[DebugInfo][NFC] Do not call 'isRootFile' for DWARF Version < 5

A quicker comparison should be done first. Differential Revision: https://reviews.llvm.org/D117786
llvm · Jan 21, 2022 · 86b08ed · 86b08ed
1 parent 75184f1
commit 86b08ed
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/llvm/lib/MC/MCDwarf.cpp b/llvm/lib/MC/MCDwarf.cpp
@@ -586,7 +586,7 @@ MCDwarfLineTableHeader::tryGetFile(StringRef &Directory,
     trackMD5Usage(Checksum.hasValue());
     HasSource = (Source != None);
   }
-  if (isRootFile(RootFile, Directory, FileName, Checksum) && DwarfVersion >= 5)
+  if (DwarfVersion >= 5 && isRootFile(RootFile, Directory, FileName, Checksum))
     return 0;
   if (FileNumber == 0) {
     // File numbers start with 1 and/or after any file numbers