[llvm] e5c1a90 - [llvm-dwarfdump] Avoid possible div-by-zero in debug output

[Dmitry Vassiliev via llvm-commits]

Author: Dmitry Vassiliev
Date: 2022-03-09T18:03:26+04:00
New Revision: e5c1a908b36eadb59c2ec7dd1cc784e1e1fa74f8

URL: https://github.com/llvm/llvm-project/commit/e5c1a908b36eadb59c2ec7dd1cc784e1e1fa74f8
DIFF: https://github.com/llvm/llvm-project/commit/e5c1a908b36eadb59c2ec7dd1cc784e1e1fa74f8.diff

LOG: [llvm-dwarfdump] Avoid possible div-by-zero in debug output

Added: 
    

Modified: 
    llvm/tools/llvm-dwarfdump/Statistics.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/tools/llvm-dwarfdump/Statistics.cpp b/llvm/tools/llvm-dwarfdump/Statistics.cpp
index 90df6a82ee374..ed92665e04839 100644
--- a/llvm/tools/llvm-dwarfdump/Statistics.cpp
+++ b/llvm/tools/llvm-dwarfdump/Statistics.cpp
@@ -1044,14 +1044,19 @@ bool dwarfdump::collectStatsForObjectFile(ObjectFile &Obj, DWARFContext &DICtx,
                      LocStats.LocalVarNonEntryValLocStats);
   J.objectEnd();
   OS << '\n';
-  LLVM_DEBUG(llvm::dbgs() << "Total Availability: "
-                          << (int)std::round((VarParamWithLoc.Value * 100.0) /
+  LLVM_DEBUG(
+      llvm::dbgs() << "Total Availability: "
+                   << (VarParamTotal.Value
+                           ? (int)std::round((VarParamWithLoc.Value * 100.0) /
                                              VarParamTotal.Value)
-                          << "%\n";
-             llvm::dbgs() << "PC Ranges covered: "
-                          << (int)std::round(
+                           : 0)
+                   << "%\n";
+      llvm::dbgs() << "PC Ranges covered: "
+                   << (GlobalStats.ScopeBytes.Value
+                           ? (int)std::round(
                                  (GlobalStats.ScopeBytesCovered.Value * 100.0) /
                                  GlobalStats.ScopeBytes.Value)
-                          << "%\n");
+                           : 0)
+                   << "%\n");
   return true;
 }