commit 3afb26688656fbdc37d43fc938d89fe936bb579c
author Peter Collingbourne <peter@pcc.me.uk> Thu Apr 28 17:09:37 2016 +0000
committer Peter Collingbourne <peter@pcc.me.uk> Thu Apr 28 17:09:37 2016 +0000
tree e5b515efb2ff87896a2df297607e79d39dea08e6
parent f730de619f90706e4bb9dccbc109559ba7585207

Re-apply r267784, r267824 and r267830.

I have updated the compiler-rt tests.

llvm-svn: 267903

clang/lib/Driver/Tools.cpp

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index 74ac807..f0199aa 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -4429,32 +4429,6 @@
     CmdArgs.push_back("-ffunction-sections");
   }
 
-  if (Args.hasFlag(options::OPT_fwhole_program_vtables,
-                   options::OPT_fno_whole_program_vtables, false)) {
-    if (!D.isUsingLTO())
-      D.Diag(diag::err_drv_argument_only_allowed_with)
-          << "-fwhole-program-vtables"
-          << "-flto";
-    CmdArgs.push_back("-fwhole-program-vtables");
-
-    clang::SmallString<64> Path(D.ResourceDir);
-    llvm::sys::path::append(Path, "vtables_blacklist.txt");
-    if (llvm::sys::fs::exists(Path)) {
-      SmallString<64> BlacklistOpt("-fwhole-program-vtables-blacklist=");
-      BlacklistOpt += Path.str();
-      CmdArgs.push_back(Args.MakeArgString(BlacklistOpt));
-    }
-
-    for (const Arg *A :
-         Args.filtered(options::OPT_fwhole_program_vtables_blacklist_EQ)) {
-      A->claim();
-      if (!llvm::sys::fs::exists(A->getValue()))
-        D.Diag(clang::diag::err_drv_no_such_file) << A->getValue();
-    }
-
-    Args.AddAllArgs(CmdArgs, options::OPT_fwhole_program_vtables_blacklist_EQ);
-  }
-
   if (Args.hasFlag(options::OPT_fdata_sections, options::OPT_fno_data_sections,
                    UseSeparateSections)) {
     CmdArgs.push_back("-fdata-sections");
@@ -5785,6 +5759,17 @@
       CmdArgs.push_back(I->getFilename());
     }
 
+  bool WholeProgramVTables =
+      Args.hasFlag(options::OPT_fwhole_program_vtables,
+                   options::OPT_fno_whole_program_vtables, false);
+  if (WholeProgramVTables) {
+    if (!D.isUsingLTO())
+      D.Diag(diag::err_drv_argument_only_allowed_with)
+          << "-fwhole-program-vtables"
+          << "-flto";
+    CmdArgs.push_back("-fwhole-program-vtables");
+  }
+
   // Finally add the compile command to the compilation.
   if (Args.hasArg(options::OPT__SLASH_fallback) &&
       Output.getType() == types::TY_Object &&
@@ -6048,11 +6033,13 @@
     if (Args.hasArg(options::OPT__SLASH_LDd))
       CmdArgs.push_back("-D_DEBUG");
     CmdArgs.push_back("-D_MT");
+    CmdArgs.push_back("-flto-visibility-public-std");
     FlagForCRT = "--dependent-lib=libcmt";
     break;
   case options::OPT__SLASH_MTd:
     CmdArgs.push_back("-D_DEBUG");
     CmdArgs.push_back("-D_MT");
+    CmdArgs.push_back("-flto-visibility-public-std");
     FlagForCRT = "--dependent-lib=libcmtd";
     break;
   default: