Add llvm::sys::getHostCPUName, for detecting the LLVM name for the host CPU.

 - This is an initial step towards -march=native support in Clang, and towards
   eliminating host dependencies in the targets. See PR5389.

 - Patch by Roman Divacky!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@88768 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/include/llvm/System/Host.h b/include/llvm/System/Host.h
index 3c6aa9d..6de1a4a 100644
--- a/include/llvm/System/Host.h
+++ b/include/llvm/System/Host.h
@@ -41,6 +41,12 @@ namespace sys {
   ///   CPU_TYPE-VENDOR-KERNEL-OPERATING_SYSTEM
   std::string getHostTriple();
 
+  /// getHostCPUName - Get the LLVM name for the host CPU. The particular format
+  /// of the name is target dependent, and suitable for passing as -mcpu to the
+  /// target which matches the host.
+  ///
+  /// \return - The host CPU name, or empty if the CPU could not be determined.
+  std::string getHostCPUName();
 }
 }