From d2e985fd323c167e20f77b045a1d99ad166e65db Mon Sep 17 00:00:00 2001
From: rdivacky <rdivacky@FreeBSD.org>
Date: Wed, 18 Nov 2009 14:58:34 +0000
Subject: Update LLVM to r89205.

---
 lib/CodeGen/RegAllocPBQP.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'lib/CodeGen/RegAllocPBQP.cpp')

diff --git a/lib/CodeGen/RegAllocPBQP.cpp b/lib/CodeGen/RegAllocPBQP.cpp
index 5757e47..c677d34 100644
--- a/lib/CodeGen/RegAllocPBQP.cpp
+++ b/lib/CodeGen/RegAllocPBQP.cpp
@@ -693,6 +693,11 @@ void PBQPRegAlloc::addStackInterval(const LiveInterval *spilled,
 }
 
 bool PBQPRegAlloc::mapPBQPToRegAlloc(const PBQP::Solution &solution) {
+
+  // Assert that this is a valid solution to the regalloc problem.
+  assert(solution.getCost() != std::numeric_limits<PBQP::PBQPNum>::infinity() &&
+         "Invalid (infinite cost) solution for PBQP problem.");
+
   // Set to true if we have any spills
   bool anotherRoundNeeded = false;
 
-- 
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