From ed242a0f1c2cfaabae6833c9c7ed3a97aca67c29 Mon Sep 17 00:00:00 2001
From: Nadav Rotem <nrotem@apple.com>
Date: Mon, 10 Sep 2012 12:47:38 +0000
Subject: Stack Coloring: When searching for disjoint regions, do not compare
 intervals twice or to theirself.

llvm-svn: 163508
---
 llvm/lib/CodeGen/StackColoring.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'llvm/lib/CodeGen/StackColoring.cpp')

diff --git a/llvm/lib/CodeGen/StackColoring.cpp b/llvm/lib/CodeGen/StackColoring.cpp
index 027096b8105..45c9af21bb2 100644
--- a/llvm/lib/CodeGen/StackColoring.cpp
+++ b/llvm/lib/CodeGen/StackColoring.cpp
@@ -630,7 +630,7 @@ bool StackColoring::runOnMachineFunction(MachineFunction &Func) {
       if (SortedSlots[I] == -1)
         continue;
 
-      for (unsigned J=0; J < NumSlots; ++J) {
+      for (unsigned J=I+1; J < NumSlots; ++J) {
         if (SortedSlots[J] == -1)
           continue;
 
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