1 files changed, 53 insertions, 87 deletions
diff --git a/llvm/lib/Support/ARMBuildAttrs.cpp b/llvm/lib/Support/ARMBuildAttrs.cpp
index d0c4fb792cb8..5aaf0a4e7c62 100644
--- a/llvm/lib/Support/ARMBuildAttrs.cpp
+++ b/llvm/lib/Support/ARMBuildAttrs.cpp
@@ -6,97 +6,63 @@
 //
 //===----------------------------------------------------------------------===//
 
-#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" },
+static const TagNameItem tagData[] = {
+    {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" },
+    // 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;
-}
-}
-}
 
+const TagNameMap llvm::ARMBuildAttrs::ARMAttributeTags(tagData,
+                                                       sizeof(tagData) /
+                                                           sizeof(TagNameItem));