diff options
Diffstat (limited to 'contrib/llvm/lib/VMCore/PassManager.cpp')
| -rw-r--r-- | contrib/llvm/lib/VMCore/PassManager.cpp | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/contrib/llvm/lib/VMCore/PassManager.cpp b/contrib/llvm/lib/VMCore/PassManager.cpp index 28fbaa6..4530c04 100644 --- a/contrib/llvm/lib/VMCore/PassManager.cpp +++ b/contrib/llvm/lib/VMCore/PassManager.cpp @@ -478,8 +478,7 @@ PMTopLevelManager::PMTopLevelManager(PMDataManager *PMDM) { /// Set pass P as the last user of the given analysis passes. void -PMTopLevelManager::setLastUser(const SmallVectorImpl<Pass *> &AnalysisPasses, - Pass *P) { +PMTopLevelManager::setLastUser(ArrayRef<Pass*> AnalysisPasses, Pass *P) { unsigned PDepth = 0; if (P->getResolver()) PDepth = P->getResolver()->getPMDataManager().getDepth(); @@ -594,6 +593,26 @@ void PMTopLevelManager::schedulePass(Pass *P) { Pass *AnalysisPass = findAnalysisPass(*I); if (!AnalysisPass) { const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); + + if (PI == NULL) { + // Pass P is not in the global PassRegistry + dbgs() << "Pass '" << P->getPassName() << "' is not initialized." << "\n"; + dbgs() << "Verify if there is a pass dependency cycle." << "\n"; + dbgs() << "Required Passes:" << "\n"; + for (AnalysisUsage::VectorType::const_iterator I2 = RequiredSet.begin(), + E = RequiredSet.end(); I2 != E && I2 != I; ++I2) { + Pass *AnalysisPass2 = findAnalysisPass(*I2); + if (AnalysisPass2) { + dbgs() << "\t" << AnalysisPass2->getPassName() << "\n"; + } + else { + dbgs() << "\t" << "Error: Required pass not found! Possible causes:" << "\n"; + dbgs() << "\t\t" << "- Pass misconfiguration (e.g.: missing macros)" << "\n"; + dbgs() << "\t\t" << "- Corruption of the global PassRegistry" << "\n"; + } + } + } + assert(PI && "Expected required passes to be initialized"); AnalysisPass = PI->createPass(); if (P->getPotentialPassManagerType () == |
