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IR: Require DICompositeType for ODR uniquing type map

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Tighten up the API for debug info ODR type uniquing in LLVMContext.  The
only reason to allow other DIType subclasses is to make the unit tests
prettier :/.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266737 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2016-04-19 14:42:55 +00:00
parent ee5f5d934b
commit ef55fa5ba5
6 changed files with 22 additions and 19 deletions
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4
lib/Bitcode/Reader/BitcodeReader.cpp
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@@ -2192,12 +2192,12 @@ std::error_code BitcodeReader::parseMetadata(bool ModuleLevel) {
// mapping.
unsigned Flags = Record[10];
auto *Identifier = getMDString(Record[15]);
DIType **MappedT = nullptr;
DICompositeType **MappedT = nullptr;
if (!(Flags & DINode::FlagFwdDecl) && Identifier)
MappedT = Context.getOrInsertODRUniquedType(*Identifier);
// Use the mapped type node, or create a new one if necessary.
DIType *CT = MappedT ? *MappedT : nullptr;
DICompositeType *CT = MappedT ? *MappedT : nullptr;
if (!CT) {
CT = GET_OR_DISTINCT(
DICompositeType, Record[0],