1 files changed, 102 insertions, 0 deletions

diff --git a/contrib/llvm-project/llvm/lib/Support/ARMBuildAttrs.cpp b/contrib/llvm-project/llvm/lib/Support/ARMBuildAttrs.cpp
new file mode 100644
index 000000000000..d0c4fb792cb8
--- /dev/null
+++ b/contrib/llvm-project/llvm/lib/Support/ARMBuildAttrs.cpp
@@ -0,0 +1,102 @@
+//===-- ARMBuildAttrs.cpp - ARM Build Attributes --------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/ARMBuildAttributes.h"
+
+using namespace llvm;
+
+namespace {
+const struct {
+  ARMBuildAttrs::AttrType Attr;
+  StringRef TagName;
+} ARMAttributeTags[] = {
+  { ARMBuildAttrs::File, "Tag_File" },
+  { ARMBuildAttrs::Section, "Tag_Section" },
+  { ARMBuildAttrs::Symbol, "Tag_Symbol" },
+  { ARMBuildAttrs::CPU_raw_name, "Tag_CPU_raw_name" },
+  { ARMBuildAttrs::CPU_name, "Tag_CPU_name" },
+  { ARMBuildAttrs::CPU_arch, "Tag_CPU_arch" },
+  { ARMBuildAttrs::CPU_arch_profile, "Tag_CPU_arch_profile" },
+  { ARMBuildAttrs::ARM_ISA_use, "Tag_ARM_ISA_use" },
+  { ARMBuildAttrs::THUMB_ISA_use, "Tag_THUMB_ISA_use" },
+  { ARMBuildAttrs::FP_arch, "Tag_FP_arch" },
+  { ARMBuildAttrs::WMMX_arch, "Tag_WMMX_arch" },
+  { ARMBuildAttrs::Advanced_SIMD_arch, "Tag_Advanced_SIMD_arch" },
+  { ARMBuildAttrs::MVE_arch, "Tag_MVE_arch" },
+  { ARMBuildAttrs::PCS_config, "Tag_PCS_config" },
+  { ARMBuildAttrs::ABI_PCS_R9_use, "Tag_ABI_PCS_R9_use" },
+  { ARMBuildAttrs::ABI_PCS_RW_data, "Tag_ABI_PCS_RW_data" },
+  { ARMBuildAttrs::ABI_PCS_RO_data, "Tag_ABI_PCS_RO_data" },
+  { ARMBuildAttrs::ABI_PCS_GOT_use, "Tag_ABI_PCS_GOT_use" },
+  { ARMBuildAttrs::ABI_PCS_wchar_t, "Tag_ABI_PCS_wchar_t" },
+  { ARMBuildAttrs::ABI_FP_rounding, "Tag_ABI_FP_rounding" },
+  { ARMBuildAttrs::ABI_FP_denormal, "Tag_ABI_FP_denormal" },
+  { ARMBuildAttrs::ABI_FP_exceptions, "Tag_ABI_FP_exceptions" },
+  { ARMBuildAttrs::ABI_FP_user_exceptions, "Tag_ABI_FP_user_exceptions" },
+  { ARMBuildAttrs::ABI_FP_number_model, "Tag_ABI_FP_number_model" },
+  { ARMBuildAttrs::ABI_align_needed, "Tag_ABI_align_needed" },
+  { ARMBuildAttrs::ABI_align_preserved, "Tag_ABI_align_preserved" },
+  { ARMBuildAttrs::ABI_enum_size, "Tag_ABI_enum_size" },
+  { ARMBuildAttrs::ABI_HardFP_use, "Tag_ABI_HardFP_use" },
+  { ARMBuildAttrs::ABI_VFP_args, "Tag_ABI_VFP_args" },
+  { ARMBuildAttrs::ABI_WMMX_args, "Tag_ABI_WMMX_args" },
+  { ARMBuildAttrs::ABI_optimization_goals, "Tag_ABI_optimization_goals" },
+  { ARMBuildAttrs::ABI_FP_optimization_goals, "Tag_ABI_FP_optimization_goals" },
+  { ARMBuildAttrs::compatibility, "Tag_compatibility" },
+  { ARMBuildAttrs::CPU_unaligned_access, "Tag_CPU_unaligned_access" },
+  { ARMBuildAttrs::FP_HP_extension, "Tag_FP_HP_extension" },
+  { ARMBuildAttrs::ABI_FP_16bit_format, "Tag_ABI_FP_16bit_format" },
+  { ARMBuildAttrs::MPextension_use, "Tag_MPextension_use" },
+  { ARMBuildAttrs::DIV_use, "Tag_DIV_use" },
+  { ARMBuildAttrs::DSP_extension, "Tag_DSP_extension" },
+  { ARMBuildAttrs::nodefaults, "Tag_nodefaults" },
+  { ARMBuildAttrs::also_compatible_with, "Tag_also_compatible_with" },
+  { ARMBuildAttrs::T2EE_use, "Tag_T2EE_use" },
+  { ARMBuildAttrs::conformance, "Tag_conformance" },
+  { ARMBuildAttrs::Virtualization_use, "Tag_Virtualization_use" },
+
+  // Legacy Names
+  { ARMBuildAttrs::FP_arch, "Tag_VFP_arch" },
+  { ARMBuildAttrs::FP_HP_extension, "Tag_VFP_HP_extension" },
+  { ARMBuildAttrs::ABI_align_needed, "Tag_ABI_align8_needed" },
+  { ARMBuildAttrs::ABI_align_preserved, "Tag_ABI_align8_preserved" },
+};
+}
+
+namespace llvm {
+namespace ARMBuildAttrs {
+StringRef AttrTypeAsString(unsigned Attr, bool HasTagPrefix) {
+  return AttrTypeAsString(static_cast<AttrType>(Attr), HasTagPrefix);
+}
+
+StringRef AttrTypeAsString(AttrType Attr, bool HasTagPrefix) {
+  for (unsigned TI = 0, TE = sizeof(ARMAttributeTags) / sizeof(*ARMAttributeTags);
+       TI != TE; ++TI)
+    if (ARMAttributeTags[TI].Attr == Attr) {
+      auto TagName = ARMAttributeTags[TI].TagName;
+      return HasTagPrefix ? TagName : TagName.drop_front(4);
+    }
+  return "";
+}
+
+int AttrTypeFromString(StringRef Tag) {
+  bool HasTagPrefix = Tag.startswith("Tag_");
+  for (unsigned TI = 0,
+                TE = sizeof(ARMAttributeTags) / sizeof(*ARMAttributeTags);
+       TI != TE; ++TI) {
+    auto TagName = ARMAttributeTags[TI].TagName;
+    if (TagName.drop_front(HasTagPrefix ? 0 : 4) == Tag) {
+      return ARMAttributeTags[TI].Attr;
+    }
+  }
+  return -1;
+}
+}
+}
+