[COFF, ARM64] Set the data type widths and the data layout string

Summary: COFF ARM64 is LLP64 platform. So int is 4 bytes, long is 4 bytes and long long is 8 bytes.

Reviewers: compnerd, ruiu, rnk, efriedma

Reviewed By: compnerd, efriedma

Subscribers: efriedma, javed.absar, cfe-commits, aemerson, llvm-commits, kristof.beyls

Differential Revision: https://reviews.llvm.org/D34859

llvm-svn: 308222

1 files changed, 14 insertions, 1 deletions

diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp
index cd840a15030..5d75aa5a752 100644
--- a/clang/lib/Basic/Targets.cpp
+++ b/clang/lib/Basic/Targets.cpp
@@ -6654,13 +6654,26 @@ public:
   MicrosoftARM64TargetInfo(const llvm::Triple &Triple,
                              const TargetOptions &Opts)
       : WindowsTargetInfo<AArch64leTargetInfo>(Triple, Opts), Triple(Triple) {
+
+    // This is an LLP64 platform.
+    // int:4, long:4, long long:8, long double:8.
     WCharType = UnsignedShort;
+    IntWidth = IntAlign = 32;
+    LongWidth = LongAlign = 32;
+    DoubleAlign = LongLongAlign = 64;
+    LongDoubleWidth = LongDoubleAlign = 64;
+    LongDoubleFormat = &llvm::APFloat::IEEEdouble();
+    IntMaxType = SignedLongLong;
+    Int64Type = SignedLongLong;
     SizeType = UnsignedLongLong;
+    PtrDiffType = SignedLongLong;
+    IntPtrType = SignedLongLong;
+
     TheCXXABI.set(TargetCXXABI::Microsoft);
   }
 
   void setDataLayout() override {
-    resetDataLayout("e-m:w-i64:64-i128:128-n32:64-S128");
+    resetDataLayout("e-m:w-p:64:64-i32:32-i64:64-i128:128-n32:64-S128");
   }
 
   void getVisualStudioDefines(const LangOptions &Opts,