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-rw-r--r--llvm/lib/CodeGen/MachineOptimizationRemarkEmitter.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineOptimizationRemarkEmitter.cpp b/llvm/lib/CodeGen/MachineOptimizationRemarkEmitter.cpp
index 957028f..73c3428a 100644
--- a/llvm/lib/CodeGen/MachineOptimizationRemarkEmitter.cpp
+++ b/llvm/lib/CodeGen/MachineOptimizationRemarkEmitter.cpp
@@ -52,6 +52,14 @@ void MachineOptimizationRemarkEmitter::emit(
computeHotness(OptDiag);
LLVMContext &Ctx = MF.getFunction()->getContext();
+
+ // If a diagnostic has a hotness value, then only emit it if its hotness
+ // meets the threshold.
+ if (OptDiag.getHotness() &&
+ *OptDiag.getHotness() < Ctx.getDiagnosticsHotnessThreshold()) {
+ return;
+ }
+
yaml::Output *Out = Ctx.getDiagnosticsOutputFile();
if (Out) {
auto *P = &const_cast<DiagnosticInfoOptimizationBase &>(OptDiagCommon);