vendor/llvm/llvm-trunk-r300422

1 files changed, 32 insertions, 0 deletions

diff --git a/lib/IR/Mangler.cpp b/lib/IR/Mangler.cpp
index 41e11b3945e4..03723bfd2ddb 100644
--- a/lib/IR/Mangler.cpp
+++ b/lib/IR/Mangler.cpp
@@ -13,6 +13,7 @@
 
 #include "llvm/IR/Mangler.h"
 #include "llvm/ADT/SmallString.h"
+#include "llvm/ADT/Triple.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/DerivedTypes.h"
@@ -172,3 +173,34 @@ void Mangler::getNameWithPrefix(SmallVectorImpl<char> &OutName,
   raw_svector_ostream OS(OutName);
   getNameWithPrefix(OS, GV, CannotUsePrivateLabel);
 }
+
+void llvm::emitLinkerFlagsForGlobalCOFF(raw_ostream &OS, const GlobalValue *GV,
+                                        const Triple &TT, Mangler &Mangler) {
+  if (!GV->hasDLLExportStorageClass() || GV->isDeclaration())
+    return;
+
+  if (TT.isKnownWindowsMSVCEnvironment())
+    OS << " /EXPORT:";
+  else
+    OS << " -export:";
+
+  if (TT.isWindowsGNUEnvironment() || TT.isWindowsCygwinEnvironment()) {
+    std::string Flag;
+    raw_string_ostream FlagOS(Flag);
+    Mangler.getNameWithPrefix(FlagOS, GV, false);
+    FlagOS.flush();
+    if (Flag[0] == GV->getParent()->getDataLayout().getGlobalPrefix())
+      OS << Flag.substr(1);
+    else
+      OS << Flag;
+  } else {
+    Mangler.getNameWithPrefix(OS, GV, false);
+  }
+
+  if (!GV->getValueType()->isFunctionTy()) {
+    if (TT.isKnownWindowsMSVCEnvironment())
+      OS << ",DATA";
+    else
+      OS << ",data";
+  }
+}