From b3cdb0ec31482b7fd730ccee92b19455f6f3022b Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Fri, 9 Apr 2010 01:22:56 +0000
Subject: Fix a bug in IVUsers which was permitting non-affine addrecs to be
 sent to LSR, which it isn't prepared to handle.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100839 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Analysis/IVUsers.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'lib/Analysis/IVUsers.cpp')

diff --git a/lib/Analysis/IVUsers.cpp b/lib/Analysis/IVUsers.cpp
index 467f9dd840..c821cc95ca 100644
--- a/lib/Analysis/IVUsers.cpp
+++ b/lib/Analysis/IVUsers.cpp
@@ -73,8 +73,8 @@ static bool isInteresting(const SCEV *S, const Instruction *I, const Loop *L) {
   // An addrec is interesting if it's affine or if it has an interesting start.
   if (const SCEVAddRecExpr *AR = dyn_cast<SCEVAddRecExpr>(S)) {
     // Keep things simple. Don't touch loop-variant strides.
-    if (AR->getLoop() == L && (AR->isAffine() || !L->contains(I)))
-        return true;
+    if (AR->getLoop() == L)
+      return AR->isAffine() || !L->contains(I);
     // Otherwise recurse to see if the start value is interesting.
     return isInteresting(AR->getStart(), I, L);
   }
-- 
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