[llvm-exegesis] Analysis: Show value extents.

Summary: Screenshot attached in phabricator.

Reviewers: gchatelet

Subscribers: tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D47318

llvm-svn: 333181

1 files changed, 10 insertions, 0 deletions

diff --git a/llvm/unittests/tools/llvm-exegesis/BenchmarkResultTest.cpp b/llvm/unittests/tools/llvm-exegesis/BenchmarkResultTest.cpp
index 9e00510c7c0..33b139c88a2 100644
--- a/llvm/unittests/tools/llvm-exegesis/BenchmarkResultTest.cpp
+++ b/llvm/unittests/tools/llvm-exegesis/BenchmarkResultTest.cpp
@@ -77,5 +77,15 @@ TEST(BenchmarkResultTest, WriteToAndReadFromDisk) {
   }
 }
 
+TEST(BenchmarkResultTest, BenchmarkMeasureStats) {
+  BenchmarkMeasureStats Stats;
+  Stats.push(BenchmarkMeasure{"a", 0.5, "debug a"});
+  Stats.push(BenchmarkMeasure{"a", 1.5, "debug a"});
+  Stats.push(BenchmarkMeasure{"a", -1.0, "debug a"});
+  Stats.push(BenchmarkMeasure{"a", 0.0, "debug a"});
+  EXPECT_EQ(Stats.min(), -1.0);
+  EXPECT_EQ(Stats.max(), 1.5);
+  EXPECT_EQ(Stats.avg(), 0.25); // (0.5+1.5-1.0+0.0) / 4
+}
 } // namespace
 } // namespace exegesis