[llvm-exegesis] Get rid of debug_string.

Summary:
THis is a backwards-compatible change (existing files will work as
expected).

See PR39082.

Reviewers: gchatelet

Subscribers: tschuett, llvm-commits

Differential Revision: https://reviews.llvm.org/D52546

llvm-svn: 343108
diff --git a/llvm/unittests/tools/llvm-exegesis/ClusteringTest.cpp b/llvm/unittests/tools/llvm-exegesis/ClusteringTest.cpp
index 5d583a0..e1bffd6 100644
--- a/llvm/unittests/tools/llvm-exegesis/ClusteringTest.cpp
+++ b/llvm/unittests/tools/llvm-exegesis/ClusteringTest.cpp
@@ -27,17 +27,17 @@
 
   // Cluster around (x=0, y=1, z=2): points {0, 3}.
   Points[0].Measurements = {
-      {"x", 0.01, 0.0, ""}, {"y", 1.02, 0.0, ""}, {"z", 1.98, 0.0, "A"}};
+      {"x", 0.01, 0.0}, {"y", 1.02, 0.0}, {"z", 1.98, 0.0}};
   Points[3].Measurements = {
-      {"x", -0.01, 0.0, ""}, {"y", 1.02, 0.0, ""}, {"z", 1.98, 0.0, ""}};
+      {"x", -0.01, 0.0}, {"y", 1.02, 0.0}, {"z", 1.98, 0.0}};
   // Cluster around (x=1, y=1, z=2): points {1, 4}.
   Points[1].Measurements = {
-      {"x", 1.01, 0.0, ""}, {"y", 1.02, 0.0, ""}, {"z", 1.98, 0.0, ""}};
+      {"x", 1.01, 0.0}, {"y", 1.02, 0.0}, {"z", 1.98, 0.0}};
   Points[4].Measurements = {
-      {"x", 0.99, 0.0, ""}, {"y", 1.02, 0.0, ""}, {"z", 1.98, 0.0, ""}};
+      {"x", 0.99, 0.0}, {"y", 1.02, 0.0}, {"z", 1.98, 0.0}};
   // Cluster around (x=0, y=0, z=0): points {5}, marked as noise.
   Points[5].Measurements = {
-      {"x", 0.0, 0.0, ""}, {"y", 0.01, 0.0, ""}, {"z", -0.02, 0.0, ""}};
+      {"x", 0.0, 0.0}, {"y", 0.01, 0.0}, {"z", -0.02, 0.0}};
   // Error cluster: points {2}
   Points[2].Error = "oops";
 
@@ -70,8 +70,8 @@
 TEST(ClusteringTest, Clusters3D_InvalidSize) {
   std::vector<InstructionBenchmark> Points(6);
   Points[0].Measurements = {
-      {"x", 0.01, 0.0, ""}, {"y", 1.02, 0.0, ""}, {"z", 1.98, 0.0, ""}};
-  Points[1].Measurements = {{"y", 1.02, 0.0, ""}, {"z", 1.98, 0.0, ""}};
+      {"x", 0.01, 0.0}, {"y", 1.02, 0.0}, {"z", 1.98, 0.0}};
+  Points[1].Measurements = {{"y", 1.02, 0.0}, {"z", 1.98, 0.0}};
   auto Error =
       InstructionBenchmarkClustering::create(Points, 2, 0.25).takeError();
   ASSERT_TRUE((bool)Error);
@@ -80,8 +80,8 @@
 
 TEST(ClusteringTest, Clusters3D_InvalidOrder) {
   std::vector<InstructionBenchmark> Points(6);
-  Points[0].Measurements = {{"x", 0.01, 0.0, ""}, {"y", 1.02, 0.0, ""}};
-  Points[1].Measurements = {{"y", 1.02, 0.0, ""}, {"x", 1.98, 0.0, ""}};
+  Points[0].Measurements = {{"x", 0.01, 0.0}, {"y", 1.02, 0.0}};
+  Points[1].Measurements = {{"y", 1.02, 0.0}, {"x", 1.98, 0.0}};
   auto Error =
       InstructionBenchmarkClustering::create(Points, 2, 0.25).takeError();
   ASSERT_TRUE((bool)Error);
diff --git a/llvm/unittests/tools/llvm-exegesis/X86/BenchmarkResultTest.cpp b/llvm/unittests/tools/llvm-exegesis/X86/BenchmarkResultTest.cpp
index 67e8d2c..b17ae1c 100644
--- a/llvm/unittests/tools/llvm-exegesis/X86/BenchmarkResultTest.cpp
+++ b/llvm/unittests/tools/llvm-exegesis/X86/BenchmarkResultTest.cpp
@@ -76,8 +76,8 @@
   ToDisk.CpuName = "cpu_name";
   ToDisk.LLVMTriple = "llvm_triple";
   ToDisk.NumRepetitions = 1;
-  ToDisk.Measurements.push_back(BenchmarkMeasure{"a", 1, 1, "debug a"});
-  ToDisk.Measurements.push_back(BenchmarkMeasure{"b", 2, 2, ""});
+  ToDisk.Measurements.push_back(BenchmarkMeasure{"a", 1, 1});
+  ToDisk.Measurements.push_back(BenchmarkMeasure{"b", 2, 2});
   ToDisk.Error = "error";
   ToDisk.Info = "info";
 
@@ -126,10 +126,10 @@
 
 TEST(BenchmarkResultTest, PerInstructionStats) {
   PerInstructionStats Stats;
-  Stats.push(BenchmarkMeasure{"a", 0.5, 0.0, "debug a"});
-  Stats.push(BenchmarkMeasure{"a", 1.5, 0.0, "debug a"});
-  Stats.push(BenchmarkMeasure{"a", -1.0, 0.0, "debug a"});
-  Stats.push(BenchmarkMeasure{"a", 0.0, 0.0, "debug a"});
+  Stats.push(BenchmarkMeasure{"a", 0.5, 0.0});
+  Stats.push(BenchmarkMeasure{"a", 1.5, 0.0});
+  Stats.push(BenchmarkMeasure{"a", -1.0, 0.0});
+  Stats.push(BenchmarkMeasure{"a", 0.0, 0.0});
   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