summaryrefslogtreecommitdiff
path: root/absl/random/internal/nanobenchmark.cc
diff options
context:
space:
mode:
Diffstat (limited to 'absl/random/internal/nanobenchmark.cc')
-rw-r--r--absl/random/internal/nanobenchmark.cc22
1 files changed, 20 insertions, 2 deletions
diff --git a/absl/random/internal/nanobenchmark.cc b/absl/random/internal/nanobenchmark.cc
index 5a8b1ed1..7f37800c 100644
--- a/absl/random/internal/nanobenchmark.cc
+++ b/absl/random/internal/nanobenchmark.cc
@@ -59,6 +59,24 @@
#include <time.h> // NOLINT
#endif
+// ABSL_HAVE_ATTRIBUTE
+#if !defined(ABSL_HAVE_ATTRIBUTE)
+#ifdef __has_attribute
+#define ABSL_HAVE_ATTRIBUTE(x) __has_attribute(x)
+#else
+#define ABSL_HAVE_ATTRIBUTE(x) 0
+#endif
+#endif
+
+// ABSL_RANDOM_INTERNAL_ATTRIBUTE_NEVER_INLINE prevents inlining of the method.
+#if ABSL_HAVE_ATTRIBUTE(noinline) || (defined(__GNUC__) && !defined(__clang__))
+#define ABSL_RANDOM_INTERNAL_ATTRIBUTE_NEVER_INLINE __attribute__((noinline))
+#elif defined(_MSC_VER)
+#define ABSL_RANDOM_INTERNAL_ATTRIBUTE_NEVER_INLINE __declspec(noinline)
+#else
+#define ABSL_RANDOM_INTERNAL_ATTRIBUTE_NEVER_INLINE
+#endif
+
namespace absl {
namespace random_internal_nanobenchmark {
namespace {
@@ -658,8 +676,8 @@ Ticks TotalDuration(const Func func, const void* arg, const InputVec* inputs,
}
// (Nearly) empty Func for measuring timer overhead/resolution.
-ABSL_ATTRIBUTE_NEVER_INLINE FuncOutput EmptyFunc(const void* arg,
- const FuncInput input) {
+ABSL_RANDOM_INTERNAL_ATTRIBUTE_NEVER_INLINE FuncOutput
+EmptyFunc(const void* arg, const FuncInput input) {
return input;
}