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add a new MachineJumpTableInfo::getJTISymbol method,

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use it to implement the default TargetLowering::getPICJumpTableRelocBaseExpr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94523 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-01-26 05:58:28 +00:00
parent 13e97a29d9
commit beeb93e6ba
4 changed files with 46 additions and 20 deletions
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6
include/llvm/CodeGen/MachineJumpTableInfo.h
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@ -90,6 +90,12 @@ public:
const std::vector<MachineJumpTableEntry> &getJumpTables() const {
return JumpTables;
}
/// getJTISymbol - Return the MCSymbol for the specified non-empty jump table.
/// If isLinkerPrivate is specified, an 'l' label is returned, otherwise a
/// normal 'L' label is returned.
MCSymbol *getJTISymbol(unsigned JTI, MCContext &Ctx,
bool isLinkerPrivate = false) const;
/// RemoveJumpTable - Mark the specific index as being dead. This will
/// prevent it from being emitted.