fix a minor deviation from the original in my previous commit

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52247 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/InstructionCombining.cpp b/lib/Transforms/Scalar/InstructionCombining.cpp
index ce4178319842b802d150b3924c8778ca487ccc57..c04df4a749b560fc8afaae021f5359a787390889 100644 (file)
--- a/lib/Transforms/Scalar/InstructionCombining.cpp
+++ b/lib/Transforms/Scalar/InstructionCombining.cpp
@@ -8287,7 +8287,7 @@ static unsigned EnforceKnownAlignment(Value *V,
   case Instruction::GetElementPtr: {
     // If all indexes are zero, it is just the alignment of the base pointer.
     bool AllZeroOperands = true;
-    for (User::op_iterator i = U->op_begin(), e = U->op_end(); i != e; ++i)
+    for (User::op_iterator i = U->op_begin() + 1, e = U->op_end(); i != e; ++i)
       if (!isa<Constant>(*i) ||
           !cast<Constant>(*i)->isNullValue()) {
         AllZeroOperands = false;