Enable standalone-debug by default on FreeBSD

It was set by default on Darwin in r198655.  The same usability issues
with DTrace and LLDB apply to FreeBSD, so set it by default there too.

rdar://problem/15758808
http://llvm.org/pr19676

Differential Revision: http://reviews.llvm.org/D3448

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208310 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index a6b1b458e79546ce926807c562605c5b90c07bbf..076572e7505bb108e2b089136da624e926f0b347 100644 (file)
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -337,9 +337,10 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
   } else if (Args.hasArg(OPT_g_Flag) || Args.hasArg(OPT_gdwarf_2) ||
              Args.hasArg(OPT_gdwarf_3) || Args.hasArg(OPT_gdwarf_4)) {
     bool Default = false;
-    // Until dtrace (via CTF) can deal with distributed debug info,
-    // Darwin defaults to standalone/full debug info.
-    if (llvm::Triple(TargetOpts.Triple).isOSDarwin())
+    // Until dtrace (via CTF) and LLDB can deal with distributed debug info,
+    // Darwin and FreeBSD default to standalone/full debug info.
+    if (llvm::Triple(TargetOpts.Triple).isOSDarwin() ||
+        llvm::Triple(TargetOpts.Triple).isOSFreeBSD())
       Default = true;
 
     if (Args.hasFlag(OPT_fstandalone_debug, OPT_fno_standalone_debug, Default))

diff --git a/test/CodeGenCXX/debug-info-vtable-optzn.cpp b/test/CodeGenCXX/debug-info-vtable-optzn.cpp
index 8a6d4ff3e0f701d6e085e317edf9444fc3b17e6b..c693f794b26f1c62e00ecccd84492803257c72d4 100644 (file)
--- a/test/CodeGenCXX/debug-info-vtable-optzn.cpp
+++ b/test/CodeGenCXX/debug-info-vtable-optzn.cpp
@@ -1,8 +1,9 @@
 // RUN: %clang_cc1 -emit-llvm -g -triple x86_64-apple-darwin %s -o - | FileCheck %s
+// RUN: %clang_cc1 -emit-llvm -g -triple amd64-unknown-freebsd %s -o - | FileCheck %s
 //
 // This tests that the "emit debug info for a C++ class only in the
 // module that has its vtable" optimization is disabled by default on
-// Darwin.
+// Darwin and FreeBSD.
 //
 // CHECK: [ DW_TAG_member ] [lost]
 class A