2 files changed, 31 insertions, 5 deletions
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 5dce1ad9e2..62b1febd52 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -2332,8 +2332,15 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
     if (Output.isFilename()) {
       CmdArgs.push_back("-coverage-file");
       SmallString<128> CoverageFilename(Output.getFilename());
-      if (!C.getArgs().hasArg(options::OPT_no_canonical_prefixes))
-        llvm::sys::fs::make_absolute(CoverageFilename);
+      if (llvm::sys::path::is_relative(CoverageFilename.str())) {
+        if (const char *pwd = ::getenv("PWD")) {
+          if (llvm::sys::path::is_absolute(pwd)) {
+            SmallString<128> Pwd(pwd);
+            llvm::sys::path::append(Pwd, CoverageFilename.str());
+            CoverageFilename.swap(Pwd);
+          }
+        }
+      }
       CmdArgs.push_back(Args.MakeArgString(CoverageFilename));
     }
   }
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index d856c31a05..3c5954a696 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -380,12 +380,31 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
   Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier);
   Opts.SanitizeRecover = !Args.hasArg(OPT_fno_sanitize_recover);
 
-  Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions);
-  Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);
   Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data);
   Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes);
-  Opts.EmitOpenCLArgMetadata = Args.hasArg(OPT_cl_kernel_arg_info);
+  if (Opts.EmitGcovArcs || Opts.EmitGcovNotes) {
   Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file);
+    Opts.CoverageExtraChecksum = Args.hasArg(OPT_coverage_cfg_checksum);
+    Opts.CoverageFunctionNamesInData =
+        Args.hasArg(OPT_coverage_function_names_in_data);
+    if (Args.hasArg(OPT_coverage_version_EQ)) {
+      StringRef CoverageVersion = Args.getLastArgValue(OPT_coverage_version_EQ);
+      if (CoverageVersion.size() != 4) {
+        Diags.Report(diag::err_drv_invalid_value)
+            << Args.getLastArg(OPT_coverage_version_EQ)->getAsString(Args)
+            << CoverageVersion;
+      } else {
+        Opts.CoverageVersion[0] = CoverageVersion[3];
+        Opts.CoverageVersion[1] = CoverageVersion[2];
+        Opts.CoverageVersion[2] = CoverageVersion[1];
+        Opts.CoverageVersion[3] = CoverageVersion[0];
+      }
+    }
+  }
+
+  Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions);
+  Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);
+  Opts.EmitOpenCLArgMetadata = Args.hasArg(OPT_cl_kernel_arg_info);
   Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
   Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file);
   Opts.SanitizerBlacklistFile = Args.getLastArgValue(OPT_fsanitize_blacklist);