Revert "[Driver] Add -fdiagnostics-hotness-threshold"

Summary:
The commit caused a documentation breakage.

llvm-svn: 306946

1 files changed, 6 insertions, 12 deletions

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 5851595dab7..b1b10ddf965 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -909,18 +909,12 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
   Opts.DiagnosticsWithHotness =
       Args.hasArg(options::OPT_fdiagnostics_show_hotness);
   bool UsingSampleProfile = !Opts.SampleProfileFile.empty();
-  bool UsingProfile = UsingSampleProfile ||
-      (Opts.getProfileUse() != CodeGenOptions::ProfileNone);
-
-  if (Opts.DiagnosticsWithHotness && !UsingProfile)
-    Diags.Report(diag::warn_drv_diagnostics_hotness_requires_pgo)
-        << "-fdiagnostics-show-hotness";
-
-  Opts.DiagnosticsHotnessThreshold = getLastArgUInt64Value(
-      Args, options::OPT_fdiagnostics_hotness_threshold_EQ, 0);
-  if (Opts.DiagnosticsHotnessThreshold > 0 && !UsingProfile)
-    Diags.Report(diag::warn_drv_diagnostics_hotness_requires_pgo)
-        << "-fdiagnostics-hotness-threshold=";
+
+  if (Opts.DiagnosticsWithHotness &&
+      Opts.getProfileUse() == CodeGenOptions::ProfileNone &&
+      !UsingSampleProfile) {
+    Diags.Report(diag::warn_drv_fdiagnostics_show_hotness_requires_pgo);
+  }
 
   // If the user requested to use a sample profile for PGO, then the
   // backend will need to track source location information so the profile