This reverts "r327189 - [ARM] Add ARMv8.2-A FP16 vector intrinsic"

This is causing problems in testing, and PR36683 was raised.
Reverting it until we have sorted out how to pass f16 vectors.

llvm-svn: 327437
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index 95d8229..19deb9b 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -3481,7 +3481,8 @@
                                              const llvm::CmpInst::Predicate Fp,
                                              const llvm::CmpInst::Predicate Ip,
                                              const llvm::Twine &Name = "");
-  llvm::Value *EmitARMBuiltinExpr(unsigned BuiltinID, const CallExpr *E);
+  llvm::Value *EmitARMBuiltinExpr(unsigned BuiltinID, const CallExpr *E,
+                                  llvm::Triple::ArchType Arch);
 
   llvm::Value *EmitCommonNeonBuiltinExpr(unsigned BuiltinID,
                                          unsigned LLVMIntrinsic,
@@ -3490,7 +3491,8 @@
                                          unsigned Modifier,
                                          const CallExpr *E,
                                          SmallVectorImpl<llvm::Value *> &Ops,
-                                         Address PtrOp0, Address PtrOp1);
+                                         Address PtrOp0, Address PtrOp1,
+                                         llvm::Triple::ArchType Arch);
   llvm::Function *LookupNeonLLVMIntrinsic(unsigned IntrinsicID,
                                           unsigned Modifier, llvm::Type *ArgTy,
                                           const CallExpr *E);
@@ -3504,7 +3506,8 @@
   llvm::Value *EmitNeonRShiftImm(llvm::Value *Vec, llvm::Value *Amt,
                                  llvm::Type *Ty, bool usgn, const char *name);
   llvm::Value *vectorWrapScalar16(llvm::Value *Op);
-  llvm::Value *EmitAArch64BuiltinExpr(unsigned BuiltinID, const CallExpr *E);
+  llvm::Value *EmitAArch64BuiltinExpr(unsigned BuiltinID, const CallExpr *E,
+                                      llvm::Triple::ArchType Arch);
 
   llvm::Value *BuildVector(ArrayRef<llvm::Value*> Ops);
   llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E);