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Ranges in the .debug_range section need to have begin and end labels,

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assert that this is so.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197780 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher 2013-12-20 04:34:22 +00:00
parent e9e7e2cc70
commit d1946f7afe
1 changed files with 8 additions and 13 deletions
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21
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@ -2938,14 +2938,12 @@ void DwarfDebug::emitDebugRanges() {
RE = List.getRanges().end(); RE = List.getRanges().end();
RI != RE; ++RI) { RI != RE; ++RI) {
const RangeSpan &Range = *RI; const RangeSpan &Range = *RI;
// We occasionally have ranges without begin/end labels.
// FIXME: Verify and fix.
const MCSymbol *Begin = Range.getStart(); const MCSymbol *Begin = Range.getStart();
const MCSymbol *End = Range.getEnd(); const MCSymbol *End = Range.getEnd();
Begin ? Asm->OutStreamer.EmitSymbolValue(Begin, Size) assert(Begin && "Range without a begin symbol?");
: Asm->OutStreamer.EmitIntValue(0, Size); assert(End && "Range without an end symbol?");
End ? Asm->OutStreamer.EmitSymbolValue(End, Size) Asm->OutStreamer.EmitSymbolValue(Begin, Size);
: Asm->OutStreamer.EmitIntValue(0, Size); Asm->OutStreamer.EmitSymbolValue(End, Size);
} }
// And terminate the list with two 0 values. // And terminate the list with two 0 values.
@ -2960,15 +2958,12 @@ void DwarfDebug::emitDebugRanges() {
const SmallVectorImpl<RangeSpan> &Ranges = TheCU->getRanges(); const SmallVectorImpl<RangeSpan> &Ranges = TheCU->getRanges();
for (uint32_t i = 0, e = Ranges.size(); i != e; ++i) { for (uint32_t i = 0, e = Ranges.size(); i != e; ++i) {
RangeSpan Range = Ranges[i]; RangeSpan Range = Ranges[i];
// We occasionally have ranges without begin/end labels.
// FIXME: Verify and fix.
const MCSymbol *Begin = Range.getStart(); const MCSymbol *Begin = Range.getStart();
const MCSymbol *End = Range.getEnd(); const MCSymbol *End = Range.getEnd();
Begin ? Asm->OutStreamer.EmitSymbolValue(Begin, Size) assert(Begin && "Range without a begin symbol?");
: Asm->OutStreamer.EmitIntValue(0, Size); assert(End && "Range without an end symbol?");
End ? Asm->OutStreamer.EmitSymbolValue(End, Size) Asm->OutStreamer.EmitSymbolValue(Begin, Size);
: Asm->OutStreamer.EmitIntValue(0, Size); Asm->OutStreamer.EmitSymbolValue(End, Size);
} }
// And terminate the list with two 0 values. // And terminate the list with two 0 values.
Asm->OutStreamer.EmitIntValue(0, Size); Asm->OutStreamer.EmitIntValue(0, Size);