add a new MachineJumpTableInfo::getJTISymbol method,

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

1 files changed, 6 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/MachineJumpTableInfo.h b/include/llvm/CodeGen/MachineJumpTableInfo.h
index 7d47714fd2..87c2b0bf58 100644
--- a/include/llvm/CodeGen/MachineJumpTableInfo.h
+++ b/include/llvm/CodeGen/MachineJumpTableInfo.h
@@ -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.