[PATCH] D153746: [Remarks] Make sure -fdiagnostics-hotness-threshold implies -fdiagnostics-show-hotness

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serge-sans-paille created this revision.
serge-sans-paille added a reviewer: weiwang.
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When asking for -fdiagnostics-hotness-threshold, we currently require
-fdiagnostics-show-hotness otherwise we silently display nothing.

I don't see a scenario where that makes sense, so have one option impy
the other.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D153746

Files:
  clang/test/Frontend/remarks-hotness.cpp
  llvm/lib/IR/LLVMRemarkStreamer.cpp


Index: llvm/lib/IR/LLVMRemarkStreamer.cpp
===================================================================
--- llvm/lib/IR/LLVMRemarkStreamer.cpp
+++ llvm/lib/IR/LLVMRemarkStreamer.cpp
@@ -96,8 +96,8 @@
     LLVMContext &Context, StringRef RemarksFilename, StringRef RemarksPasses,
     StringRef RemarksFormat, bool RemarksWithHotness,
     std::optional<uint64_t> RemarksHotnessThreshold) {
-  if (RemarksWithHotness)
-    Context.setDiagnosticsHotnessRequested(true);
+  if (RemarksWithHotness || RemarksHotnessThreshold.value_or(1))
+      Context.setDiagnosticsHotnessRequested(true);
 
   Context.setDiagnosticsHotnessThreshold(RemarksHotnessThreshold);
 
@@ -143,7 +143,7 @@
     LLVMContext &Context, raw_ostream &OS, StringRef RemarksPasses,
     StringRef RemarksFormat, bool RemarksWithHotness,
     std::optional<uint64_t> RemarksHotnessThreshold) {
-  if (RemarksWithHotness)
+  if (RemarksWithHotness || RemarksHotnessThreshold.value_or(1))
     Context.setDiagnosticsHotnessRequested(true);
 
   Context.setDiagnosticsHotnessThreshold(RemarksHotnessThreshold);
Index: clang/test/Frontend/remarks-hotness.cpp
===================================================================
--- clang/test/Frontend/remarks-hotness.cpp
+++ clang/test/Frontend/remarks-hotness.cpp
@@ -13,6 +13,13 @@
 // RUN:     -fdiagnostics-hotness-threshold=auto 2>&1 \
 // RUN:     | FileCheck -check-prefix=HOT_CALL %s
 
+// Make sure -fdiagnostics-hotness-threshold implies -fdiagnostics-show-hotness
+// RUN: %clang_cc1 -triple x86_64-linux %s -emit-llvm-only -O3 \
+// RUN:     -fprofile-sample-use=%S/Inputs/remarks-hotness.prof \
+// RUN:     -Rpass=inline -Rpass-analysis=inline -Rpass-missed=inline \
+// RUN:     -fdiagnostics-hotness-threshold=auto 2>&1 \
+// RUN:     | FileCheck -check-prefix=HOT_CALL %s
+
 int callee1() {
   return 1;
 }


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