From 1c9afa1aeb7de21a66bc4a16534ff2384f8c3b3a Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Tue, 5 Oct 2010 18:48:55 +0000
Subject: Add assert for valid slot indexes.

llvm-svn: 115649
---
 llvm/lib/CodeGen/LiveInterval.cpp | 1 +
 1 file changed, 1 insertion(+)

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

diff --git a/llvm/lib/CodeGen/LiveInterval.cpp b/llvm/lib/CodeGen/LiveInterval.cpp
index e18d7c7858b..0ea8f5978c9 100644
--- a/llvm/lib/CodeGen/LiveInterval.cpp
+++ b/llvm/lib/CodeGen/LiveInterval.cpp
@@ -40,6 +40,7 @@ struct CompEnd {
 }
 
 LiveInterval::iterator LiveInterval::find(SlotIndex Pos) {
+  assert(Pos.isValid() && "Cannot search for an invalid index");
   return std::upper_bound(begin(), end(), LiveRange(SlotIndex(), Pos, 0),
                           CompEnd());
 }
-- 
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