[PATCH] D83152: llvm-nm: add flag to suppress no symbols warning

[Keith Smiley via Phabricator via llvm-commits]

keith updated this revision to Diff 326942.
keith edited the summary of this revision.
keith added a comment.

Add flag to test


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D83152/new/

https://reviews.llvm.org/D83152

Files:
  llvm/test/tools/llvm-nm/X86/nm-no-symbols.test
  llvm/tools/llvm-nm/llvm-nm.cpp


Index: llvm/tools/llvm-nm/llvm-nm.cpp
===================================================================
--- llvm/tools/llvm-nm/llvm-nm.cpp
+++ llvm/tools/llvm-nm/llvm-nm.cpp
@@ -155,6 +155,9 @@
                      cl::aliasopt(PrintSize), cl::Grouping);
 bool MachOPrintSizeWarning = false;
 
+cl::opt<bool> Quiet("quiet", cl::desc("Suppress 'no symbols' diagnostic"),
+                    cl::cat(NMCat));
+
 cl::opt<bool> SizeSort("size-sort", cl::desc("Sort symbols by size"),
                        cl::cat(NMCat));
 
@@ -1861,7 +1864,7 @@
 
   CurrentFilename = Obj.getFileName();
 
-  if (Symbols.empty() && SymbolList.empty()) {
+  if (Symbols.empty() && SymbolList.empty() && !Quiet) {
     writeFileName(errs(), ArchiveName, ArchitectureName);
     errs() << "no symbols\n";
   }
Index: llvm/test/tools/llvm-nm/X86/nm-no-symbols.test
===================================================================
--- llvm/test/tools/llvm-nm/X86/nm-no-symbols.test
+++ llvm/test/tools/llvm-nm/X86/nm-no-symbols.test
@@ -9,3 +9,6 @@
   Machine:         EM_X86_64
 
 # CHECK: [[FILE]]: no symbols{{$}}
+
+# RUN: llvm-nm --quiet %t.o 2>&1 | FileCheck %s -DFILE=%t.o --check-prefix=NO-WARNING --allow-empty
+# NO-WARNING-NOT: {{.}}


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