diff options
Diffstat (limited to 'contrib/llvm/lib/Analysis/DominanceFrontier.cpp')
| -rw-r--r-- | contrib/llvm/lib/Analysis/DominanceFrontier.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Analysis/DominanceFrontier.cpp b/contrib/llvm/lib/Analysis/DominanceFrontier.cpp index 15856c3f8b7a..5b6e2d0476e4 100644 --- a/contrib/llvm/lib/Analysis/DominanceFrontier.cpp +++ b/contrib/llvm/lib/Analysis/DominanceFrontier.cpp @@ -56,6 +56,16 @@ LLVM_DUMP_METHOD void DominanceFrontierWrapperPass::dump() const { } #endif +/// Handle invalidation explicitly. +bool DominanceFrontier::invalidate(Function &F, const PreservedAnalyses &PA, + FunctionAnalysisManager::Invalidator &) { + // Check whether the analysis, all analyses on functions, or the function's + // CFG have been preserved. + auto PAC = PA.getChecker<DominanceFrontierAnalysis>(); + return !(PAC.preserved() || PAC.preservedSet<AllAnalysesOn<Function>>() || + PAC.preservedSet<CFGAnalyses>()); +} + AnalysisKey DominanceFrontierAnalysis::Key; DominanceFrontier DominanceFrontierAnalysis::run(Function &F, |