commit 925004703230ee5324b1cf20ba018d5ef4de8761
author Akira Hatanaka <ahatanaka@apple.com> Mon Jul 27 19:29:04 2015 +0000
committer Akira Hatanaka <ahatanaka@apple.com> Mon Jul 27 19:29:04 2015 +0000
tree 254b164301d48f8e1c56e8e9a1a21c06f2a80846
parent 6cfb894892c0ba0e635b2997ea0e5b31e1a64fad

[AArch64] Unconditionally pass subtarget feature reserve-x18 on Darwin.

After r243308, the front-end is responsible for checking the target OS and
passing reserve-x18 if the target is Darwin.

llvm-svn: 243310

clang/lib/Driver/Tools.cpp

diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp
index becd9ba..b2e8403 100644
--- a/clang/lib/Driver/Tools.cpp
+++ b/clang/lib/Driver/Tools.cpp
@@ -1927,7 +1927,9 @@
   return getAArch64MicroArchFeaturesFromMtune(D, CPU, Args, Features);
 }
 
-static void getAArch64TargetFeatures(const Driver &D, const ArgList &Args,
+static void getAArch64TargetFeatures(const Driver &D,
+                                     const llvm::Triple &Triple,
+                                     const ArgList &Args,
                                      std::vector<const char *> &Features) {
   Arg *A;
   bool success = true;
@@ -1968,7 +1970,7 @@
       Features.push_back("-crc");
   }
 
-  if (Args.hasArg(options::OPT_ffixed_x18))
+  if (Args.hasArg(options::OPT_ffixed_x18) || Triple.isOSDarwin())
     Features.push_back("+reserve-x18");
 }
 
@@ -2003,7 +2005,7 @@
     break;
   case llvm::Triple::aarch64:
   case llvm::Triple::aarch64_be:
-    getAArch64TargetFeatures(D, Args, Features);
+    getAArch64TargetFeatures(D, Triple, Args, Features);
     break;
   case llvm::Triple::x86:
   case llvm::Triple::x86_64: