| //===- StackSafety.h -*- C++ -*---------=// |
| // |
| // This file defines checks for stack safety |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_STACKSAFETY_H |
| #define LLVM_STACKSAFETY_H |
| |
| #include "dsa/DataStructure.h" |
| #include "dsa/DSGraph.h" |
| #include "dsa/DSNode.h" |
| #include "llvm/Pass.h" |
| |
| #include <set> |
| |
| namespace llvm { |
| |
| ModulePass* createStackSafetyPass(); |
| |
| namespace CSS { |
| |
| struct checkStackSafety : public ModulePass { |
| |
| public : |
| static char ID; |
| checkStackSafety() : ModulePass ((intptr_t) &ID) {} |
| std::vector<DSNode *> AllocaNodes; |
| const char *getPassName() const { return "Stack Safety Check";} |
| virtual bool runOnModule(Module &M); |
| virtual void getAnalysisUsage(AnalysisUsage &AU) const { |
| AU.addRequired<CompleteBUDataStructures>(); |
| AU.setPreservesAll(); |
| } |
| private : |
| std::set<DSNode *> reachableAllocaNodes; |
| bool markReachableAllocas(DSNode *DSN, bool start=false); |
| bool markReachableAllocasInt(DSNode *DSN, bool start=false); |
| }; |
| } |
| } |
| #endif |
