[clang] [llvm] [HLSL][DXIL] InterlockedOr and InterlockedOr64 builtins (PR #180804)

[Alexander Johnston via cfe-commits]

================
@@ -2017,5 +1840,87 @@ BuiltinTypeDeclBuilder::addGetDimensionsMethodForBuffer() {
       .finalize();
 }
 
+BuiltinTypeDeclBuilder &
+BuiltinTypeDeclBuilder::addInterlockedMethodsForBuffer() {
+  using PH = BuiltinTypeMethodBuilder::PlaceHolder;
+  ASTContext &AST = SemaRef.getASTContext();
+  QualType UIntTy = AST.UnsignedIntTy;
+  QualType IntTy = AST.IntTy;
+
+  BuiltinTypeMethodBuilder(*this, "InterlockedOr", AST.VoidTy)
+      .addParam("dest", UIntTy, HLSLParamModifierAttr::Keyword_in)
+      .addParam("value", UIntTy, HLSLParamModifierAttr::Keyword_in)
+      .callBuiltin("__builtin_hlsl_interlocked_or", QualType(), PH::Handle,
+                   PH::_0, PH::_1)
+      .finalize();
+
+  BuiltinTypeMethodBuilder(*this, "InterlockedOr", AST.VoidTy)
+      .addParam("dest", UIntTy, HLSLParamModifierAttr::Keyword_in)
+      .addParam("value", IntTy, HLSLParamModifierAttr::Keyword_in)
+      .callBuiltin("__builtin_hlsl_interlocked_or", QualType(), PH::Handle,
+                   PH::_0, PH::_1)
+      .finalize();
+
+  BuiltinTypeMethodBuilder(*this, "InterlockedOr", AST.VoidTy)
+      .addParam("dest", UIntTy, HLSLParamModifierAttr::Keyword_in)
+      .addParam("value", UIntTy, HLSLParamModifierAttr::Keyword_in)
+      .addParam("original_value", UIntTy, HLSLParamModifierAttr::Keyword_out)
+      .callBuiltin("__builtin_hlsl_interlocked_or_ret_uint", UIntTy, PH::Handle,
+                   PH::_0, PH::_1, PH::_2)
+      .finalize();
+
+  return BuiltinTypeMethodBuilder(*this, "InterlockedOr", AST.VoidTy)
+      .addParam("dest", UIntTy, HLSLParamModifierAttr::Keyword_in)
+      .addParam("value", IntTy, HLSLParamModifierAttr::Keyword_in)
+      .addParam("original_value", IntTy, HLSLParamModifierAttr::Keyword_out)
+      .callBuiltin("__builtin_hlsl_interlocked_or_ret_int", IntTy, PH::Handle,
+                   PH::_0, PH::_1, PH::_2)
+      .finalize();
+}
+
+BuiltinTypeDeclBuilder &
+BuiltinTypeDeclBuilder::addInterlocked64MethodsForBuffer() {
+  ASTContext &AST = SemaRef.getASTContext();
+  VersionTuple TargetVersion = AST.getTargetInfo().getTriple().getOSVersion();
+  bool IsDXIL = AST.getTargetInfo().getTriple().getArch() == llvm::Triple::dxil;
+  if (TargetVersion < VersionTuple(6, 6) && IsDXIL)
+    return *this;
+
+  using PH = BuiltinTypeMethodBuilder::PlaceHolder;
+  QualType UIntTy = AST.UnsignedIntTy;
+  QualType ULongTy = AST.UnsignedLongTy;
----------------
Alexander-Johnston wrote:

Yes, I noticed a little bit of inconsistency about this throughout the HLSL backend so checked the data model. I think I landed on Long because it was more commonly used but will go back and investigate again. I'd like if it were consistently LLP64 too.

https://github.com/llvm/llvm-project/pull/180804