Wire up the -ftest-coverage and -fprofile-arcs flags to .gcno file emission (at

compile time) and .gcda emission (at runtime). --coverage enables both.

This does not yet add the profile_rt library to the link step if -fprofile-arcs
is enabled when linking.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@129956 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 9 insertions, 0 deletions

diff --git a/include/clang/Driver/CC1Options.td b/include/clang/Driver/CC1Options.td
index 3457a20d01..0c2a077a93 100644
--- a/include/clang/Driver/CC1Options.td
+++ b/include/clang/Driver/CC1Options.td
@@ -135,6 +135,10 @@ def fdata_sections : Flag<"-fdata-sections">,
   HelpText<"Place each data in its own section (ELF Only)">;
 def funroll_loops : Flag<"-funroll-loops">,
   HelpText<"Turn on loop unroller">;
+def femit_coverage_notes : Flag<"-femit-coverage-notes">,
+  HelpText<"Emit a gcov coverage notes file when compiling.">;
+def femit_coverage_data: Flag<"-femit-coverage-data">,
+  HelpText<"Instrument the program to emit gcov coverage data when run.">;
 def relaxed_aliasing : Flag<"-relaxed-aliasing">,
   HelpText<"Turn off Type Based Alias Analysis">;
 def masm_verbose : Flag<"-masm-verbose">,
diff --git a/include/clang/Driver/Options.td b/include/clang/Driver/Options.td
index ed891c067a..542728f2f1 100644
--- a/include/clang/Driver/Options.td
+++ b/include/clang/Driver/Options.td
@@ -423,6 +423,7 @@ def ftabstop_EQ : Joined<"-ftabstop=">, Group<f_Group>;
 def ftemplate_depth_ : Joined<"-ftemplate-depth-">, Group<f_Group>;
 def ftemplate_backtrace_limit_EQ : Joined<"-ftemplate-backtrace-limit=">,
                                    Group<f_Group>;
+def ftest_coverage : Flag<"-ftest-coverage">, Group<f_Group>;
 def Wlarge_by_value_copy_def : Flag<"-Wlarge-by-value-copy">;
 def Wlarge_by_value_copy_EQ : Joined<"-Wlarge-by-value-copy=">;
 
diff --git a/include/clang/Frontend/CodeGenOptions.h b/include/clang/Frontend/CodeGenOptions.h
index 60a6398262..cede010199 100644
--- a/include/clang/Frontend/CodeGenOptions.h
+++ b/include/clang/Frontend/CodeGenOptions.h
@@ -52,6 +52,8 @@ public:
                                   /// Decl* various IR entities came from.  Only
                                   /// useful when running CodeGen as a
                                   /// subroutine.
+  unsigned EmitGcovArcs      : 1; /// Emit coverage data files, aka. GCDA.
+  unsigned EmitGcovNotes     : 1; /// Emit coverage "notes" files, aka GCNO.
   unsigned ForbidGuardVariables : 1; /// Issue errors if C++ guard variables
                                   /// are required
   unsigned FunctionSections  : 1; /// Set when -ffunction-sections is enabled
@@ -135,6 +137,8 @@ public:
     DisableLLVMOpts = 0;
     DisableRedZone = 0;
     EmitDeclMetadata = 0;
+    EmitGcovArcs = 0;
+    EmitGcovNotes = 0;
     ForbidGuardVariables = 0;
     FunctionSections = 0;
     HiddenWeakTemplateVTables = 0;