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| author | Tobias Grosser <tobias@grosser.es> | 2015-10-06 16:10:46 +0000 |
|---|---|---|
| committer | Tobias Grosser <tobias@grosser.es> | 2015-10-06 16:10:46 +0000 |
| commit | 3593739cb273bb304b27ac98916d7b833ed988c1 (patch) | |
| tree | 6c898a3f58fb55be6937a5ee38b052fc11dda081 | |
| parent | 575aca8d43be78a49a868c6b4f9db24e03737cb8 (diff) | |
| download | bcm5719-llvm-3593739cb273bb304b27ac98916d7b833ed988c1.tar.gz bcm5719-llvm-3593739cb273bb304b27ac98916d7b833ed988c1.zip | |
IslAst: Give some hints why code generation might have been skipped
llvm-svn: 249427
| -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; } |
