From fa2e99f72f9bfe2270ea8caf76d0eef11c45259f Mon Sep 17 00:00:00 2001
From: Anders Carlsson <andersca@mac.com>
Date: Sat, 29 Jan 2011 20:24:48 +0000
Subject: [PATCH] Change CodeGenModule::setTypeVisibility to take a
 TypeVisibilityKind enum instead of an "IsForRTTI" flag.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@124546 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/CGRTTI.cpp        |  2 +-
 lib/CodeGen/CGVTT.cpp         |  2 +-
 lib/CodeGen/CGVTables.cpp     |  2 +-
 lib/CodeGen/CodeGenModule.cpp |  5 +++--
 lib/CodeGen/CodeGenModule.h   | 11 ++++++++++-
 5 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/lib/CodeGen/CGRTTI.cpp b/lib/CodeGen/CGRTTI.cpp
index 244bca8095..8ce465c59a 100644
--- a/lib/CodeGen/CGRTTI.cpp
+++ b/lib/CodeGen/CGRTTI.cpp
@@ -644,7 +644,7 @@ llvm::Constant *RTTIBuilder::BuildTypeInfo(QualType Ty, bool Force) {
   // compatibility.
   if (const RecordType *RT = dyn_cast<RecordType>(Ty))
     CGM.setTypeVisibility(GV, cast<CXXRecordDecl>(RT->getDecl()),
-                          /*ForRTTI=*/true);
+                          CodeGenModule::TVK_ForRTTI);
   else if (Hidden || 
            (CGM.getCodeGenOpts().HiddenWeakVTables &&
             Linkage == llvm::GlobalValue::LinkOnceODRLinkage)) {
diff --git a/lib/CodeGen/CGVTT.cpp b/lib/CodeGen/CGVTT.cpp
index fd8f576a04..604e4cb773 100644
--- a/lib/CodeGen/CGVTT.cpp
+++ b/lib/CodeGen/CGVTT.cpp
@@ -386,7 +386,7 @@ CodeGenVTables::EmitVTTDefinition(llvm::GlobalVariable *VTT,
   VTT->setLinkage(Linkage);
 
   // Set the right visibility.
-  CGM.setTypeVisibility(VTT, RD, /*ForRTTI=*/false);
+  CGM.setTypeVisibility(VTT, RD, CodeGenModule::TVK_ForVTT);
 }
 
 llvm::GlobalVariable *CodeGenVTables::GetAddrOfVTT(const CXXRecordDecl *RD) {
diff --git a/lib/CodeGen/CGVTables.cpp b/lib/CodeGen/CGVTables.cpp
index a3c39a8fef..c189e1d8ed 100644
--- a/lib/CodeGen/CGVTables.cpp
+++ b/lib/CodeGen/CGVTables.cpp
@@ -2976,7 +2976,7 @@ CodeGenVTables::EmitVTableDefinition(llvm::GlobalVariable *VTable,
   VTable->setLinkage(Linkage);
   
   // Set the right visibility.
-  CGM.setTypeVisibility(VTable, RD, /*ForRTTI=*/false);
+  CGM.setTypeVisibility(VTable, RD, CodeGenModule::TVK_ForVTable);
 }
 
 llvm::GlobalVariable *
diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index 66ac9fac5c..88de91afec 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -193,7 +193,7 @@ void CodeGenModule::setGlobalVisibility(llvm::GlobalValue *GV,
 /// associated with the given type.
 void CodeGenModule::setTypeVisibility(llvm::GlobalValue *GV,
                                       const CXXRecordDecl *RD,
-                                      bool IsForRTTI) const {
+                                      TypeVisibilityKind TVK) const {
   setGlobalVisibility(GV, RD);
 
   if (!CodeGenOpts.HiddenWeakVTables)
@@ -242,9 +242,10 @@ void CodeGenModule::setTypeVisibility(llvm::GlobalValue *GV,
   // If there's a key function, there may be translation units
   // that don't have the key function's definition.  But ignore
   // this if we're emitting RTTI under -fno-rtti.
-  if (!IsForRTTI || Features.RTTI)
+  if (!(TVK != TVK_ForRTTI) || Features.RTTI) {
     if (Context.getKeyFunction(RD))
       return;
+  }
 
   // Otherwise, drop the visibility to hidden.
   GV->setVisibility(llvm::GlobalValue::HiddenVisibility);
diff --git a/lib/CodeGen/CodeGenModule.h b/lib/CodeGen/CodeGenModule.h
index a56866ad55..8e29869f8f 100644
--- a/lib/CodeGen/CodeGenModule.h
+++ b/lib/CodeGen/CodeGenModule.h
@@ -261,10 +261,19 @@ public:
   /// GlobalValue.
   void setGlobalVisibility(llvm::GlobalValue *GV, const NamedDecl *D) const;
 
+  /// TypeVisibilityKind - The kind of global variable that is passed to 
+  /// setTypeVisibility
+  enum TypeVisibilityKind {
+    TVK_ForVTT,
+    TVK_ForVTable,
+    TVK_ForRTTI,
+    TVK_ForRTTIName
+  };
+
   /// setTypeVisibility - Set the visibility for the given global
   /// value which holds information about a type.
   void setTypeVisibility(llvm::GlobalValue *GV, const CXXRecordDecl *D,
-                         bool IsForRTTI) const;
+                         TypeVisibilityKind TVK) const;
 
   llvm::Constant *GetAddrOfGlobal(GlobalDecl GD) {
     if (isa<CXXConstructorDecl>(GD.getDecl()))
-- 
2.40.0