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

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@102401 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-04-26 23:41:43 +00:00
parent ee9eb411ff
commit d61647d306
1 changed files with 3 additions and 2 deletions
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5
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -589,9 +589,10 @@ void AsmPrinter::EmitFunctionBody() {
if (MAI->hasSubsectionsViaSymbols() && !HasAnyRealCode) { if (MAI->hasSubsectionsViaSymbols() && !HasAnyRealCode) {
MCInst Noop; MCInst Noop;
TM.getInstrInfo()->getNoopForMachoTarget(Noop); TM.getInstrInfo()->getNoopForMachoTarget(Noop);
if (Noop.getOpcode()) if (Noop.getOpcode()) {
OutStreamer.AddComment("avoids zero-length function");
OutStreamer.EmitInstruction(Noop); OutStreamer.EmitInstruction(Noop);
else // Target not mc-ized yet. } else // Target not mc-ized yet.
OutStreamer.EmitRawText(StringRef("\tnop\n")); OutStreamer.EmitRawText(StringRef("\tnop\n"));
} }