AMDGPU: Handle sub of constant for DS offset folding

[oota-llvm.git] / lib / Fuzzer / FuzzerInternal.h

diff --git a/lib/Fuzzer/FuzzerInternal.h b/lib/Fuzzer/FuzzerInternal.h
index 7e119d6f61643a879a7b9999c33cdc88186a39bf..334800e8275fcddfe08ed6ef0d5c67b31fc267bf 100644 (file)
--- a/lib/Fuzzer/FuzzerInternal.h
+++ b/lib/Fuzzer/FuzzerInternal.h
@@ -8,6 +8,10 @@
 //===----------------------------------------------------------------------===//
 // Define the main class fuzzer::Fuzzer and most functions.
 //===----------------------------------------------------------------------===//
+
+#ifndef LLVM_FUZZER_INTERNAL_H
+#define LLVM_FUZZER_INTERNAL_H
+
 #include <cassert>
 #include <climits>
 #include <chrono>
@@ -46,8 +50,23 @@ static const int kSHA1NumBytes = 20;
 // Computes SHA1 hash of 'Len' bytes in 'Data', writes kSHA1NumBytes to 'Out'.
 void ComputeSHA1(const uint8_t *Data, size_t Len, uint8_t *Out);
 
+// Changes U to contain only ASCII (isprint+isspace) characters.
+// Returns true iff U has been changed.
+bool ToASCII(Unit &U);
+bool IsASCII(const Unit &U);
+
 int NumberOfCpuCores();
 
+// Dictionary.
+
+// Parses one dictionary entry.
+// If successfull, write the enty to Unit and returns true,
+// otherwise returns false.
+bool ParseOneDictionaryEntry(const std::string &Str, Unit *U);
+// Parses the dictionary file, fills Units, returns true iff all lines
+// were parsed succesfully.
+bool ParseDictionaryFile(const std::string &Text, std::vector<Unit> *Units);
+
 class Fuzzer {
  public:
   struct FuzzingOptions {
@@ -65,13 +84,17 @@ class Fuzzer {
     size_t MaxNumberOfRuns = ULONG_MAX;
     int SyncTimeout = 600;
     int ReportSlowUnits = 10;
+    bool OnlyASCII = false;
+    int TBMDepth = 10;
+    int TBMWidth = 10;
     std::string OutputCorpus;
     std::string SyncCommand;
     std::vector<std::string> Tokens;
+    std::vector<Unit> Dictionary;
   };
   Fuzzer(UserSuppliedFuzzer &USF, FuzzingOptions Options);
   void AddToCorpus(const Unit &U) { Corpus.push_back(U); }
-  void Loop(size_t NumIterations);
+  void Loop();
   void ShuffleAndMinimize();
   void InitializeTraceState();
   size_t CorpusSize() const { return Corpus.size(); }
@@ -99,7 +122,7 @@ class Fuzzer {
   void MutateAndTestOne(Unit *U);
   void ReportNewCoverage(size_t NewCoverage, const Unit &U);
   size_t RunOne(const Unit &U);
-  void RunOneAndUpdateCorpus(const Unit &U);
+  void RunOneAndUpdateCorpus(Unit &U);
   size_t RunOneMaximizeTotalCoverage(const Unit &U);
   size_t RunOneMaximizeFullCoverageSet(const Unit &U);
   size_t RunOneMaximizeCoveragePairs(const Unit &U);
@@ -127,6 +150,7 @@ class Fuzzer {
   Unit CurrentUnit;
 
   size_t TotalNumberOfRuns = 0;
+  size_t TotalNumberOfExecutedTraceBasedMutations = 0;
 
   std::vector<Unit> Corpus;
   std::unordered_set<std::string> UnitHashesAddedToCorpus;
@@ -162,3 +186,5 @@ class SimpleUserSuppliedFuzzer: public UserSuppliedFuzzer {
 };
 
 };  // namespace fuzzer
+
+#endif // LLVM_FUZZER_INTERNAL_H