[ModuloScheduler] Fix missing LLVM_DEBUG

Guard a debug message with LLVM_DEBUG

Differential Revision: https://reviews.llvm.org/D132895

diff --git a/llvm/lib/CodeGen/MachinePipeliner.cpp b/llvm/lib/CodeGen/MachinePipeliner.cpp
index e561e0a..2d70994 100644 (file)
--- a/llvm/lib/CodeGen/MachinePipeliner.cpp
+++ b/llvm/lib/CodeGen/MachinePipeliner.cpp
@@ -2101,7 +2101,7 @@ bool SwingSchedulerDAG::schedulePipeline(SMSchedule &Schedule) {
   if (scheduleFound) {
     scheduleFound = LoopPipelinerInfo->shouldUseSchedule(*this, Schedule);
     if (!scheduleFound)
-      dbgs() << "Target rejected schedule\n";
+      LLVM_DEBUG(dbgs() << "Target rejected schedule\n");
   }
 
   if (scheduleFound) {