[llvm-commits] [llvm] r89713 - /llvm/trunk/lib/Analysis/IVUsers.cpp

[Jim Grosbach]

Author: grosbach
Date: Mon Nov 23 17:25:54 2009
New Revision: 89713

URL: http://llvm.org/viewvc/llvm-project?rev=89713&view=rev
Log:
enable iv-users simplification by default

Modified:
    llvm/trunk/lib/Analysis/IVUsers.cpp

Modified: llvm/trunk/lib/Analysis/IVUsers.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/IVUsers.cpp?rev=89713&r1=89712&r2=89713&view=diff

==============================================================================
--- llvm/trunk/lib/Analysis/IVUsers.cpp (original)
+++ llvm/trunk/lib/Analysis/IVUsers.cpp Mon Nov 23 17:25:54 2009
@@ -24,7 +24,6 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/CommandLine.h"
 #include <algorithm>
 using namespace llvm;
 
@@ -32,10 +31,6 @@
 static RegisterPass<IVUsers>
 X("iv-users", "Induction Variable Users", false, true);
 
-static cl::opt<bool>
-SimplifyIVUsers("simplify-iv-users", cl::Hidden, cl::init(false),
-          cl::desc("Restrict IV Users to loop-invariant strides"));
-
 Pass *llvm::createIVUsersPass() {
   return new IVUsers();
 }
@@ -214,8 +209,7 @@
     return false;  // Non-reducible symbolic expression, bail out.
 
   // Keep things simple. Don't touch loop-variant strides.
-  if (SimplifyIVUsers && !Stride->isLoopInvariant(L)
-      && L->contains(I->getParent()))
+  if (!Stride->isLoopInvariant(L) && L->contains(I->getParent()))
     return false;
 
   SmallPtrSet<Instruction *, 4> UniqueUsers;