Reassociate now works


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4472 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index 8d8950e..31f7e6e 100644
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -75,9 +75,8 @@
   addPass(PM, createRaisePointerReferencesPass(TD));// Recover type information
   addPass(PM, createInstructionCombiningPass()); // Combine silly seq's
   addPass(PM, createPromoteMemoryToRegister());  // Promote alloca's to regs
-  // Disabling until this is fixed -- Vikram, 7/7/02.
-  // addPass(PM, createReassociatePass());          // Reassociate expressions
-  addPass(PM, createCorrelatedExpressionEliminationPass());
+  addPass(PM, createReassociatePass());          // Reassociate expressions
+  addPass(PM, createCorrelatedExpressionEliminationPass());// Kill corr branches
   addPass(PM, createInstructionCombiningPass()); // Combine silly seq's
   addPass(PM, createCFGSimplificationPass());    // Merge & remove BBs
   addPass(PM, createLICMPass());                 // Hoist loop invariants