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-rw-r--r--lib/Frontend/CompilerInvocation.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Frontend/CompilerInvocation.cpp b/lib/Frontend/CompilerInvocation.cpp
index 619ea9cc23..1536738c92 100644
--- a/lib/Frontend/CompilerInvocation.cpp
+++ b/lib/Frontend/CompilerInvocation.cpp
@@ -839,6 +839,12 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
NeedLocTracking = true;
}
+ Opts.DiagnosticsWithHotness =
+ Args.hasArg(options::OPT_fdiagnostics_show_hotness);
+ if (Opts.DiagnosticsWithHotness &&
+ Opts.getProfileUse() == CodeGenOptions::ProfileNone)
+ 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
// can be incorporated into the IR.