Add hidden flag to exclude aliases from output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164158 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Other/llvm-nm-without-aliases.ll b/test/Other/llvm-nm-without-aliases.ll
new file mode 100644 (file)
index 0000000..9d9408c
--- /dev/null
+++ b/test/Other/llvm-nm-without-aliases.ll
@@ -0,0 +1,25 @@
+; RUN: llvm-as < %s > %t
+; RUN: llvm-nm -without-aliases < %t | FileCheck %s
+; RUN: llvm-nm < %t | FileCheck --check-prefix=WITH %s
+
+; CHECK-NOT: T a0bar
+; CHECK-NOT: T a0foo
+; CHECK: T bar
+; CHECK: T foo
+
+; WITH: T a0bar
+; WITH: T a0foo
+; WITH: T bar
+; WITH: T foo
+
+@a0foo = alias void ()* @foo
+
+define void @foo() {
+  ret void
+}
+
+@a0bar = alias void ()* @bar
+
+define void @bar() {
+  ret void
+}

diff --git a/tools/llvm-nm/llvm-nm.cpp b/tools/llvm-nm/llvm-nm.cpp
index eb52acc85dbe1e28a6674d059a2c18c24b5c1acc..0543e83f9cb440995ff1370add58d5383d31fe52 100644 (file)
--- a/tools/llvm-nm/llvm-nm.cpp
+++ b/tools/llvm-nm/llvm-nm.cpp
@@ -110,6 +110,9 @@ namespace {
 
   cl::opt<bool> SizeSort("size-sort", cl::desc("Sort symbols by size"));
 
+  cl::opt<bool> WithoutAliases("without-aliases", cl::Hidden,
+                               cl::desc("Exclude aliases from output"));
+
   bool PrintAddress = true;
 
   bool MultipleFiles = false;
@@ -275,8 +278,9 @@ static void DumpSymbolNamesFromModule(Module *M) {
   std::for_each (M->begin(), M->end(), DumpSymbolNameForGlobalValue);
   std::for_each (M->global_begin(), M->global_end(),
                  DumpSymbolNameForGlobalValue);
-  std::for_each (M->alias_begin(), M->alias_end(),
-                 DumpSymbolNameForGlobalValue);
+  if (!WithoutAliases)
+    std::for_each (M->alias_begin(), M->alias_end(),
+                  DumpSymbolNameForGlobalValue);
 
   SortAndPrintSymbolList();
 }