r330077 - [Driver] Export profiling symbols for -exported_symbols_list

[Vedant Kumar via cfe-commits]

Author: vedantk
Date: Fri Apr 13 16:43:59 2018
New Revision: 330077

URL: http://llvm.org/viewvc/llvm-project?rev=330077&view=rev
Log:
[Driver] Export profiling symbols for -exported_symbols_list

When profiling is enabled and -exported_symbols_list is specified for
the Darwin linker, export the requisite set of profiling symbols.

rdar://39427167

Modified:
    cfe/trunk/lib/Driver/ToolChains/Darwin.cpp
    cfe/trunk/test/Driver/darwin-ld.c

Modified: cfe/trunk/lib/Driver/ToolChains/Darwin.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Darwin.cpp?rev=330077&r1=330076&r2=330077&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Darwin.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Darwin.cpp Fri Apr 13 16:43:59 2018
@@ -988,6 +988,8 @@ StringRef Darwin::getOSLibraryNameSuffix
 /// Check if the link command contains a symbol export directive.
 static bool hasExportSymbolDirective(const ArgList &Args) {
   for (Arg *A : Args) {
+    if (A->getOption().matches(options::OPT_exported__symbols__list))
+      return true;
     if (!A->getOption().matches(options::OPT_Wl_COMMA) &&
         !A->getOption().matches(options::OPT_Xlinker))
       continue;

Modified: cfe/trunk/test/Driver/darwin-ld.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/darwin-ld.c?rev=330077&r1=330076&r2=330077&view=diff
==============================================================================
--- cfe/trunk/test/Driver/darwin-ld.c (original)
+++ cfe/trunk/test/Driver/darwin-ld.c Fri Apr 13 16:43:59 2018
@@ -356,6 +356,8 @@
 // RUN: FileCheck -check-prefix=LINK_PROFILE_FIRST %s < %t.log
 // LINK_PROFILE_FIRST: {{ld(.exe)?"}} "{{[^"]+}}libclang_rt.profile_{{[a-z]+}}.a"
 
+// RUN: %clang -target x86_64-apple-darwin12 -fprofile-instr-generate -exported_symbols_list /dev/null -### %t.o 2> %t.log
+// RUN: FileCheck -check-prefix=PROFILE_EXPORT %s < %t.log
 // RUN: %clang -target x86_64-apple-darwin12 -fprofile-instr-generate -Wl,-exported_symbols_list,/dev/null -### %t.o 2> %t.log
 // RUN: FileCheck -check-prefix=PROFILE_EXPORT %s < %t.log
 // RUN: %clang -target x86_64-apple-darwin12 -fprofile-instr-generate -Wl,-exported_symbol,foo -### %t.o 2> %t.log