commit c47460d98ff838189b86d29a663d7be0314b2633
author Fariborz Jahanian <fjahanian@apple.com> Fri Aug 14 00:01:54 2009 +0000
committer Fariborz Jahanian <fjahanian@apple.com> Fri Aug 14 00:01:54 2009 +0000
tree d43f3d5fa1b2d8f0a3878c9bd8c08ae123257e73
parent 3972a74de1cd62bca3adeace57d0531a17be8535

Fixed a bug in ir-gen for copy assignment synthesis.
Fixed a bug when evaluating those copy-assignments
which need by lazily syntheized. A test case
for these.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78965 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGCXX.cpp

diff --git a/lib/CodeGen/CGCXX.cpp b/lib/CodeGen/CGCXX.cpp
index 24e87f5..4460a25 100644
--- a/lib/CodeGen/CGCXX.cpp
+++ b/lib/CodeGen/CGCXX.cpp
@@ -1045,7 +1045,10 @@
     LValue RHS = EmitLValueForField(LoadOfSrc, *Field, false, 0);
     RValue RVRHS = EmitLoadOfLValue(RHS, FieldType);
     EmitStoreThroughLValue(RVRHS, LHS, FieldType);
-  }  
+  }
+  
+  // return *this;
+  Builder.CreateStore(LoadOfThis, ReturnValue);
   
   FinishFunction();
 }  

lib/CodeGen/CodeGenModule.cpp

diff --git a/lib/CodeGen/CodeGenModule.cpp b/lib/CodeGen/CodeGenModule.cpp
index c9e7e93..6a5700e 100644
--- a/lib/CodeGen/CodeGenModule.cpp
+++ b/lib/CodeGen/CodeGenModule.cpp
@@ -739,7 +739,9 @@
     CXXRecordDecl *BaseClassDecl
       = cast<CXXRecordDecl>(Base->getType()->getAs<RecordType>()->getDecl());
     const CXXMethodDecl *MD = 0;
-    if (BaseClassDecl->hasConstCopyAssignment(getContext(), MD))
+    if (!BaseClassDecl->hasTrivialCopyAssignment() &&
+        !BaseClassDecl->hasUserDeclaredCopyAssignment() &&
+        BaseClassDecl->hasConstCopyAssignment(getContext(), MD))
       GetAddrOfFunction(GlobalDecl(MD), 0);
   }
   
@@ -755,7 +757,9 @@
       CXXRecordDecl *FieldClassDecl
         = cast<CXXRecordDecl>(FieldClassType->getDecl());
       const CXXMethodDecl *MD = 0;
-      if (FieldClassDecl->hasConstCopyAssignment(getContext(), MD))
+      if (!FieldClassDecl->hasTrivialCopyAssignment() &&
+          !FieldClassDecl->hasUserDeclaredCopyAssignment() &&
+          FieldClassDecl->hasConstCopyAssignment(getContext(), MD))
           GetAddrOfFunction(GlobalDecl(MD), 0);
     }
   }