[clang] use mixin for aarch64 and x86_64 uefi

Author: RossComputerGuy

clang/lib/Basic/Targets.cpp

@@ -170,6 +170,10 @@ std::unique_ptr<TargetInfo> AllocateTarget(const llvm::Triple &Triple,
     case llvm::Triple::OpenBSD:
       return std::make_unique<OpenBSDTargetInfo<AArch64leTargetInfo>>(Triple,
                                                                       Opts);
+    case llvm::Triple::UEFI:
+      return std::make_unique<UEFITargetInfo<AArch64leTargetInfo>>(Triple,
+                                                                   Opts);
+
     case llvm::Triple::Win32:
       switch (Triple.getEnvironment()) {
       case llvm::Triple::GNU:
@@ -631,7 +635,7 @@ std::unique_ptr<TargetInfo> AllocateTarget(const llvm::Triple &Triple,
       return std::make_unique<SolarisTargetInfo<X86_64TargetInfo>>(Triple,
                                                                    Opts);
     case llvm::Triple::UEFI:
-      return std::make_unique<UEFIX86_64TargetInfo>(Triple, Opts);
+      return std::make_unique<UEFITargetInfo<X86_64TargetInfo>>(Triple, Opts);
 
     case llvm::Triple::Win32: {
       switch (Triple.getEnvironment()) {

clang/lib/Basic/Targets/OSTargets.h

@@ -13,6 +13,7 @@
 #define LLVM_CLANG_LIB_BASIC_TARGETS_OSTARGETS_H
 
 #include "Targets.h"
+#include "clang/Basic/TargetInfo.h"
 
 namespace clang {
 namespace targets {
@@ -806,6 +807,8 @@ class LLVM_LIBRARY_VISIBILITY ZOSTargetInfo : public OSTargetInfo<Target> {
 // UEFI target
 template <typename Target>
 class LLVM_LIBRARY_VISIBILITY UEFITargetInfo : public OSTargetInfo<Target> {
+  llvm::Triple Triple;
+
 protected:
   void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
                     MacroBuilder &Builder) const override {
@@ -814,11 +817,19 @@ class LLVM_LIBRARY_VISIBILITY UEFITargetInfo : public OSTargetInfo<Target> {
 
 public:
   UEFITargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
-      : OSTargetInfo<Target>(Triple, Opts) {
+      : OSTargetInfo<Target>(Triple, Opts), Triple(Triple) {
     this->WCharType = TargetInfo::UnsignedShort;
     this->WIntType = TargetInfo::UnsignedShort;
     this->UseMicrosoftManglingForC = true;
   }
+
+  TargetInfo::CallingConvKind
+  getCallingConvKind(bool ClangABICompat4) const override {
+    if (Triple.getArch() == llvm::Triple::x86_64)
+      return TargetInfo::CallingConvKind::CCK_MicrosoftWin64;
+
+    return Target::getCallingConvKind(ClangABICompat4);
+  }
 };
 
 void addWindowsDefines(const llvm::Triple &Triple, const LangOptions &Opts,

clang/lib/Basic/Targets/X86.h

@@ -829,38 +829,6 @@ class LLVM_LIBRARY_VISIBILITY X86_64TargetInfo : public X86TargetInfo {
   }
 };
 
-// x86-64 UEFI target
-class LLVM_LIBRARY_VISIBILITY UEFIX86_64TargetInfo
-    : public UEFITargetInfo<X86_64TargetInfo> {
-public:
-  UEFIX86_64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
-      : UEFITargetInfo<X86_64TargetInfo>(Triple, Opts) {
-    this->TheCXXABI.set(TargetCXXABI::Microsoft);
-    this->MaxTLSAlign = 8192u * this->getCharWidth();
-    this->resetDataLayout("e-m:w-p270:32:32-p271:32:32-p272:64:64-"
-                          "i64:64-i128:128-f80:128-n8:16:32:64-S128");
-  }
-
-  BuiltinVaListKind getBuiltinVaListKind() const override {
-    return TargetInfo::CharPtrBuiltinVaList;
-  }
-
-  CallingConvCheckResult checkCallingConvention(CallingConv CC) const override {
-    switch (CC) {
-    case CC_C:
-    case CC_Win64:
-      return CCCR_OK;
-    default:
-      return CCCR_Warning;
-    }
-  }
-
-  TargetInfo::CallingConvKind
-  getCallingConvKind(bool ClangABICompat4) const override {
-    return CCK_MicrosoftWin64;
-  }
-};
-
 // x86-64 Windows target
 class LLVM_LIBRARY_VISIBILITY WindowsX86_64TargetInfo
     : public WindowsTargetInfo<X86_64TargetInfo> {