diff options
| -rw-r--r-- | polly/lib/CodeGen/IslAst.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/polly/lib/CodeGen/IslAst.cpp b/polly/lib/CodeGen/IslAst.cpp index 1d9d30b3a32..91b268b3c87 100644 --- a/polly/lib/CodeGen/IslAst.cpp +++ b/polly/lib/CodeGen/IslAst.cpp @@ -545,6 +545,11 @@ void IslAstInfo::printScop(raw_ostream &OS, Scop &S) const { if (!RootNode) { OS << ":: isl ast generation and code generation was skipped!\n\n"; + OS << ":: This is either because no useful optimizations could be applied " + "(use -polly-process-unprofitable to enforce code generation) or " + "because earlier passes such as dependence analysis timed out (use " + "-polly-dependences-computeout=0 to set dependence analysis timeout " + "to infinity)\n\n"; return; } |
