Refactor a duplicated predicate. NFC.

llvm-svn: 273826

include/llvm/Target/TargetLowering.h

@@ -2176,6 +2176,8 @@ public:
   /// NOTE: The TargetMachine owns TLOF.
   explicit TargetLowering(const TargetMachine &TM);
 
+  bool isPositionIndependent() const;
+
   /// Returns true by value, base pointer and offset pointer and addressing mode
   /// by reference if the node's address can be legally represented as
   /// pre-indexed load / store address.

lib/CodeGen/SelectionDAG/TargetLowering.cpp

@@ -44,6 +44,10 @@ const char *TargetLowering::getTargetNodeName(unsigned Opcode) const {
   return nullptr;
 }
 
+bool TargetLowering::isPositionIndependent() const {
+  return getTargetMachine().getRelocationModel() == Reloc::PIC_;
+}
+
 /// Check whether a given call node is in tail position within its function. If
 /// so, it sets Chain to the input chain of the tail call.
 bool TargetLowering::isInTailCallPosition(SelectionDAG &DAG, SDNode *Node,

lib/Target/ARM/ARMISelLowering.cpp

@@ -1569,10 +1569,6 @@ void ARMTargetLowering::PassF64ArgInRegs(const SDLoc &dl, SelectionDAG &DAG,
   }
 }
 
-bool ARMTargetLowering::isPositionIndependent() const {
-  return getTargetMachine().getRelocationModel() == Reloc::PIC_;
-}
-
 /// LowerCall - Lowering a call into a callseq_start <-
 /// ARMISD:CALL <- callseq_end chain. Also add input and output parameter
 /// nodes.

lib/Target/ARM/ARMISelLowering.h

@@ -230,7 +230,6 @@ namespace llvm {
     explicit ARMTargetLowering(const TargetMachine &TM,
                                const ARMSubtarget &STI);
 
-    bool isPositionIndependent() const;
     unsigned getJumpTableEncoding() const override;
     bool useSoftFloat() const override;
 

lib/Target/X86/X86ISelLowering.cpp

@@ -12978,10 +12978,6 @@ static SDValue LowerToTLSExecModel(GlobalAddressSDNode *GA, SelectionDAG &DAG,
   return DAG.getNode(ISD::ADD, dl, PtrVT, ThreadPointer, Offset);
 }
 
-bool X86TargetLowering::isPositionIndependent() const {
-  return getTargetMachine().getRelocationModel() == Reloc::PIC_;
-}
-
 SDValue
 X86TargetLowering::LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) const {
 

lib/Target/X86/X86ISelLowering.h

@@ -656,7 +656,6 @@ namespace llvm {
   //  X86 Implementation of the TargetLowering interface
   class X86TargetLowering final : public TargetLowering {
   public:
-    bool isPositionIndependent() const;
     explicit X86TargetLowering(const X86TargetMachine &TM,
                                const X86Subtarget &STI);