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DebugInfo: Move type units into the debug_types section with appropriate comdat grouping and type unit headers

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This commit does not complete the type units feature - there are issues
around fission support (skeletal type units, pubtypes/pubnames) and
hashing of some types including those containing references to types in
other type units.

Originally committed as r197073 and reverted in r197079.
Recommitted as r197197 to reproduce the failure and reverted as r197199

Turns out there was unstable ordering in the type unit dumping code.
Fixed by using MapVector in DWARFContext to store the debug_types
comdat sections.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197210 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2013-12-13 06:27:38 +00:00
parent da44c36d64
commit bc6b250c74
10 changed files with 98 additions and 33 deletions
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2
include/llvm/MC/MCObjectFileInfo.h
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@ -262,6 +262,8 @@ public:
const MCSection *getDwarfInfoDWOSection() const {
return DwarfInfoDWOSection;
}
const MCSection *getDwarfTypesSection(uint64_t Hash) const;
const MCSection *getDwarfTypesDWOSection(uint64_t Hash) const;
const MCSection *getDwarfAbbrevDWOSection() const {
return DwarfAbbrevDWOSection;
}