diff options
| -rw-r--r-- | lib/Transforms/IPO/IPConstantPropagation.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Transforms/IPO/IPConstantPropagation.cpp b/lib/Transforms/IPO/IPConstantPropagation.cpp index 9daeb4f..bf2e3d7 100644 --- a/lib/Transforms/IPO/IPConstantPropagation.cpp +++ b/lib/Transforms/IPO/IPConstantPropagation.cpp @@ -113,7 +113,7 @@ bool IPCP::processFunction(Function &F) { bool MadeChange = false; for (unsigned i = 0, e = ArgumentConstants.size(); i != e; ++i, ++AI) // Do we have a constant argument!? - if (!ArgumentConstants[i].second) { + if (!ArgumentConstants[i].second && !AI->use_empty()) { Value *V = ArgumentConstants[i].first; if (V == 0) V = UndefValue::get(AI->getType()); AI->replaceAllUsesWith(V); |