();
       (void) llvm::createConstantPropagationPass();
-      (void) llvm::createCorrelatedExpressionEliminationPass();
       (void) llvm::createDeadArgEliminationPass();
       (void) llvm::createDeadCodeEliminationPass();
       (void) llvm::createDeadInstEliminationPass();

llvm/include/llvm/Transforms/Scalar.h

@@ -182,17 +182,6 @@ extern const PassInfo *DemoteRegisterToMemoryID;
 //
 FunctionPass *createReassociatePass();
 
-//===----------------------------------------------------------------------===//
-//
-// CorrelatedExpressionElimination - This pass eliminates correlated
-// conditions, such as these:
-//  if (X == 0)
-//    if (X > 2) ;   // Known false
-//    else
-//      Y = X * Z;   // = 0
-//
-FunctionPass *createCorrelatedExpressionEliminationPass();
-
 //===----------------------------------------------------------------------===//
 //
 // CondPropagationPass - This pass propagates information about conditional