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emit a 0 byte instead of a noop if a function is empty on darwin.

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"0" is nice and target independent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94718 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-01-28 01:06:32 +00:00
parent 14c38ec2af
commit 10e7c60c04
2 changed files with 3 additions and 5 deletions
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6
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@@ -376,10 +376,8 @@ void AsmPrinter::EmitFunctionBody() {
// If the function is empty and the object file uses .subsections_via_symbols,
// then we need to emit *some* thing to the function body to prevent the
// labels from collapsing together.
if (MAI->hasSubsectionsViaSymbols() && !HasAnyRealCode) {
// FIXME: EmitByte(0).
O << "\tnop\n";
}
if (MAI->hasSubsectionsViaSymbols() && !HasAnyRealCode)
OutStreamer.EmitIntValue(0, 1, 0/*addrspace*/);
if (MAI->hasDotTypeDotSizeDirective())
O << "\t.size\t" << *CurrentFnSym << ", .-" << *CurrentFnSym << '\n';