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Revert "Use the range machinery for DW_AT_ranges and DW_AT_high/lo_pc."

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This appears to trigger failures with optimization and function arguments somehow.

This reverts commit r204277.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204286 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2014-03-20 00:12:06 +00:00
parent eb7dcd71d6
commit 5a8743ef85
10 changed files with 143 additions and 244 deletions
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54
lib/CodeGen/AsmPrinter/DwarfUnit.cpp
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@ -282,31 +282,22 @@ void DwarfUnit::addSectionOffset(DIE *Die, dwarf::Attribute Attribute,
/// DW_FORM_addr or DW_FORM_GNU_addr_index.
///
void DwarfCompileUnit::addLabelAddress(DIE *Die, dwarf::Attribute Attribute,
const MCSymbol *Label) {
if (!DD->useSplitDwarf())
return addLocalLabelAddress(Die, Attribute, Label);
MCSymbol *Label) {
if (Label)
DD->addArangeLabel(SymbolCU(this, Label));
unsigned idx = DU->getAddrPoolIndex(Label);
DIEValue *Value = new (DIEValueAllocator) DIEInteger(idx);
Die->addValue(Attribute, dwarf::DW_FORM_GNU_addr_index, Value);
}
void DwarfCompileUnit::addLocalLabelAddress(DIE *Die,
dwarf::Attribute Attribute,
const MCSymbol *Label) {
if (Label)
DD->addArangeLabel(SymbolCU(this, Label));
if (Label) {
DIEValue *Value = new (DIEValueAllocator) DIELabel(Label);
Die->addValue(Attribute, dwarf::DW_FORM_addr, Value);
if (!DD->useSplitDwarf()) {
if (Label) {
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);
}
} else {
DIEValue *Value = new (DIEValueAllocator) DIEInteger(0);
Die->addValue(Attribute, dwarf::DW_FORM_addr, Value);
unsigned idx = DU->getAddrPoolIndex(Label);
DIEValue *Value = new (DIEValueAllocator) DIEInteger(idx);
Die->addValue(Attribute, dwarf::DW_FORM_GNU_addr_index, Value);
}
}
@ -2043,27 +2034,6 @@ void DwarfUnit::emitHeader(const MCSection *ASection,
Asm->EmitInt8(Asm->getDataLayout().getPointerSize());
}
void DwarfUnit::addRange(RangeSpan Range) {
// Only add a range for this unit if we're emitting full debug.
if (getCUNode().getEmissionKind() == DIBuilder::FullDebug) {
// If we have no current ranges just add the range and return, otherwise,
// check the current section and CU against the previous section and CU we
// emitted into and the subprogram was contained within. If these are the
// same then extend our current range, otherwise add this as a new range.
if (CURanges.size() == 0 ||
this != DD->getPrevCU() ||
Asm->getCurrentSection() != DD->getPrevSection()) {
CURanges.push_back(Range);
return;
}
assert(&(CURanges.back().getEnd()->getSection()) ==
&(Range.getEnd()->getSection()) &&
"We can only append to a range in the same section!");
CURanges.back().setEnd(Range.getEnd());
}
}
void DwarfCompileUnit::initStmtList(MCSymbol *DwarfLineSectionSym) {
// Define start line table label for each Compile Unit.
MCSymbol *LineTableStartSym =