commit fb675a7c9fa67f83dffe98059f4a5801537aad07
author kcc <kcc> Sat Jan 26 01:33:09 2019 +0000
committer kcc <kcc> Sat Jan 26 01:33:09 2019 +0000
tree 7c495a37ae3b590130141f83cdfb91ae65c91760
parent 8c9667bdb569baa3420ebadeff2c52c7157867c4

[libFuzzer] print uncovered functions when doing -print_coverage=1

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer@352263 91177308-0d34-0410-b5e6-96231b3b80d8

FuzzerTracePC.cpp

diff --git a/FuzzerTracePC.cpp b/FuzzerTracePC.cpp
index 2c550a4..b6b11f0 100644
--- a/FuzzerTracePC.cpp
+++ b/FuzzerTracePC.cpp
@@ -245,8 +245,7 @@
       do {
         NextFE++;
       } while (NextFE < M.Stop && !(NextFE->PCFlags & 1));
-      if (ObservedFuncs.count(FE->PC))
-        CB(FE, NextFE, ObservedFuncs[FE->PC]);
+      CB(FE, NextFE, ObservedFuncs[FE->PC]);
     }
   }
 }
@@ -311,12 +310,13 @@
     for (auto TE = First; TE < Last; TE++)
       if (!ObservedPCs.count(TE->PC))
         UncoveredPCs.push_back(TE->PC);
-    Printf("COVERED_FUNC: hits: %zd", Counter);
+    Printf("%sCOVERED_FUNC: hits: %zd", Counter ? "" : "UN", Counter);
     Printf(" edges: %zd/%zd", NumEdges - UncoveredPCs.size(), NumEdges);
     Printf(" %s %s:%zd\n", FunctionStr.c_str(), FileStr.c_str(), Line);
-    for (auto PC: UncoveredPCs)
-      Printf("  UNCOVERED_PC: %s\n",
-             DescribePC("%s:%l", GetNextInstructionPc(PC)).c_str());
+    if (Counter)
+      for (auto PC : UncoveredPCs)
+        Printf("  UNCOVERED_PC: %s\n",
+               DescribePC("%s:%l", GetNextInstructionPc(PC)).c_str());
   };
 
   IterateCoveredFunctions(CoveredFunctionCallback);