From: Lang Hames <lhames@gmail.com>
Date: Thu, 2 Feb 2012 06:55:45 +0000 (+0000)
Subject: Break as soon as the MustMapCurValNos flag is set - no need to reiterate.
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=d88710a3e0847baec0847b802637a48b71718d4d

Break as soon as the MustMapCurValNos flag is set - no need to reiterate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149596 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 0dbaaf804b6..f05574ee623 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -381,8 +381,10 @@ void LiveInterval::join(LiveInterval &Other,
   for (unsigned i = 0; i != NumVals; ++i) {
     unsigned LHSValID = LHSValNoAssignments[i];
     if (i != LHSValID ||
-        (NewVNInfo[LHSValID] && NewVNInfo[LHSValID] != getValNumInfo(i)))
+        (NewVNInfo[LHSValID] && NewVNInfo[LHSValID] != getValNumInfo(i))) {
       MustMapCurValNos = true;
+      break;
+    }
   }
 
   // If we have to apply a mapping to our base interval assignment, rewrite it