1 files changed, 10 insertions, 2 deletions
diff --git a/include/llvm/Support/Host.h b/include/llvm/Support/Host.h
index 9df584c68c0d..89986fdae971 100644
--- a/include/llvm/Support/Host.h
+++ b/include/llvm/Support/Host.h
@@ -15,6 +15,7 @@
 #define LLVM_SUPPORT_HOST_H
 
 #include "llvm/ADT/StringMap.h"
+#include "llvm/Support/MemoryBuffer.h"
 
 #if defined(__linux__) || defined(__GNU__) || defined(__HAIKU__)
 #include <endian.h>
@@ -32,9 +33,9 @@ namespace llvm {
 namespace sys {
 
 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
-  static const bool IsBigEndianHost = true;
+constexpr bool IsBigEndianHost = true;
 #else
-  static const bool IsBigEndianHost = false;
+constexpr bool IsBigEndianHost = false;
 #endif
 
   static const bool IsLittleEndianHost = !IsBigEndianHost;
@@ -75,6 +76,13 @@ namespace sys {
   /// from thread::hardware_concurrency(), which includes hyperthreads).
   /// Returns -1 if unknown for the current host system.
   int getHostNumPhysicalCores();
+
+  namespace detail {
+  /// Helper functions to extract HostCPUName from /proc/cpuinfo on linux.
+  StringRef getHostCPUNameForPowerPC(const StringRef &ProcCpuinfoContent);
+  StringRef getHostCPUNameForARM(const StringRef &ProcCpuinfoContent);
+  StringRef getHostCPUNameForS390x(const StringRef &ProcCpuinfoContent);
+  }
 }
 }