#include "llvm/ADT/SCCIterator.h"
#include "llvm/Analysis/CallGraph.h"
+#include "llvm/IR/CFG.h"
#include "llvm/IR/Module.h"
#include "llvm/Pass.h"
-#include "llvm/Support/CFG.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
struct CFGSCC : public FunctionPass {
static char ID; // Pass identification, replacement for typeid
CFGSCC() : FunctionPass(ID) {}
- bool runOnFunction(Function& func);
+ bool runOnFunction(Function& func) override;
- void print(raw_ostream &O, const Module* = 0) const { }
+ void print(raw_ostream &O, const Module* = nullptr) const override { }
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
CallGraphSCC() : ModulePass(ID) {}
// run - Print out SCCs in the call graph for the specified module.
- bool runOnModule(Module &M);
+ bool runOnModule(Module &M) override;
- void print(raw_ostream &O, const Module* = 0) const { }
+ void print(raw_ostream &O, const Module* = nullptr) const override { }
// getAnalysisUsage - This pass requires the CallGraph.
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
AU.addRequired<CallGraphWrapperPass>();
}
bool CFGSCC::runOnFunction(Function &F) {
unsigned sccNum = 0;
errs() << "SCCs for Function " << F.getName() << " in PostOrder:";
- for (scc_iterator<Function*> SCCI = scc_begin(&F),
- E = scc_end(&F); SCCI != E; ++SCCI) {
- std::vector<BasicBlock*> &nextSCC = *SCCI;
+ for (scc_iterator<Function*> SCCI = scc_begin(&F); !SCCI.isAtEnd(); ++SCCI) {
+ const std::vector<BasicBlock *> &nextSCC = *SCCI;
errs() << "\nSCC #" << ++sccNum << " : ";
for (std::vector<BasicBlock*>::const_iterator I = nextSCC.begin(),
E = nextSCC.end(); I != E; ++I)
CallGraph &CG = getAnalysis<CallGraphWrapperPass>().getCallGraph();
unsigned sccNum = 0;
errs() << "SCCs for the program in PostOrder:";
- for (scc_iterator<CallGraph*> SCCI = scc_begin(&CG),
- E = scc_end(&CG); SCCI != E; ++SCCI) {
+ for (scc_iterator<CallGraph*> SCCI = scc_begin(&CG); !SCCI.isAtEnd();
+ ++SCCI) {
const std::vector<CallGraphNode*> &nextSCC = *SCCI;
errs() << "\nSCC #" << ++sccNum << " : ";
for (std::vector<CallGraphNode*>::const_iterator I = nextSCC.begin(),