1 files changed, 1 insertions, 1 deletions

diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index 92cbb7c95c03..5ae72f7aba9a 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -779,7 +779,7 @@ unsigned llvm::ComputeNumSignBits(Value *V, const TargetData *TD,
     for (unsigned i = 1, e = PN->getNumIncomingValues(); i != e; ++i) {
       if (Tmp == 1) return Tmp;
       Tmp = std::min(Tmp,
-                     ComputeNumSignBits(PN->getIncomingValue(1), TD, Depth+1));
+                     ComputeNumSignBits(PN->getIncomingValue(i), TD, Depth+1));
     }
     return Tmp;
   }