[AArch64] Add support for a MinGW AArch64 target

Differential Revision: https://reviews.llvm.org/D36364

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@310798 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 9946f82405..3c1c08bb05 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -142,7 +142,13 @@ TargetInfo *AllocateTarget(const llvm::Triple &Triple,
     case llvm::Triple::OpenBSD:
       return new OpenBSDTargetInfo<AArch64leTargetInfo>(Triple, Opts);
     case llvm::Triple::Win32:
-      return new MicrosoftARM64TargetInfo(Triple, Opts);
+      switch (Triple.getEnvironment()) {
+      case llvm::Triple::GNU:
+        return new MinGWARM64TargetInfo(Triple, Opts);
+      case llvm::Triple::MSVC:
+      default: // Assume MSVC for unknown environments
+        return new MicrosoftARM64TargetInfo(Triple, Opts);
+      }
     default:
       return new AArch64leTargetInfo(Triple, Opts);
     }