Delete needsDynRelative.

It is now redundant. Writer.cpp can reason that 2 dynamic relocations
are needed: one to find the final got entry address and one to fill the
got entry.

llvm-svn: 266876
diff --git a/lld/ELF/Target.cpp b/lld/ELF/Target.cpp
index 48c5f6a..98c7a25 100644
--- a/lld/ELF/Target.cpp
+++ b/lld/ELF/Target.cpp
@@ -84,7 +84,6 @@
                 int32_t Index, unsigned RelOff) const override;
   bool isRelRelative(uint32_t Type) const override;
   bool needsCopyRelImpl(uint32_t Type) const override;
-  bool needsDynRelative(uint32_t Type) const override;
   bool needsPltImpl(uint32_t Type) const override;
   void relocateOne(uint8_t *Loc, uint32_t Type, uint64_t Val) const override;
 
@@ -510,10 +509,6 @@
   write32le(Loc, Val);
 }
 
-bool X86TargetInfo::needsDynRelative(uint32_t Type) const {
-  return Config->Shared && Type == R_386_TLS_IE;
-}
-
 void X86TargetInfo::relaxTlsGdToLe(uint8_t *Loc, uint32_t Type,
                                    uint64_t Val) const {
   // GD can be optimized to LE:
@@ -1166,6 +1161,7 @@
   case R_AARCH64_TLSLE_ADD_TPREL_HI12:
   case R_AARCH64_TLSLE_ADD_TPREL_LO12_NC:
   case R_AARCH64_TSTBR14:
+  case R_AARCH64_LD64_GOT_LO12_NC:
     return true;
   }
 }
diff --git a/lld/ELF/Target.h b/lld/ELF/Target.h
index 7b461ea..b8e6ea3 100644
--- a/lld/ELF/Target.h
+++ b/lld/ELF/Target.h
@@ -55,7 +55,6 @@
   // dynamic linker if isRelRelative returns true.
   virtual bool isRelRelative(uint32_t Type) const;
 
-  virtual bool needsDynRelative(uint32_t Type) const { return false; }
   virtual bool refersToGotEntry(uint32_t Type) const;
 
   enum PltNeed { Plt_No, Plt_Explicit, Plt_Implicit };
diff --git a/lld/ELF/Writer.cpp b/lld/ELF/Writer.cpp
index 71b2664..9cbe4ff 100644
--- a/lld/ELF/Writer.cpp
+++ b/lld/ELF/Writer.cpp
@@ -501,7 +501,7 @@
       continue;
     }
 
-    if (Target->needsDynRelative(Type))
+    if (Expr == R_GOT && !Target->isRelRelative(Type) && Config->Shared)
       AddDyn({Target->RelativeRel, C.OutSec, Offset, true, &Body,
               getAddend<ELFT>(RI)});