From a9ad60c412327bc124258d4b9926436087e68ac4 Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Fri, 10 Jan 2014 13:42:12 +0000
Subject: [PATCH] Use 'w' instead of 'c' to represent the win32 mangling.

This change was requested to avoid confusion if we ever support non windows coff
systems.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198938 91177308-0d34-0410-b5e6-96231b3b80d8
---
 docs/LangRef.rst             |  2 +-
 include/llvm/IR/DataLayout.h |  8 ++++----
 lib/IR/DataLayout.cpp        | 10 +++++-----
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/docs/LangRef.rst b/docs/LangRef.rst
index d4a7725d1fd..ffe3f09d83b 100644
--- a/docs/LangRef.rst
+++ b/docs/LangRef.rst
@@ -1165,7 +1165,7 @@ as follows:
    * ``m``: Mips mangling: Private symbols get a ``$`` prefix.
    * ``o``: Mach-O mangling: Private symbols get ``L`` prefix. Other
     symbols get a ``_`` prefix.
-   * ``c``:  COFF prefix:  Similar to Mach-O, but stdcall and fastcall
+   * ``w``: Windows COFF prefix:  Similar to Mach-O, but stdcall and fastcall
   functions also get a suffix based on the frame size.
 ``n<size1>:<size2>:<size3>...``
     This specifies a set of native integer widths for the target CPU in
diff --git a/include/llvm/IR/DataLayout.h b/include/llvm/IR/DataLayout.h
index 9ffa056355d..acd3d825550 100644
--- a/include/llvm/IR/DataLayout.h
+++ b/include/llvm/IR/DataLayout.h
@@ -104,7 +104,7 @@ private:
     MM_None,
     MM_ELF,
     MM_MachO,
-    MM_COFF,
+    MM_WINCOFF,
     MM_Mips
   };
   ManglingModeT ManglingMode;
@@ -234,7 +234,7 @@ public:
   }
 
   bool hasMicrosoftFastStdCallMangling() const {
-    return ManglingMode == MM_COFF;
+    return ManglingMode == MM_WINCOFF;
   }
 
   bool hasLinkerPrivateGlobalPrefix() const {
@@ -254,7 +254,7 @@ public:
     case MM_Mips:
       return '\0';
     case MM_MachO:
-    case MM_COFF:
+    case MM_WINCOFF:
       return '_';
     }
     llvm_unreachable("invalid mangling mode");
@@ -269,7 +269,7 @@ public:
     case MM_Mips:
       return "$";
     case MM_MachO:
-    case MM_COFF:
+    case MM_WINCOFF:
       return "L";
     }
     llvm_unreachable("invalid mangling mode");
diff --git a/lib/IR/DataLayout.cpp b/lib/IR/DataLayout.cpp
index 6f32be08c5b..7df867279b2 100644
--- a/lib/IR/DataLayout.cpp
+++ b/lib/IR/DataLayout.cpp
@@ -159,7 +159,7 @@ const char *DataLayout::getManglingComponent(const Triple &T) {
   if (T.isOSBinFormatELF() || T.isArch64Bit())
     return "-m:e";
   assert(T.isOSBinFormatCOFF());
-  return "-m:c";
+  return "-m:w";
 }
 
 static const LayoutAlignElem DefaultAlignments[] = {
@@ -334,8 +334,8 @@ void DataLayout::parseSpecifier(StringRef Desc) {
       case 'm':
         ManglingMode = MM_Mips;
         break;
-      case 'c':
-        ManglingMode = MM_COFF;
+      case 'w':
+        ManglingMode = MM_WINCOFF;
         break;
       }
       break;
@@ -525,8 +525,8 @@ std::string DataLayout::getStringRepresentation() const {
   case MM_MachO:
     OS << "-m:o";
     break;
-  case MM_COFF:
-    OS << "-m:c";
+  case MM_WINCOFF:
+    OS << "-m:w";
     break;
   case MM_Mips:
     OS << "-m:m";
-- 
2.34.1