[llvm-commits] [llvm] r89713 - /llvm/trunk/lib/Analysis/IVUsers.cpp
Jim Grosbach
grosbach at apple.com
Mon Nov 23 15:25:55 PST 2009
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;
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