Fix a typo in ValueTracking that's causing instcombine to delete needed shift instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98416 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp
index 92cbb7c..5ae72f7 100644
--- a/lib/Analysis/ValueTracking.cpp
+++ b/lib/Analysis/ValueTracking.cpp
@@ -779,7 +779,7 @@
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;
}