From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Fri, 1 Jul 2011 03:31:29 +0000 (+0000)
Subject: Fix off by one error. I misunderstood the comment about killedAt.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fe11caaa73782e3182a4d4840ee00336dab9490a;p=oota-llvm.git

Fix off by one error. I misunderstood the comment about killedAt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134229 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/RegisterCoalescer.cpp b/lib/CodeGen/RegisterCoalescer.cpp
index 76edc08c52a..f525ccd211e 100644
--- a/lib/CodeGen/RegisterCoalescer.cpp
+++ b/lib/CodeGen/RegisterCoalescer.cpp
@@ -1213,7 +1213,7 @@ static bool RegistersDefinedFromSameValue(LiveIntervals &li,
 
   // FIXME: If "B = X" kills X, we have to move the kill back to its
   // previous use. For now we just avoid the optimization in that case.
-  SlotIndex CopyIdx = li.getInstructionIndex(MI).getNextIndex().getDefIndex();
+  SlotIndex CopyIdx = li.getInstructionIndex(MI).getDefIndex();
   LiveInterval &SrcInt = li.getInterval(Src);
   if (SrcInt.killedAt(CopyIdx))
     return false;