#include "llvm/Analysis/CFGPrinter.h"
#include "llvm/Pass.h"
+#include "llvm/Support/FileSystem.h"
using namespace llvm;
namespace {
initializeCFGOnlyViewerPass(*PassRegistry::getPassRegistry());
}
- virtual bool runOnFunction(Function &F) {
+ bool runOnFunction(Function &F) override {
F.viewCFG();
return false;
}
- void print(raw_ostream &OS, const Module* = 0) const {}
+ void print(raw_ostream &OS, const Module* = nullptr) const override {}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
initializeCFGOnlyViewerPass(*PassRegistry::getPassRegistry());
}
- virtual bool runOnFunction(Function &F) {
+ bool runOnFunction(Function &F) override {
F.viewCFGOnly();
return false;
}
- void print(raw_ostream &OS, const Module* = 0) const {}
+ void print(raw_ostream &OS, const Module* = nullptr) const override {}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
initializeCFGPrinterPass(*PassRegistry::getPassRegistry());
}
- virtual bool runOnFunction(Function &F) {
+ bool runOnFunction(Function &F) override {
std::string Filename = "cfg." + F.getName().str() + ".dot";
errs() << "Writing '" << Filename << "'...";
-
- std::string ErrorInfo;
- raw_fd_ostream File(Filename.c_str(), ErrorInfo);
- if (ErrorInfo.empty())
+ std::error_code EC;
+ raw_fd_ostream File(Filename, EC, sys::fs::F_Text);
+
+ if (!EC)
WriteGraph(File, (const Function*)&F);
else
errs() << " error opening file for writing!";
return false;
}
- void print(raw_ostream &OS, const Module* = 0) const {}
+ void print(raw_ostream &OS, const Module* = nullptr) const override {}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
CFGOnlyPrinter() : FunctionPass(ID) {
initializeCFGOnlyPrinterPass(*PassRegistry::getPassRegistry());
}
-
- virtual bool runOnFunction(Function &F) {
+
+ bool runOnFunction(Function &F) override {
std::string Filename = "cfg." + F.getName().str() + ".dot";
errs() << "Writing '" << Filename << "'...";
- std::string ErrorInfo;
- raw_fd_ostream File(Filename.c_str(), ErrorInfo);
-
- if (ErrorInfo.empty())
+ std::error_code EC;
+ raw_fd_ostream File(Filename, EC, sys::fs::F_Text);
+
+ if (!EC)
WriteGraph(File, (const Function*)&F, true);
else
errs() << " error opening file for writing!";
errs() << "\n";
return false;
}
- void print(raw_ostream &OS, const Module* = 0) const {}
+ void print(raw_ostream &OS, const Module* = nullptr) const override {}
- virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesAll();
}
};
/// viewCFGOnly - This function is meant for use from the debugger. It works
/// just like viewCFG, but it does not include the contents of basic blocks
-/// into the nodes, just the label. If you are only interested in the CFG t
-/// his can make the graph smaller.
+/// into the nodes, just the label. If you are only interested in the CFG
+/// this can make the graph smaller.
///
void Function::viewCFGOnly() const {
ViewGraph(this, "cfg" + getName(), true);