r306489 - [COFF, ARM64] Add support for Windows ARM64 COFF format

[Mandeep Singh Grang via cfe-commits]

Author: mgrang
Date: Tue Jun 27 16:56:34 2017
New Revision: 306489

URL: http://llvm.org/viewvc/llvm-project?rev=306489&view=rev
Log:
[COFF, ARM64] Add support for Windows ARM64 COFF format

Summary: This is the clang part of the initial implementation to support Windows ARM64 COFF format.

Reviewers: ruiu, t.p.northover, rnk, compnerd

Reviewed By: ruiu, compnerd

Subscribers: aemerson, kristof.beyls, cfe-commits, llvm-commits

Differential Revision: https://reviews.llvm.org/D34706

Modified:
    cfe/trunk/lib/Basic/Targets.cpp
    cfe/trunk/test/Preprocessor/predefined-macros.c

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=306489&r1=306488&r2=306489&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Tue Jun 27 16:56:34 2017
@@ -6550,6 +6550,43 @@ public:
   }
 };
 
+class MicrosoftARM64TargetInfo
+    : public WindowsTargetInfo<AArch64leTargetInfo> {
+  const llvm::Triple Triple;
+
+public:
+  MicrosoftARM64TargetInfo(const llvm::Triple &Triple,
+                             const TargetOptions &Opts)
+      : WindowsTargetInfo<AArch64leTargetInfo>(Triple, Opts), Triple(Triple) {
+    WCharType = UnsignedShort;
+    SizeType = UnsignedLongLong;
+    TheCXXABI.set(TargetCXXABI::Microsoft);
+  }
+
+  void setDataLayout() override {
+    resetDataLayout("e-m:w-i64:64-i128:128-n32:64-S128");
+  }
+
+  void getVisualStudioDefines(const LangOptions &Opts,
+                              MacroBuilder &Builder) const {
+    WindowsTargetInfo<AArch64leTargetInfo>::getVisualStudioDefines(Opts,
+                                                                   Builder);
+    Builder.defineMacro("_WIN32", "1");
+    Builder.defineMacro("_WIN64", "1");
+    Builder.defineMacro("_M_ARM64", "1");
+  }
+
+  void getTargetDefines(const LangOptions &Opts,
+                        MacroBuilder &Builder) const override {
+    WindowsTargetInfo::getTargetDefines(Opts, Builder);
+    getVisualStudioDefines(Opts, Builder);
+  }
+
+  BuiltinVaListKind getBuiltinVaListKind() const override {
+    return TargetInfo::CharPtrBuiltinVaList;
+  }
+};
+
 class AArch64beTargetInfo : public AArch64TargetInfo {
   void setDataLayout() override {
     assert(!getTriple().isOSBinFormatMachO());
@@ -9406,6 +9443,8 @@ static TargetInfo *AllocateTarget(const
       return new NetBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
     case llvm::Triple::OpenBSD:
       return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
+    case llvm::Triple::Win32:
+      return new MicrosoftARM64TargetInfo(Triple, Opts);
     default:
       return new AArch64leTargetInfo(Triple, Opts);
     }

Modified: cfe/trunk/test/Preprocessor/predefined-macros.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/predefined-macros.c?rev=306489&r1=306488&r2=306489&view=diff
==============================================================================
--- cfe/trunk/test/Preprocessor/predefined-macros.c (original)
+++ cfe/trunk/test/Preprocessor/predefined-macros.c Tue Jun 27 16:56:34 2017
@@ -185,3 +185,9 @@
 // CHECK-CL20-NOT: #define __FAST_RELAXED_MATH__ 1
 // CHECK-FRM: #define __FAST_RELAXED_MATH__ 1
 
+// RUN: %clang_cc1 -triple aarch64-windows %s -E -dM -o - -x cl \
+// RUN:   | FileCheck -match-full-lines %s --check-prefix=CHECK-ARM64-WIN
+
+// CHECK-ARM64-WIN: #define _M_ARM64 1
+// CHECK-ARM64-WIN: #define _WIN32 1
+// CHECK-ARM64-WIN: #define _WIN64 1