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Revert r198199 (and r198202). It broke 3 DebugInfo tests for targeting i686-cygming.

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r198196: Use a pointer to keep track of the skeleton unit for each normal unit and construct it up front.
  r198199: Reapply r198196 with a fix to zero initialize the skeleton pointer.
  r198202: Fix aranges and split dwarf by ensuring that the symbol and relocation back to the compile unit from the aranges section is to the skeleton unit and not the one in the dwo.

They could be reproducible with explicit target.

  llvm/lib/MC/WinCOFFObjectWriter.cpp:224: bool {anonymous}::COFFSymbol::should_keep() const: Assertion `Section->Number != -1 && "Sections with relocations must be real!"' failed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198208 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
NAKAMURA Takumi
2013-12-30 09:26:10 +00:00
parent e18e76e424
commit b2299f0c80
7 changed files with 40 additions and 90 deletions
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19
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
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@ -43,7 +43,7 @@ GenerateDwarfTypeUnits("generate-type-units", cl::Hidden,
DwarfUnit::DwarfUnit(unsigned UID, DIE *D, DICompileUnit Node, AsmPrinter *A,
DwarfDebug *DW, DwarfFile *DWU)
: UniqueID(UID), Node(Node), UnitDie(D), DebugInfoOffset(0), Asm(A), DD(DW),
DU(DWU), IndexTyDie(0), Section(0), Skeleton(0) {
DU(DWU), IndexTyDie(0), Section(0) {
DIEIntegerOne = new (DIEValueAllocator) DIEInteger(1);
}
@ -293,23 +293,6 @@ void DwarfCompileUnit::addLabelAddress(DIE *Die, dwarf::Attribute Attribute,
}
}
/// addLocalLabelAddress - Add a dwarf label attribute data and value using
/// DW_FORM_addr.
void DwarfCompileUnit::addLocalLabelAddress(DIE *Die,
dwarf::Attribute Attribute,
MCSymbol *Label) {
if (Label)
DD->addArangeLabel(SymbolCU(this, Label));
if (Label != NULL) {
DIEValue *Value = new (DIEValueAllocator) DIELabel(Label);
Die->addValue(Attribute, dwarf::DW_FORM_addr, Value);
} else {
DIEValue *Value = new (DIEValueAllocator) DIEInteger(0);
Die->addValue(Attribute, dwarf::DW_FORM_addr, Value);
}
}
/// addOpAddress - Add a dwarf op address data and value using the
/// form given and an op of either DW_FORM_addr or DW_FORM_GNU_addr_index.
///