Strengthen the previous check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64076 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 9 deletions

diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h
index f06ca43f2b..1e8202e5f4 100644
--- a/include/llvm/CodeGen/LiveInterval.h
+++ b/include/llvm/CodeGen/LiveInterval.h
@@ -272,17 +272,15 @@ namespace llvm {
       return I != kills.end() && *I == KillIdx;
     }
 
-    /// isOnlyKill - Return true if the specified index is the only kill of the
-    /// specified val#.
-    static bool isOnlyKill(const VNInfo *VNI, unsigned KillIdx) {
-      bool Found = false;
-      const SmallVector<unsigned, 4> &kills = VNI->kills;
-      for (unsigned i = 0, e = kills.size(); i != e; ++i) {
-        if (KillIdx != kills[i])
+    /// isOnlyLROfValNo - Return true if the specified live range is the only
+    /// one defined by the its val#.
+    bool isOnlyLROfValNo( const LiveRange *LR) {
+      for (const_iterator I = begin(), E = end(); I != E; ++I) {
+        const LiveRange *Tmp = I;
+        if (Tmp != LR && Tmp->valno == LR->valno)
           return false;
-        Found = true;
       }
-      return Found;
+      return true;
     }
     
     /// MergeValueNumberInto - This method is called when two value nubmers