From 3af635a296098e0a7544dca542e5487422885273 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 26 Apr 2010 23:41:43 +0000
Subject: add a comment in verbose-asm mode indicating why a noop is being
 generated.

llvm-svn: 102401
---
 llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp')

diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 55eec53b4b6..31cb0cab580 100644
--- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -589,9 +589,10 @@ void AsmPrinter::EmitFunctionBody() {
   if (MAI->hasSubsectionsViaSymbols() && !HasAnyRealCode) {
     MCInst Noop;
     TM.getInstrInfo()->getNoopForMachoTarget(Noop);
-    if (Noop.getOpcode())
+    if (Noop.getOpcode()) {
+      OutStreamer.AddComment("avoids zero-length function");
       OutStreamer.EmitInstruction(Noop);
-    else  // Target not mc-ized yet.
+    } else  // Target not mc-ized yet.
       OutStreamer.EmitRawText(StringRef("\tnop\n"));
   }
   
-- 
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