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[DebugInfo] Simplify DWARFUnit::determineStringOffsetsTableContribution(). NFC.

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The method is called from only one place and the call is already guarded
by a condition which checks that IsDWO is false.

Differential Revision: https://reviews.llvm.org/D78482
This commit is contained in:
Igor Kudrin 2020-04-22 12:11:17 +07:00
parent c63956f575
commit 5f88b99c30
1 changed files with 7 additions and 12 deletions
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19
lib/DebugInfo/DWARF/DWARFUnit.cpp
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@ -962,18 +962,12 @@ parseDWARFStringOffsetsTableHeader(DWARFDataExtractor &DA,
Expected<Optional<StrOffsetsContributionDescriptor>>
DWARFUnit::determineStringOffsetsTableContribution(DWARFDataExtractor &DA) {
uint64_t Offset;
if (IsDWO) {
Offset = 0;
if (DA.getData().data() == nullptr)
return None;
} else {
auto OptOffset = toSectionOffset(getUnitDIE().find(DW_AT_str_offsets_base));
if (!OptOffset)
return None;
Offset = *OptOffset;
}
auto DescOrError = parseDWARFStringOffsetsTableHeader(DA, Header.getFormat(), Offset);
assert(!IsDWO);
auto OptOffset = toSectionOffset(getUnitDIE().find(DW_AT_str_offsets_base));
if (!OptOffset)
return None;
auto DescOrError =
parseDWARFStringOffsetsTableHeader(DA, Header.getFormat(), *OptOffset);
if (!DescOrError)
return DescOrError.takeError();
return *DescOrError;
@ -981,6 +975,7 @@ DWARFUnit::determineStringOffsetsTableContribution(DWARFDataExtractor &DA) {
Expected<Optional<StrOffsetsContributionDescriptor>>
DWARFUnit::determineStringOffsetsTableContributionDWO(DWARFDataExtractor & DA) {
assert(IsDWO);
uint64_t Offset = 0;
auto IndexEntry = Header.getIndexEntry();
const auto *C =