commit a2ee433c8d99632419d4a13a66cc4d06eada4014
author Tim Northover <tnorthover@apple.com> Sat Mar 29 15:09:45 2014 +0000
committer Tim Northover <tnorthover@apple.com> Sat Mar 29 15:09:45 2014 +0000
tree e6ab2db8facbc4c5ed2fb11df260db8138572ace
parent af3698066a1ea2e5ab4cc08ae9a59620cf18adb7

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

clang/lib/AST/ASTContext.cpp

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 110ae38..edc7460 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -678,6 +678,7 @@
   switch (T.getCXXABI().getKind()) {
   case TargetCXXABI::GenericARM:
   case TargetCXXABI::iOS:
+  case TargetCXXABI::iOS64:
     return CreateARMCXXABI(*this);
   case TargetCXXABI::GenericAArch64: // Same as Itanium at this level
   case TargetCXXABI::GenericItanium:
@@ -7907,6 +7908,7 @@
   case TargetCXXABI::GenericItanium:
   case TargetCXXABI::GenericARM:
   case TargetCXXABI::iOS:
+  case TargetCXXABI::iOS64:
     return ItaniumMangleContext::create(*this, getDiagnostics());
   case TargetCXXABI::Microsoft:
     return MicrosoftMangleContext::create(*this, getDiagnostics());

clang/lib/AST/ItaniumMangle.cpp

diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp
index cec2461..27ba2be 100644
--- a/clang/lib/AST/ItaniumMangle.cpp
+++ b/clang/lib/AST/ItaniumMangle.cpp
@@ -2153,8 +2153,17 @@
   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 @@
     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 @@
   case BuiltinType::Int:
     return "Int32";
   case BuiltinType::Long:
+  case BuiltinType::LongLong:
     return "Int64";
   case BuiltinType::UChar:
     return "Uint8";
@@ -2203,6 +2214,7 @@
   case BuiltinType::UInt:
     return "Uint32";
   case BuiltinType::ULong:
+  case BuiltinType::ULongLong:
     return "Uint64";
   case BuiltinType::Half:
     return "Float16";
@@ -2262,10 +2274,12 @@
 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);