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Assert if we're trying to generate a null compact unwind entry.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179809 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2013-04-18 22:56:05 +00:00
parent 2828608e8e
commit 18014d4e4c
1 changed files with 2 additions and 4 deletions
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4
lib/MC/MCDwarf.cpp
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@@ -1170,8 +1170,7 @@ void FrameEmitterImpl::EmitCompactUnwind(MCStreamer &Streamer,
// .quad except_tab1 // .quad except_tab1
uint32_t Encoding = Frame.CompactUnwindEncoding; uint32_t Encoding = Frame.CompactUnwindEncoding;
if (!Encoding) return; assert(Encoding && "There should never be a null compact unwind encoding!");
bool DwarfEHFrameOnly = (Encoding == MOFI->getCompactUnwindDwarfEHFrameOnly()); bool DwarfEHFrameOnly = (Encoding == MOFI->getCompactUnwindDwarfEHFrameOnly());
// The encoding needs to know we have an LSDA. // The encoding needs to know we have an LSDA.
@@ -1486,7 +1485,6 @@ void MCDwarfFrameEmitter::Emit(MCStreamer &Streamer,
if (IsEH && MOFI->getCompactUnwindSection()) if (IsEH && MOFI->getCompactUnwindSection())
for (unsigned i = 0, n = Streamer.getNumFrameInfos(); i < n; ++i) { for (unsigned i = 0, n = Streamer.getNumFrameInfos(); i < n; ++i) {
const MCDwarfFrameInfo &Frame = Streamer.getFrameInfo(i); const MCDwarfFrameInfo &Frame = Streamer.getFrameInfo(i);
if (Frame.CompactUnwindEncoding)
Emitter.EmitCompactUnwind(Streamer, Frame); Emitter.EmitCompactUnwind(Streamer, Frame);
} }