Export of internal Abseil changes.

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9fa04b5fb4b6aeb47226b9095b3bc36a53669c39 by Abseil Team <absl-team@google.com>:

Release types/compare.h, which contains stand ins for three-way comparison result types from C++20. Use absl::weak_ordering for a three-way comparator in test-instance-tracker.h.

PiperOrigin-RevId: 247290078

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70a762f4eb35ea1d5a5fcb3274a8086824a0b82c by Derek Mauro <dmauro@google.com>:

Upgrade linux_clang-latest builds to LLVM r356814 and Bazel 0.25.0

PiperOrigin-RevId: 247250176

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f305cd5c36561e4dbb69eb87568553ae5badcb15 by CJ Johnson <johnsoncj@google.com>:

Remove argument deduction based on template template argument in InlinedVector/Storage

PiperOrigin-RevId: 247232334

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2cab8e426838baceb7d08edb313416480d26aa5b by Eric Fiselier <ericwf@google.com>:

Import of CCTZ from GitHub.

PiperOrigin-RevId: 247140132
GitOrigin-RevId: 9fa04b5fb4b6aeb47226b9095b3bc36a53669c39
Change-Id: I373a7d9bc90befa2a9f06555cb8703610c0313b9

1 files changed, 50 insertions, 0 deletions

diff --git a/absl/time/internal/cctz/src/cctz_benchmark.cc b/absl/time/internal/cctz/src/cctz_benchmark.cc
index 445366eae506..a40f504e063e 100644
--- a/absl/time/internal/cctz/src/cctz_benchmark.cc
+++ b/absl/time/internal/cctz/src/cctz_benchmark.cc
@@ -47,6 +47,56 @@ void BM_Step_Days(benchmark::State& state) {
 }
 BENCHMARK(BM_Step_Days);
 
+void BM_GetWeekday(benchmark::State& state) {
+  const cctz::civil_day c(2014, 8, 22);
+  while (state.KeepRunning()) {
+    benchmark::DoNotOptimize(cctz::get_weekday(c));
+  }
+}
+BENCHMARK(BM_GetWeekday);
+
+void BM_NextWeekday(benchmark::State& state) {
+  const cctz::civil_day kStart(2014, 8, 22);
+  const cctz::civil_day kDays[7] = {
+      kStart + 0, kStart + 1, kStart + 2, kStart + 3,
+      kStart + 4, kStart + 5, kStart + 6,
+  };
+  const cctz::weekday kWeekdays[7] = {
+      cctz::weekday::monday,   cctz::weekday::tuesday, cctz::weekday::wednesday,
+      cctz::weekday::thursday, cctz::weekday::friday,  cctz::weekday::saturday,
+      cctz::weekday::sunday,
+  };
+  while (state.KeepRunningBatch(7 * 7)) {
+    for (const auto from : kDays) {
+      for (const auto to : kWeekdays) {
+        benchmark::DoNotOptimize(cctz::next_weekday(from, to));
+      }
+    }
+  }
+}
+BENCHMARK(BM_NextWeekday);
+
+void BM_PrevWeekday(benchmark::State& state) {
+  const cctz::civil_day kStart(2014, 8, 22);
+  const cctz::civil_day kDays[7] = {
+      kStart + 0, kStart + 1, kStart + 2, kStart + 3,
+      kStart + 4, kStart + 5, kStart + 6,
+  };
+  const cctz::weekday kWeekdays[7] = {
+      cctz::weekday::monday,   cctz::weekday::tuesday, cctz::weekday::wednesday,
+      cctz::weekday::thursday, cctz::weekday::friday,  cctz::weekday::saturday,
+      cctz::weekday::sunday,
+  };
+  while (state.KeepRunningBatch(7 * 7)) {
+    for (const auto from : kDays) {
+      for (const auto to : kWeekdays) {
+        benchmark::DoNotOptimize(cctz::prev_weekday(from, to));
+      }
+    }
+  }
+}
+BENCHMARK(BM_PrevWeekday);
+
 const char RFC3339_full[] = "%Y-%m-%dT%H:%M:%E*S%Ez";
 const char RFC3339_sec[] = "%Y-%m-%dT%H:%M:%S%Ez";