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fix AsmPrinter::GetBlockAddressSymbol to always return a unique

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label instead of trying to form one based on the BB name (which
causes collisions if the name is empty).  This fixes PR6608


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98495 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-03-14 17:53:23 +00:00
parent c441e97220
commit 3b9d6216a4
8 changed files with 37 additions and 31 deletions
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10
include/llvm/CodeGen/MachineModuleInfo.h
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@ -139,6 +139,11 @@ class MachineModuleInfo : public ImmutablePass {
/// llvm.compiler.used.
SmallPtrSet<const Function *, 32> UsedFunctions;
/// AddrLabelSymbols - This map keeps track of which symbol is being used for
/// the specified basic block's address of label.
DenseMap<AssertingVH<BasicBlock>, MCSymbol*> AddrLabelSymbols;
bool CallsEHReturn;
bool CallsUnwindInit;
@ -203,6 +208,11 @@ public:
/// handling comsumers.
std::vector<MachineMove> &getFrameMoves() { return FrameMoves; }
/// 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);
//===- EH ---------------------------------------------------------------===//
/// getOrCreateLandingPadInfo - Find or create an LandingPadInfo for the