Revert r337175 (https://reviews.llvm.org/D49212) due to unintentional format changes.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer@337180 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/FuzzerTracePC.cpp b/FuzzerTracePC.cpp
index e12e6c5..4e0ff14 100644
--- a/FuzzerTracePC.cpp
+++ b/FuzzerTracePC.cpp
@@ -59,37 +59,6 @@
   return Res;
 }
 
-// Initializes unstable counters by copying Inline8bitCounters to unstable
-// counters.
-void TracePC::InitializeUnstableCounters() {
-  if (NumInline8bitCounters && NumInline8bitCounters == NumPCsInPCTables) {
-    size_t UnstableIdx = 0;
-    for (size_t i = 0; i < NumModulesWithInline8bitCounters; i++) {
-      uint8_t *Beg = ModuleCounters[i].Start;
-      size_t Size = ModuleCounters[i].Stop - Beg;
-      assert(Size == (size_t)(ModulePCTable[i].Stop - ModulePCTable[i].Start));
-      for (size_t j = 0; j < Size; j++, UnstableIdx++)
-        if (UnstableCounters[UnstableIdx] != kUnstableCounter)
-          UnstableCounters[UnstableIdx] = Beg[j];
-    }
-  }
-}
-
-// Compares the current counters with counters from previous runs
-// and records differences as unstable edges.
-void TracePC::UpdateUnstableCounters() {
-  if (NumInline8bitCounters && NumInline8bitCounters == NumPCsInPCTables) {
-    size_t UnstableIdx = 0;
-    for (size_t i = 0; i < NumModulesWithInline8bitCounters; i++) {
-      uint8_t *Beg = ModuleCounters[i].Start;
-      size_t Size = ModuleCounters[i].Stop - Beg;
-      assert(Size == (size_t)(ModulePCTable[i].Stop - ModulePCTable[i].Start));
-      for (size_t j = 0; j < Size; j++, UnstableIdx++)
-        if (Beg[j] != UnstableCounters[UnstableIdx])
-          UnstableCounters[UnstableIdx] = kUnstableCounter;
-    }
-  }
-}
 
 void TracePC::HandleInline8bitCountersInit(uint8_t *Start, uint8_t *Stop) {
   if (Start == Stop) return;
@@ -341,15 +310,6 @@
   }
 }
 
-void TracePC::PrintUnstableStats() {
-  size_t count = 0;
-  for (size_t i = 0; i < NumInline8bitCounters; i++)
-    if (UnstableCounters[i] == kUnstableCounter)
-      count++;
-  Printf("stat::stability_rate: %.2f\n",
-         100 - static_cast<float>(count * 100) / NumInline8bitCounters);
-}
-
 // Value profile.
 // We keep track of various values that affect control flow.
 // These values are inserted into a bit-set-based hash map.
@@ -396,9 +356,9 @@
   uint64_t ArgDistance = __builtin_popcountll(ArgXor) + 1; // [1,65]
   uintptr_t Idx = ((PC & 4095) + 1) * ArgDistance;
   if (sizeof(T) == 4)
-    TORC4.Insert(ArgXor, Arg1, Arg2);
+      TORC4.Insert(ArgXor, Arg1, Arg2);
   else if (sizeof(T) == 8)
-    TORC8.Insert(ArgXor, Arg1, Arg2);
+      TORC8.Insert(ArgXor, Arg1, Arg2);
   // TODO: remove these flags and instead use all metrics at once.
   if (UseValueProfileMask & 1)
     ValueProfileMap.AddValue(Idx);
@@ -629,7 +589,7 @@
 
 ATTRIBUTE_INTERFACE ATTRIBUTE_NO_SANITIZE_MEMORY
 void __sanitizer_weak_hook_strcmp(void *caller_pc, const char *s1,
-                                  const char *s2, int result) {
+                                   const char *s2, int result) {
   if (fuzzer::ScopedDoingMyOwnMemOrStr::DoingMyOwnMemOrStr) return;
   if (result == 0) return;  // No reason to mutate.
   size_t N = fuzzer::InternalStrnlen2(s1, s2);