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[AsmParser] Remove MDRef (NFC)

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The last use was removed on Jan 12, 2015 in commit
ab617d597708fcf3c4b829bf595e9d990ca66c07.
This commit is contained in:
Kazu Hirata 2021-07-26 08:29:32 -07:00
parent 6d505ef4dd
commit 24ba96f75f
1 changed files with 0 additions and 15 deletions
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15
include/llvm/AsmParser/LLParser.h
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@ -93,21 +93,6 @@ namespace llvm {
ModuleSummaryIndex *Index;
SlotMapping *Slots;
// Instruction metadata resolution. Each instruction can have a list of
// MDRef info associated with them.
//
// The simpler approach of just creating temporary MDNodes and then calling
// RAUW on them when the definition is processed doesn't work because some
// instruction metadata kinds, such as dbg, get stored in the IR in an
// "optimized" format which doesn't participate in the normal value use
// lists. This means that RAUW doesn't work, even on temporary MDNodes
// which otherwise support RAUW. Instead, we defer resolving MDNode
// references until the definitions have been processed.
struct MDRef {
SMLoc Loc;
unsigned MDKind, MDSlot;
};
SmallVector<Instruction*, 64> InstsWithTBAATag;
// Type resolution handling data structures. The location is set when we