Revert "[HLSL] Add Increment/DecrementCounter methods to structured buffers (llvm#114148)" (llvm#117448)

This reverts commit 94bde8c.

Author: hekota

clang/include/clang/Basic/Builtins.td

@@ -4882,6 +4882,7 @@ def HLSLSaturate : LangBuiltin<"HLSL_LANG"> {
   let Prototype = "void(...)";
 }
 
+
 def HLSLSelect : LangBuiltin<"HLSL_LANG"> {
   let Spellings = ["__builtin_hlsl_select"];
   let Attributes = [NoThrow, Const];
@@ -4906,12 +4907,6 @@ def HLSLRadians : LangBuiltin<"HLSL_LANG"> {
   let Prototype = "void(...)";
 }
 
-def HLSLBufferUpdateCounter : LangBuiltin<"HLSL_LANG"> {
-  let Spellings = ["__builtin_hlsl_buffer_update_counter"];
-  let Attributes = [NoThrow];
-  let Prototype = "uint32_t(...)";
-}
-
 def HLSLSplitDouble: LangBuiltin<"HLSL_LANG"> {
   let Spellings = ["__builtin_hlsl_elementwise_splitdouble"];
   let Attributes = [NoThrow, Const];

clang/include/clang/Basic/DiagnosticSemaKinds.td

@@ -7287,8 +7287,6 @@ def err_typecheck_illegal_increment_decrement : Error<
   "cannot %select{decrement|increment}1 value of type %0">;
 def err_typecheck_expect_int : Error<
   "used type %0 where integer is required">;
-def err_typecheck_expect_hlsl_resource : Error<
-  "used type %0 where __hlsl_resource_t is required">;
 def err_typecheck_arithmetic_incomplete_or_sizeless_type : Error<
   "arithmetic on a pointer to %select{an incomplete|sizeless}0 type %1">;
 def err_typecheck_pointer_arith_function_type : Error<
@@ -12530,10 +12528,6 @@ def warn_attr_min_eq_max:  Warning<
 
 def err_hlsl_attribute_number_arguments_insufficient_shader_model: Error<
   "attribute %0 with %1 arguments requires shader model %2 or greater">;
-def err_hlsl_expect_arg_const_int_one_or_neg_one: Error<
-  "argument %0 must be constant integer 1 or -1">;
-def err_invalid_hlsl_resource_type: Error<
-  "invalid __hlsl_resource_t type attributes">;
 
 // Layout randomization diagnostics.
 def err_non_designated_init_used : Error<

clang/lib/CodeGen/CGBuiltin.cpp

@@ -19409,15 +19409,6 @@ case Builtin::BI__builtin_hlsl_elementwise_isinf: {
         CGM.getHLSLRuntime().getRadiansIntrinsic(), ArrayRef<Value *>{Op0},
         nullptr, "hlsl.radians");
   }
-  case Builtin::BI__builtin_hlsl_buffer_update_counter: {
-    Value *ResHandle = EmitScalarExpr(E->getArg(0));
-    Value *Offset = EmitScalarExpr(E->getArg(1));
-    Value *OffsetI8 = Builder.CreateIntCast(Offset, Int8Ty, true);
-    return Builder.CreateIntrinsic(
-        /*ReturnType=*/Offset->getType(),
-        CGM.getHLSLRuntime().getBufferUpdateCounterIntrinsic(),
-        ArrayRef<Value *>{ResHandle, OffsetI8}, nullptr);
-  }
   case Builtin::BI__builtin_hlsl_elementwise_splitdouble: {
 
     assert((E->getArg(0)->getType()->hasFloatingRepresentation() &&

clang/lib/CodeGen/CGHLSLRuntime.h

@@ -102,7 +102,6 @@ class CGHLSLRuntime {
   GENERATE_HLSL_INTRINSIC_FUNCTION(UClamp, uclamp)
 
   GENERATE_HLSL_INTRINSIC_FUNCTION(CreateHandleFromBinding, handle_fromBinding)
-  GENERATE_HLSL_INTRINSIC_FUNCTION(BufferUpdateCounter, bufferUpdateCounter)
 
   //===----------------------------------------------------------------------===//
   // End of reserved area for HLSL intrinsic getters.