From: Andrew Trick <atrick@apple.com>
Date: Fri, 13 May 2011 01:12:21 +0000 (+0000)
Subject: Convert SimplifyIVUsers into a worklist instead of a single pass over
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=14ba1ff133bc891869eef9ebb28095062ed71e77;p=oota-llvm.git

Convert SimplifyIVUsers into a worklist instead of a single pass over
the users.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131277 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index ab9e21a9ec7..99f5e7fd66b 100644
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -458,7 +458,7 @@ void IndVarSimplify::RewriteNonIntegerIVs(Loop *L) {
 /// loop. IVUsers is treated as a worklist. Each successive simplification may
 /// push more users which may themselves be candidates for simplification.
 void IndVarSimplify::SimplifyIVUsers() {
-  for (IVUsers::iterator I = IU->begin(), E = IU->end(); I != E; ++I) {
+  for (IVUsers::iterator I = IU->begin(); I != IU->end(); ++I) {
     Instruction *UseInst = I->getUser();
     Value *IVOperand = I->getOperandValToReplace();