Code coverage with llvm-cov

testing/coverage_util_ios.cc

Index: testing/coverage_util_ios.cc
diff --git a/testing/coverage_util_ios.cc b/testing/coverage_util_ios.cc
index d888a208ce150be8e422e12025ce7e18d6cbe15f..f0c521efcee76ca1f1bcaaf8322dce5eeb5145bc 100644
--- a/testing/coverage_util_ios.cc
+++ b/testing/coverage_util_ios.cc
@@ -2,14 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-extern "C" void __gcov_flush(void);
+extern "C" void __llvm_profile_set_filename(const char* name);
 
 namespace coverage_util {
 
-void FlushCoverageDataIfNecessary() {
-#if !defined(NDEBUG) && defined(ENABLE_TEST_CODE_COVERAGE)
-  __gcov_flush();
-#endif
+void SetupCodeCoverageIfNecessary(const char* name) {
+//#if !defined(NDEBUG) && defined(ENABLE_TEST_CODE_COVERAGE)
+  // For documentation, see:
+  // http://clang.llvm.org/docs/SourceBasedCodeCoverage.html
+  __llvm_profile_set_filename(name);
+//#endif
 }
 
 }  // namespace coverage_util