[llvm] [GlobalISel] Split Legalizer debug ouput into paragraphs. NFC (PR #143427)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-llvm-globalisel

Author: David Green (davemgreen)

<details>
<summary>Changes</summary>

This helps keep the legalizer output easier to read, splitting each instructions legalization into a separate block.

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Full diff: https://github.com/llvm/llvm-project/pull/143427.diff


1 Files Affected:

- (modified) llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp (+1-1) 


``````````diff
diff --git a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
index 83ba71e4c9d49..028bffd1bf5a7 100644
--- a/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
+++ b/llvm/lib/CodeGen/GlobalISel/LegalizerHelper.cpp
@@ -118,7 +118,7 @@ LegalizerHelper::LegalizerHelper(MachineFunction &MF, const LegalizerInfo &LI,
 LegalizerHelper::LegalizeResult
 LegalizerHelper::legalizeInstrStep(MachineInstr &MI,
                                    LostDebugLocObserver &LocObserver) {
-  LLVM_DEBUG(dbgs() << "Legalizing: " << MI);
+  LLVM_DEBUG(dbgs() << "\nLegalizing: " << MI);
 
   MIRBuilder.setInstrAndDebugLoc(MI);
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/143427