1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index bf9ec0e..ad4bcc9 100644
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -1267,7 +1267,7 @@ CallOverdefined:
   for (Function::arg_iterator AI = F->arg_begin(), E = F->arg_end();
        AI != E; ++AI, ++CAI) {
     LatticeVal &IV = ValueState[AI];
-    if (AI->hasByValAttr() && isa<PointerType>(AI->getType())) {
+    if (AI->hasByValAttr() && !F->onlyReadsMemory()) {
       IV.markOverdefined();
       continue;
     }