From 136a6f0dbbe9e438b7b937ca75ffd97573757932 Mon Sep 17 00:00:00 2001
From: Duncan Sands <baldrick@free.fr>
Date: Mon, 26 Jul 2010 07:54:17 +0000
Subject: [PATCH] Pacify gcc-4.5 which wrongly thinks that RExcess (passed as
 the Excess parameter) may be used uninitialized in the callers of
 HighRegPressure.

llvm-svn: 109393
---
 llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
index cb69314348bc..b31f1123dcc6 100644
--- a/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
@@ -1192,11 +1192,12 @@ namespace {
     }
 
     bool HighRegPressure(const SUnit *SU, unsigned &Excess) const {
+      Excess = 0;
+
       if (!TLI)
         return false;
 
       bool High = false;
-      Excess = 0;
       for (SUnit::const_pred_iterator I = SU->Preds.begin(),E = SU->Preds.end();
            I != E; ++I) {
         if (I->isCtrl())