[llvm] [AMDGPU][SIInsertWaitcnts] don't crash when printing messages at end of block (PR #145694)

[Sameer Sahasrabuddhe via llvm-commits]

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@@ -1353,7 +1353,14 @@ bool WaitcntGeneratorPreGFX12::applyPreexistingWaitcnt(
   MachineInstr *WaitcntInstr = nullptr;
   MachineInstr *WaitcntVsCntInstr = nullptr;
 
-  LLVM_DEBUG(dbgs() << "PreGFX12::applyPreexistingWaitcnt at: " << *It);
+  // clang-format off
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ssahasra wrote:

Thanks! That looks so much nicer!

https://github.com/llvm/llvm-project/pull/145694