r204939 - InstrProf: Pull in runtime on non-Darwin

[Duncan P. N. Exon Smith]

Author: dexonsmith
Date: Thu Mar 27 11:20:02 2014
New Revision: 204939

URL: http://llvm.org/viewvc/llvm-project?rev=204939&view=rev
Log:
InstrProf: Pull in runtime on non-Darwin

r204379 changed the way the profile runtime gets pulled in, but missed
updating non-Darwin targets.

Modified:
    cfe/trunk/lib/Driver/Tools.cpp

Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=204939&r1=204938&r2=204939&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Thu Mar 27 11:20:02 2014
@@ -1807,6 +1807,13 @@ static void addProfileRT(
         Args.hasArg(options::OPT_coverage)))
     return;
 
+  // Pull in runtime for -fprofile-inst-generate.  This is required since there
+  // are no calls to the runtime in the code.
+  if (Args.hasArg(options::OPT_fprofile_instr_generate)) {
+    CmdArgs.push_back("-u");
+    CmdArgs.push_back("___llvm_profile_runtime");
+  }
+
   SmallString<128> LibProfile = getCompilerRTLibDir(TC);
   llvm::sys::path::append(LibProfile,
       Twine("libclang_rt.profile-") + getArchNameForCompilerRTLib(TC) + ".a");