commit c4b94da00eea0122b0ef2e2b5942a584d9c24786
author Diego Novillo <dnovillo@google.com> Wed Aug 05 23:27:40 2015 +0000
committer Diego Novillo <dnovillo@google.com> Wed Aug 05 23:27:40 2015 +0000
tree eb584eef733cb3f69537931c149b7fb7985d9878
parent afff74e2286cb81be4d78ea9704b96779c302dc7

Add -fno-coverage-mapping flag.

This new flag allows the user to disable a previous instance of
-fcoverage-mapping, if needed.

llvm-svn: 244170

clang/lib/Driver/Tools.cpp

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index fcdd6d3..f23765b 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -2905,12 +2905,15 @@
       Args.hasArg(options::OPT_coverage))
     CmdArgs.push_back("-femit-coverage-data");
 
-  if (Args.hasArg(options::OPT_fcoverage_mapping) && !ProfileGenerateArg)
+  if (Args.hasFlag(options::OPT_fcoverage_mapping,
+                   options::OPT_fno_coverage_mapping, false) &&
+      !ProfileGenerateArg)
     D.Diag(diag::err_drv_argument_only_allowed_with)
         << "-fcoverage-mapping"
         << "-fprofile-instr-generate";
 
-  if (Args.hasArg(options::OPT_fcoverage_mapping))
+  if (Args.hasFlag(options::OPT_fcoverage_mapping,
+                   options::OPT_fno_coverage_mapping, false))
     CmdArgs.push_back("-fcoverage-mapping");
 
   if (C.getArgs().hasArg(options::OPT_c) ||