Emit a getMatchingSuperRegClass() implementation for every target.

Use information computed while inferring new register classes to emit
accurate, table-driven implementations of getMatchingSuperRegClass().

Delete the old manual, error-prone implementations in the targets.

llvm-svn: 146873

1 files changed, 0 insertions, 7 deletions

diff --git a/llvm/lib/Target/MSP430/MSP430RegisterInfo.h b/llvm/lib/Target/MSP430/MSP430RegisterInfo.h
index 10a3d532063..06fa4901225 100644
--- a/llvm/lib/Target/MSP430/MSP430RegisterInfo.h
+++ b/llvm/lib/Target/MSP430/MSP430RegisterInfo.h
@@ -41,13 +41,6 @@ public:
   BitVector getReservedRegs(const MachineFunction &MF) const;
   const TargetRegisterClass* getPointerRegClass(unsigned Kind = 0) const;
 
-  const TargetRegisterClass *
-  getMatchingSuperRegClass(const TargetRegisterClass *A,
-                           const TargetRegisterClass *B, unsigned Idx) const {
-    // No sub-classes makes this really easy.
-    return A;
-  }
-
   void eliminateCallFramePseudoInstr(MachineFunction &MF,
                                      MachineBasicBlock &MBB,
                                      MachineBasicBlock::iterator I) const;