[RISCV] Remove unused function

This function is not virtual, it is private and it is not called anywhere. No
regression is introduced by removing it.

I think we can safely remove it.

Differential Revision: https://reviews.llvm.org/D50836

llvm-svn: 340024

diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 87796e5..6f2e6b4 100644 (file)
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -357,26 +357,6 @@ SDValue RISCVTargetLowering::lowerConstantPool(SDValue Op,
   }
 }
 
-SDValue RISCVTargetLowering::lowerExternalSymbol(SDValue Op,
-                                                 SelectionDAG &DAG) const {
-  SDLoc DL(Op);
-  EVT Ty = Op.getValueType();
-  ExternalSymbolSDNode *N = cast<ExternalSymbolSDNode>(Op);
-  const char *Sym = N->getSymbol();
-
-  // TODO: should also handle gp-relative loads.
-
-  if (isPositionIndependent() || Subtarget.is64Bit())
-    report_fatal_error("Unable to lowerExternalSymbol");
-
-  SDValue GAHi = DAG.getTargetExternalSymbol(Sym, Ty, RISCVII::MO_HI);
-  SDValue GALo = DAG.getTargetExternalSymbol(Sym, Ty, RISCVII::MO_LO);
-  SDValue MNHi = SDValue(DAG.getMachineNode(RISCV::LUI, DL, Ty, GAHi), 0);
-  SDValue MNLo =
-    SDValue(DAG.getMachineNode(RISCV::ADDI, DL, Ty, MNHi, GALo), 0);
-  return MNLo;
-}
-
 SDValue RISCVTargetLowering::lowerSELECT(SDValue Op, SelectionDAG &DAG) const {
   SDValue CondV = Op.getOperand(0);
   SDValue TrueV = Op.getOperand(1);

diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.h b/llvm/lib/Target/RISCV/RISCVISelLowering.h
index 280adb2..3e3e67b 100644 (file)
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.h
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.h
@@ -107,7 +107,6 @@ private:
   SDValue lowerGlobalAddress(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerBlockAddress(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerConstantPool(SDValue Op, SelectionDAG &DAG) const;
-  SDValue lowerExternalSymbol(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerSELECT(SDValue Op, SelectionDAG &DAG) const;
   SDValue lowerVASTART(SDValue Op, SelectionDAG &DAG) const;
   SDValue LowerFRAMEADDR(SDValue Op, SelectionDAG &DAG) const;