From dc04cb328508e61aad809d9b53b12f9799a00e7d Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Fri, 9 Dec 2011 18:30:42 +0000
Subject: Vendor import of clang 3.0 final release:
 http://llvm.org/svn/llvm-project/cfe/tags/RELEASE_30/final@145349

---
 lib/CodeGen/CGObjCGNU.cpp | 42 ++++++++++++++++++++++--------------------
 1 file changed, 22 insertions(+), 20 deletions(-)

(limited to 'lib/CodeGen/CGObjCGNU.cpp')

diff --git a/lib/CodeGen/CGObjCGNU.cpp b/lib/CodeGen/CGObjCGNU.cpp
index d3da649..688e992 100644
--- a/lib/CodeGen/CGObjCGNU.cpp
+++ b/lib/CodeGen/CGObjCGNU.cpp
@@ -538,11 +538,12 @@ protected:
                                  llvm::Value *cmd,
                                  llvm::MDNode *node) {
     CGBuilderTy &Builder = CGF.Builder;
-    llvm::Value *imp = Builder.CreateCall2(MsgLookupFn, 
-            EnforceType(Builder, Receiver, IdTy),
-            EnforceType(Builder, cmd, SelectorTy));
-    cast<llvm::CallInst>(imp)->setMetadata(msgSendMDKind, node);
-    return imp;
+    llvm::Value *args[] = {
+      EnforceType(Builder, Receiver, IdTy),
+      EnforceType(Builder, cmd, SelectorTy) };
+    llvm::CallSite imp = CGF.EmitCallOrInvoke(MsgLookupFn, args);
+    imp->setMetadata(msgSendMDKind, node);
+    return imp.getInstruction();
   }
   virtual llvm::Value *LookupIMPSuper(CodeGenFunction &CGF,
                                       llvm::Value *ObjCSuper,
@@ -597,16 +598,17 @@ class CGObjCGNUstep : public CGObjCGNU {
       // The lookup function is guaranteed not to capture the receiver pointer.
       LookupFn->setDoesNotCapture(1);
 
-      llvm::CallInst *slot =
-          Builder.CreateCall3(LookupFn,
-              EnforceType(Builder, ReceiverPtr, PtrToIdTy),
-              EnforceType(Builder, cmd, SelectorTy),
-              EnforceType(Builder, self, IdTy));
-      slot->setOnlyReadsMemory();
+      llvm::Value *args[] = {
+        EnforceType(Builder, ReceiverPtr, PtrToIdTy),
+        EnforceType(Builder, cmd, SelectorTy),
+        EnforceType(Builder, self, IdTy) };
+      llvm::CallSite slot = CGF.EmitCallOrInvoke(LookupFn, args);
+      slot.setOnlyReadsMemory();
       slot->setMetadata(msgSendMDKind, node);
 
       // Load the imp from the slot
-      llvm::Value *imp = Builder.CreateLoad(Builder.CreateStructGEP(slot, 4));
+      llvm::Value *imp =
+        Builder.CreateLoad(Builder.CreateStructGEP(slot.getInstruction(), 4));
 
       // The lookup function may have changed the receiver, so make sure we use
       // the new one.
@@ -1361,8 +1363,8 @@ llvm::Constant *CGObjCGNU::GenerateClassStructure(
       LongTy,                 // abi_version
       IvarOffsets->getType(), // ivar_offsets
       Properties->getType(),  // properties
-      Int64Ty,                // strong_pointers
-      Int64Ty,                // weak_pointers
+      IntPtrTy,               // strong_pointers
+      IntPtrTy,               // weak_pointers
       NULL);
   llvm::Constant *Zero = llvm::ConstantInt::get(LongTy, 0);
   // Fill in the structure
@@ -1723,12 +1725,14 @@ void CGObjCGNU::GenerateProtocolHolderCategory(void) {
 /// bitfield / with the 63rd bit set will be 1<<64.
 llvm::Constant *CGObjCGNU::MakeBitField(llvm::SmallVectorImpl<bool> &bits) {
   int bitCount = bits.size();
-  if (bitCount < 64) {
+  int ptrBits =
+        (TheModule.getPointerSize() == llvm::Module::Pointer32) ? 32 : 64;
+  if (bitCount < ptrBits) {
     uint64_t val = 1;
     for (int i=0 ; i<bitCount ; ++i) {
       if (bits[i]) val |= 1ULL<<(i+1);
     }
-    return llvm::ConstantInt::get(Int64Ty, val);
+    return llvm::ConstantInt::get(IntPtrTy, val);
   }
   llvm::SmallVector<llvm::Constant*, 8> values;
   int v=0;
@@ -1748,8 +1752,6 @@ llvm::Constant *CGObjCGNU::MakeBitField(llvm::SmallVectorImpl<bool> &bits) {
   llvm::Constant *GS = MakeGlobal(llvm::StructType::get(Int32Ty, arrayTy,
         NULL), fields);
   llvm::Constant *ptr = llvm::ConstantExpr::getPtrToInt(GS, IntPtrTy);
-  if (IntPtrTy != Int64Ty)
-    ptr = llvm::ConstantExpr::getZExt(ptr, Int64Ty);
   return ptr;
 }
 
@@ -2073,12 +2075,12 @@ void CGObjCGNU::GenerateClass(const ObjCImplementationDecl *OID) {
       }
       ++ivarIndex;
   }
-  llvm::Constant *Zero64 = llvm::ConstantInt::get(Int64Ty, 0);
+  llvm::Constant *ZeroPtr = llvm::ConstantInt::get(IntPtrTy, 0);
   //Generate metaclass for class methods
   llvm::Constant *MetaClassStruct = GenerateClassStructure(NULLPtr,
       NULLPtr, 0x12L, ClassName.c_str(), 0, Zeros[0], GenerateIvarList(
         empty, empty, empty), ClassMethodList, NULLPtr,
-      NULLPtr, NULLPtr, Zero64, Zero64, true);
+      NULLPtr, NULLPtr, ZeroPtr, ZeroPtr, true);
 
   // Generate the class structure
   llvm::Constant *ClassStruct =
-- 
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