1 files changed, 103 insertions, 0 deletions
diff --git a/contrib/llvm-project/clang/lib/Basic/Targets/DirectX.h b/contrib/llvm-project/clang/lib/Basic/Targets/DirectX.h
new file mode 100644
index 000000000000..acfcc8c47ba9
--- /dev/null
+++ b/contrib/llvm-project/clang/lib/Basic/Targets/DirectX.h
@@ -0,0 +1,103 @@
+//===--- DirectX.h - Declare DirectX target feature support -----*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares DXIL TargetInfo objects.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H
+#define LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H
+#include "clang/Basic/TargetInfo.h"
+#include "clang/Basic/TargetOptions.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/TargetParser/Triple.h"
+
+namespace clang {
+namespace targets {
+
+static const unsigned DirectXAddrSpaceMap[] = {
+    0, // Default
+    1, // opencl_global
+    3, // opencl_local
+    2, // opencl_constant
+    0, // opencl_private
+    4, // opencl_generic
+    5, // opencl_global_device
+    6, // opencl_global_host
+    0, // cuda_device
+    0, // cuda_constant
+    0, // cuda_shared
+    // SYCL address space values for this map are dummy
+    0, // sycl_global
+    0, // sycl_global_device
+    0, // sycl_global_host
+    0, // sycl_local
+    0, // sycl_private
+    0, // ptr32_sptr
+    0, // ptr32_uptr
+    0, // ptr64
+    3, // hlsl_groupshared
+    // Wasm address space values for this target are dummy values,
+    // as it is only enabled for Wasm targets.
+    20, // wasm_funcref
+};
+
+class LLVM_LIBRARY_VISIBILITY DirectXTargetInfo : public TargetInfo {
+public:
+  DirectXTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
+      : TargetInfo(Triple) {
+    TLSSupported = false;
+    VLASupported = false;
+    LongWidth = LongAlign = 64;
+    AddrSpaceMap = &DirectXAddrSpaceMap;
+    UseAddrSpaceMapMangling = true;
+    HasLegalHalfType = true;
+    HasFloat16 = true;
+    NoAsmVariants = true;
+    PlatformMinVersion = Triple.getOSVersion();
+    PlatformName = llvm::Triple::getOSTypeName(Triple.getOS());
+    resetDataLayout("e-m:e-p:32:32-i1:32-i8:8-i16:16-i32:32-i64:64-f16:16-f32:"
+                    "32-f64:64-n8:16:32:64");
+    TheCXXABI.set(TargetCXXABI::Microsoft);
+  }
+  bool useFP16ConversionIntrinsics() const override { return false; }
+  void getTargetDefines(const LangOptions &Opts,
+                        MacroBuilder &Builder) const override;
+
+  bool hasFeature(StringRef Feature) const override {
+    return Feature == "directx";
+  }
+
+  ArrayRef<Builtin::Info> getTargetBuiltins() const override {
+    return std::nullopt;
+  }
+
+  std::string_view getClobbers() const override { return ""; }
+
+  ArrayRef<const char *> getGCCRegNames() const override {
+    return std::nullopt;
+  }
+
+  bool validateAsmConstraint(const char *&Name,
+                             TargetInfo::ConstraintInfo &info) const override {
+    return true;
+  }
+
+  ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
+    return std::nullopt;
+  }
+
+  BuiltinVaListKind getBuiltinVaListKind() const override {
+    return TargetInfo::VoidPtrBuiltinVaList;
+  }
+};
+
+} // namespace targets
+} // namespace clang
+
+#endif // LLVM_CLANG_LIB_BASIC_TARGETS_DIRECTX_H