From: David Majnemer <david.majnemer@gmail.com>
Date: Tue, 17 Mar 2015 23:55:00 +0000 (+0000)
Subject: Basic: Update clang to reflect changes made to LLVM datalayout
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=38fa1a68d5665bc3ac8e271c304f292383a7fef6;p=clang

Basic: Update clang to reflect changes made to LLVM datalayout

We now give x86-64 COFF targets a different mangling code, update clang
to use it.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@232571 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index edabdcf723..90cef3793a 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -3452,7 +3452,7 @@ public:
       : WindowsTargetInfo<X86_32TargetInfo>(Triple) {
     WCharType = UnsignedShort;
     DoubleAlign = LongLongAlign = 64;
-    DescriptionString = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32";
+    DescriptionString = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-S32";
   }
   void getTargetDefines(const LangOptions &Opts,
                         MacroBuilder &Builder) const override {
@@ -3533,7 +3533,7 @@ public:
     TLSSupported = false;
     WCharType = UnsignedShort;
     DoubleAlign = LongLongAlign = 64;
-    DescriptionString = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32";
+    DescriptionString = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-S32";
   }
   void getTargetDefines(const LangOptions &Opts,
                         MacroBuilder &Builder) const override {
@@ -3629,6 +3629,8 @@ class X86_64TargetInfo : public X86TargetInfo {
 public:
   X86_64TargetInfo(const llvm::Triple &Triple) : X86TargetInfo(Triple) {
     const bool IsX32 = getTriple().getEnvironment() == llvm::Triple::GNUX32;
+    bool IsWinCOFF =
+        getTriple().isOSWindows() && getTriple().isOSBinFormatCOFF();
     LongWidth = LongAlign = PointerWidth = PointerAlign = IsX32 ? 32 : 64;
     LongDoubleWidth = 128;
     LongDoubleAlign = 128;
@@ -3643,9 +3645,10 @@ public:
     RegParmMax = 6;
 
     // Pointers are 32-bit in x32.
-    DescriptionString = (IsX32)
-                            ? "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128"
-                            : "e-m:e-i64:64-f80:128-n8:16:32:64-S128";
+    DescriptionString = IsX32 ? "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128"
+                              : IsWinCOFF
+                                    ? "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
+                                    : "e-m:e-i64:64-f80:128-n8:16:32:64-S128";
 
     // Use fpret only for long double.
     RealTypeUsesObjCFPRet = (1 << TargetInfo::LongDouble);
@@ -3930,10 +3933,9 @@ class ARMTargetInfo : public TargetInfo {
           BigEndian ? "E-m:o-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
                     : "e-m:o-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64";
     } else if (T.isOSWindows()) {
-      // FIXME: this is invalid for WindowsCE
       assert(!BigEndian && "Windows on ARM does not support big endian");
       DescriptionString = "e"
-                          "-m:e"
+                          "-m:w"
                           "-p:32:32"
                           "-i64:64"
                           "-v128:64:128"
diff --git a/test/CodeGen/target-data.c b/test/CodeGen/target-data.c
index 2f1c971ea4..4cb717606f 100644
--- a/test/CodeGen/target-data.c
+++ b/test/CodeGen/target-data.c
@@ -8,11 +8,11 @@
 
 // RUN: %clang_cc1 -triple i686-unknown-win32 -emit-llvm -o - %s | \
 // RUN:     FileCheck --check-prefix=I686-WIN32 %s
-// I686-WIN32: target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
+// I686-WIN32: target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-S32"
 
 // RUN: %clang_cc1 -triple i686-unknown-cygwin -emit-llvm -o - %s | \
 // RUN:     FileCheck --check-prefix=I686-CYGWIN %s
-// I686-CYGWIN: target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
+// I686-CYGWIN: target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-S32"
 
 // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | \
 // RUN:     FileCheck --check-prefix=X86_64 %s