diff options
| -rw-r--r-- | llvm/lib/Transforms/IPO/FunctionAttrs.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/IPO/FunctionAttrs.cpp b/llvm/lib/Transforms/IPO/FunctionAttrs.cpp index 28cc81c76d4..5cc29a49379 100644 --- a/llvm/lib/Transforms/IPO/FunctionAttrs.cpp +++ b/llvm/lib/Transforms/IPO/FunctionAttrs.cpp @@ -1188,6 +1188,10 @@ static bool runImpl(CallGraphSCC &SCC, AARGetterT AARGetter) { SCCNodes.insert(F); } + // Skip it if the SCC only contains optnone functions. + if (SCCNodes.empty()) + return Changed; + Changed |= addArgumentReturnedAttrs(SCCNodes); Changed |= addReadAttrs(SCCNodes, AARGetter); Changed |= addArgumentAttrs(SCCNodes); |
