ARMLowOverheadLoops: return earlier to avoid printing irrelevant dbg msg. NFC

Sjoerd Meijer · Sjoerd Meijer · commit add04b965384 · 2020-01-13T10:24:10.000Z
diff --git a/llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp b/llvm/lib/Target/ARM/ARMLowOverheadLoops.cpp
@@ -864,6 +864,7 @@ void ARMLowOverheadLoops::RemoveLoopUpdate(LowOverheadLoop &LoLoop) {
     LLVM_DEBUG(dbgs() << "ARM Loops: Removing loop update instruction: ";
                Def->dump());
     Def->eraseFromParent();
+    return;
   }
 
   LLVM_DEBUG(dbgs() << "ARM Loops: Can't remove loop update, it's used by:\n";

Original file line number	Diff line number	Diff line change
`@@ -864,6 +864,7 @@ void ARMLowOverheadLoops::RemoveLoopUpdate(LowOverheadLoop &LoLoop) {`
`864`	`864`	`LLVM_DEBUG(dbgs() << "ARM Loops: Removing loop update instruction: ";`
`865`	`865`	`Def->dump());`
`866`	`866`	`Def->eraseFromParent();`
	`867`	`+ return;`
`867`	`868`	`}`
`868`	`869`
`869`	`870`	`LLVM_DEBUG(dbgs() << "ARM Loops: Can't remove loop update, it's used by:\n";`