diff options
| -rw-r--r-- | llvm/lib/VMCore/PassManager.cpp | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/llvm/lib/VMCore/PassManager.cpp b/llvm/lib/VMCore/PassManager.cpp index 0dff67f2720..9585b0dbce3 100644 --- a/llvm/lib/VMCore/PassManager.cpp +++ b/llvm/lib/VMCore/PassManager.cpp @@ -269,6 +269,11 @@ public: /// Return true IFF AnalysisID AID is currently available. Pass *getAnalysisPassFromManager(AnalysisID AID); + /// Pass Manager itself does not invalidate any analysis info. + void getAnalysisUsage(AnalysisUsage &Info) const { + Info.setPreservesAll(); + } + private: }; @@ -311,6 +316,12 @@ public: /// doFinalization - Run all of the initializers for the function passes. /// bool doFinalization(Module &M); + + /// Pass Manager itself does not invalidate any analysis info. + void getAnalysisUsage(AnalysisUsage &Info) const { + Info.setPreservesAll(); + } + private: // Active Pass Managers BasicBlockPassManager_New *activeBBPassManager; @@ -333,7 +344,12 @@ public: /// Return true IFF AnalysisID AID is currently available. Pass *getAnalysisPassFromManager(AnalysisID AID); - + + /// Pass Manager itself does not invalidate any analysis info. + void getAnalysisUsage(AnalysisUsage &Info) const { + Info.setPreservesAll(); + } + private: // Active Pass Manager FunctionPassManagerImpl_New *activeFunctionPassManager; @@ -357,6 +373,11 @@ public: /// Return true IFF AnalysisID AID is currently available. Pass *getAnalysisPassFromManager(AnalysisID AID); + /// Pass Manager itself does not invalidate any analysis info. + void getAnalysisUsage(AnalysisUsage &Info) const { + Info.setPreservesAll(); + } + private: /// Add a pass into a passmanager queue. This is used by schedulePasses |
