llvm-cov: Introduce `-show-created-time` to suppress timestamps (#120417)

This shouldn't affect anything since `-show-created-time=true` by
default.

Timestamps sometimes prevent reproducible build.

1 files changed, 13 insertions, 6 deletions

diff --git a/llvm/tools/llvm-cov/CodeCoverage.cpp b/llvm/tools/llvm-cov/CodeCoverage.cpp
index d06fd86..5db5c2e 100644
--- a/llvm/tools/llvm-cov/CodeCoverage.cpp
+++ b/llvm/tools/llvm-cov/CodeCoverage.cpp
@@ -1013,6 +1013,10 @@ int CodeCoverageTool::doShow(int argc, const char **argv,
                                       cl::desc("Show directory coverage"),
                                       cl::cat(ViewCategory));
 
+  cl::opt<bool> ShowCreatedTime("show-created-time", cl::Optional,
+                                cl::desc("Show created time for each page."),
+                                cl::init(true), cl::cat(ViewCategory));
+
   cl::opt<std::string> ShowOutputDirectory(
       "output-dir", cl::init(""),
       cl::desc("Directory in which coverage information is written out"));
@@ -1112,12 +1116,15 @@ int CodeCoverageTool::doShow(int argc, const char **argv,
     return 1;
   }
 
-  auto ModifiedTime = Status.getLastModificationTime();
-  std::string ModifiedTimeStr = to_string(ModifiedTime);
-  size_t found = ModifiedTimeStr.rfind(':');
-  ViewOpts.CreatedTimeStr = (found != std::string::npos)
-                                ? "Created: " + ModifiedTimeStr.substr(0, found)
-                                : "Created: " + ModifiedTimeStr;
+  if (ShowCreatedTime) {
+    auto ModifiedTime = Status.getLastModificationTime();
+    std::string ModifiedTimeStr = to_string(ModifiedTime);
+    size_t found = ModifiedTimeStr.rfind(':');
+    ViewOpts.CreatedTimeStr =
+        (found != std::string::npos)
+            ? "Created: " + ModifiedTimeStr.substr(0, found)
+            : "Created: " + ModifiedTimeStr;
+  }
 
   auto Coverage = load();
   if (!Coverage)