Remove an unused variable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147605 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp
index 71894bde43ba0cac7ed4c2d4887cc8eb0fbf7ee7..b02f3b6e1e8ddb142dc58b996dc1df2fa52281d8 100644 (file)
--- a/lib/CodeGen/ScheduleDAGInstrs.cpp
+++ b/lib/CodeGen/ScheduleDAGInstrs.cpp
@@ -267,7 +267,6 @@ void ScheduleDAGInstrs::BuildSchedGraph(AliasAnalysis *AA) {
       // TODO: Using a latency of 1 here for output dependencies assumes
       //       there's no cost for reusing registers.
       SDep::Kind Kind = MO.isUse() ? SDep::Anti : SDep::Output;
-      unsigned AOLatency = (Kind == SDep::Anti) ? 0 : 1;
       for (const unsigned *Alias = TRI->getOverlaps(Reg); *Alias; ++Alias) {
         std::vector<SUnit *> &DefList = Defs[*Alias];
         for (unsigned i = 0, e = DefList.size(); i != e; ++i) {