commit d61647d306bc297603c607411b2777b217cd65b6
author Chris Lattner <sabre@nondot.org> Mon Apr 26 23:41:43 2010 +0000
committer Chris Lattner <sabre@nondot.org> Mon Apr 26 23:41:43 2010 +0000
tree d524f71bafd6e03af2b139571fc7c8795f5a4c67
parent ee9eb411fffddbb8fe70418c05946a131889b487

add a comment in verbose-asm mode indicating why a noop is being generated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102401 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/AsmPrinter/AsmPrinter.cpp

diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
index 55eec53..31cb0ca 100644
--- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
+++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
@@ -589,9 +589,10 @@
   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"));
   }