From c8046c02c2ca2bdf0e5e5180b8967a0946d6df96 Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Sat, 11 Feb 2012 00:40:36 +0000
Subject: [PATCH] Don't read PreRegAlloc before it is initialized.

llvm-svn: 150286
---
 llvm/lib/CodeGen/MachineLICM.cpp | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/llvm/lib/CodeGen/MachineLICM.cpp b/llvm/lib/CodeGen/MachineLICM.cpp
index f26635d5001f..fda60563ed40 100644
--- a/llvm/lib/CodeGen/MachineLICM.cpp
+++ b/llvm/lib/CodeGen/MachineLICM.cpp
@@ -311,12 +311,6 @@ static bool LoopIsOuterMostWithPredecessor(MachineLoop *CurLoop) {
 }
 
 bool MachineLICM::runOnMachineFunction(MachineFunction &MF) {
-  if (PreRegAlloc)
-    DEBUG(dbgs() << "******** Pre-regalloc Machine LICM: ");
-  else
-    DEBUG(dbgs() << "******** Post-regalloc Machine LICM: ");
-  DEBUG(dbgs() << MF.getFunction()->getName() << " ********\n");
-
   Changed = FirstInLoop = false;
   TM = &MF.getTarget();
   TII = TM->getInstrInfo();
@@ -328,6 +322,12 @@ bool MachineLICM::runOnMachineFunction(MachineFunction &MF) {
 
   PreRegAlloc = MRI->isSSA();
 
+  if (PreRegAlloc)
+    DEBUG(dbgs() << "******** Pre-regalloc Machine LICM: ");
+  else
+    DEBUG(dbgs() << "******** Post-regalloc Machine LICM: ");
+  DEBUG(dbgs() << MF.getFunction()->getName() << " ********\n");
+
   if (PreRegAlloc) {
     // Estimate register pressure during pre-regalloc pass.
     unsigned NumRC = TRI->getNumRegClasses();