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[MMI] Use TinyPtrVector instead of PointerUnion with vector.

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Also simplify duplicated code a bit. No functionality change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@240990 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2015-06-29 20:21:55 +00:00
parent a8db479240
commit 17d7215661
3 changed files with 26 additions and 102 deletions
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6
include/llvm/CodeGen/MachineModuleInfo.h
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@@ -284,12 +284,14 @@ public:
/// getAddrLabelSymbol - Return the symbol to be used for the specified basic
/// block when its address is taken. This cannot be its normal LBB label
/// because the block may be accessed outside its containing function.
MCSymbol *getAddrLabelSymbol(const BasicBlock *BB);
MCSymbol *getAddrLabelSymbol(const BasicBlock *BB) {
return getAddrLabelSymbolToEmit(BB).front();
}
/// getAddrLabelSymbolToEmit - Return the symbol to be used for the specified
/// basic block when its address is taken. If other blocks were RAUW'd to
/// this one, we may have to emit them as well, return the whole set.
std::vector<MCSymbol*> getAddrLabelSymbolToEmit(const BasicBlock *BB);
ArrayRef<MCSymbol *> getAddrLabelSymbolToEmit(const BasicBlock *BB);
/// takeDeletedSymbolsForFunction - If the specified function has had any
/// references to address-taken blocks generated, but the block got deleted,