Quiet a compiler warning about unused variable 'ExtVNI'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126815 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 4b4d4bdaaef7ccb952b7547760db1a1b02d27259..92829b1ea46244fe143a636c63917ef8b6549b5d 100644 (file)
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -794,6 +794,7 @@ void LiveIntervals::shrinkToUses(LiveInterval *li) {
 
     // Extend the live range for VNI to be live at Idx.
     if (VNInfo *ExtVNI = NewLI.extendInBlock(BlockStart, Idx)) {
+      (void)ExtVNI;
       assert(ExtVNI == VNI && "Unexpected existing value number");
       // Is this a PHIDef we haven't seen before?
       if (!VNI->isPHIDef() || !UsedPHIs.insert(VNI))