[llvm] [AMDGPU] SIFoldOperands: Print instructions/operands in debug output (NFC) (PR #207945)

[Matt Arsenault via llvm-commits]

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@@ -631,7 +631,7 @@ bool SIFoldOperandsImpl::updateOperand(FoldCandidate &Fold) const {
     MachineBasicBlock *MBB = MI->getParent();
     auto Liveness = MBB->computeRegisterLiveness(TRI, AMDGPU::VCC, MI, 16);
     if (Liveness != MachineBasicBlock::LQR_Dead) {
-      LLVM_DEBUG(dbgs() << "Not shrinking " << MI << " due to vcc liveness\n");
+      LLVM_DEBUG(dbgs() << "Not shrinking " << *MI << " due to vcc liveness\n");
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arsenm wrote:

```suggestion
      LLVM_DEBUG(dbgs() << "Not shrinking due to live vcc: " << *MI);
```
Avoid line break between the inst and the message

https://github.com/llvm/llvm-project/pull/207945