Make this LookAheadLimit, not the uninitialized LookAheadLeft.

Evan please verify!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@104408 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/MachineCSE.cpp b/lib/CodeGen/MachineCSE.cpp
index acd31176c339eb12a7ec7d11c514f8565765eae9..6f4f7a8834097b78bb175016a96d8adf0aeef5e9 100644 (file)
--- a/lib/CodeGen/MachineCSE.cpp
+++ b/lib/CodeGen/MachineCSE.cpp
@@ -137,7 +137,7 @@ bool
 MachineCSE::isPhysDefTriviallyDead(unsigned Reg,
                                    MachineBasicBlock::const_iterator I,
                                    MachineBasicBlock::const_iterator E) const {
-  unsigned LookAheadLeft = LookAheadLeft;
+  unsigned LookAheadLeft = LookAheadLimit;
   while (LookAheadLeft) {
     // Skip over dbg_value's.
     while (I != E && I->isDebugValue())