ARM64: initial clang support commit.

This adds Clang support for the ARM64 backend. There are definitely
still some rough edges, so please bring up any issues you see with
this patch.

As with the LLVM commit though, we think it'll be more useful for
merging with AArch64 from within the tree.

llvm-svn: 205100

1 files changed, 18 insertions, 4 deletions

diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp
index cec24615ebd..27ba2bef674 100644
--- a/clang/lib/AST/ItaniumMangle.cpp
+++ b/clang/lib/AST/ItaniumMangle.cpp
@@ -2153,8 +2153,17 @@ void CXXNameMangler::mangleNeonVectorType(const VectorType *T) {
   const char *EltName = 0;
   if (T->getVectorKind() == VectorType::NeonPolyVector) {
     switch (cast<BuiltinType>(EltType)->getKind()) {
-    case BuiltinType::SChar:     EltName = "poly8_t"; break;
-    case BuiltinType::Short:     EltName = "poly16_t"; break;
+    case BuiltinType::SChar:
+    case BuiltinType::UChar:
+      EltName = "poly8_t";
+      break;
+    case BuiltinType::Short:
+    case BuiltinType::UShort:
+      EltName = "poly16_t";
+      break;
+    case BuiltinType::ULongLong:
+      EltName = "poly64_t";
+      break;
     default: llvm_unreachable("unexpected Neon polynomial vector element type");
     }
   } else {
@@ -2167,6 +2176,7 @@ void CXXNameMangler::mangleNeonVectorType(const VectorType *T) {
     case BuiltinType::UInt:      EltName = "uint32_t"; break;
     case BuiltinType::LongLong:  EltName = "int64_t"; break;
     case BuiltinType::ULongLong: EltName = "uint64_t"; break;
+    case BuiltinType::Double:    EltName = "float64_t"; break;
     case BuiltinType::Float:     EltName = "float32_t"; break;
     case BuiltinType::Half:      EltName = "float16_t";break;
     default:
@@ -2195,6 +2205,7 @@ static StringRef mangleAArch64VectorBase(const BuiltinType *EltType) {
   case BuiltinType::Int:
     return "Int32";
   case BuiltinType::Long:
+  case BuiltinType::LongLong:
     return "Int64";
   case BuiltinType::UChar:
     return "Uint8";
@@ -2203,6 +2214,7 @@ static StringRef mangleAArch64VectorBase(const BuiltinType *EltType) {
   case BuiltinType::UInt:
     return "Uint32";
   case BuiltinType::ULong:
+  case BuiltinType::ULongLong:
     return "Uint64";
   case BuiltinType::Half:
     return "Float16";
@@ -2262,10 +2274,12 @@ void CXXNameMangler::mangleAArch64NeonVectorType(const VectorType *T) {
 void CXXNameMangler::mangleType(const VectorType *T) {
   if ((T->getVectorKind() == VectorType::NeonVector ||
        T->getVectorKind() == VectorType::NeonPolyVector)) {
+    llvm::Triple Target = getASTContext().getTargetInfo().getTriple();
     llvm::Triple::ArchType Arch =
         getASTContext().getTargetInfo().getTriple().getArch();
-    if ((Arch == llvm::Triple::aarch64) ||
-        (Arch == llvm::Triple::aarch64_be))
+    if (Arch == llvm::Triple::aarch64 ||
+        Arch == llvm::Triple::aarch64_be ||
+        (Arch == llvm::Triple::arm64 && !Target.isOSDarwin()))
       mangleAArch64NeonVectorType(T);
     else
       mangleNeonVectorType(T);