[cfe-commits] r82664 - in /cfe/trunk: lib/Sema/SemaDeclCXX.cpp test/CodeGenCXX/decl-ref-init.cpp
Fariborz Jahanian
fjahanian at apple.com
Wed Sep 23 15:34:00 PDT 2009
Author: fjahanian
Date: Wed Sep 23 17:34:00 2009
New Revision: 82664
URL: http://llvm.org/viewvc/llvm-project?rev=82664&view=rev
Log:
patch to ir-gen conversion function call used in
initializing a reference class.
Added:
cfe/trunk/test/CodeGenCXX/decl-ref-init.cpp
Modified:
cfe/trunk/lib/Sema/SemaDeclCXX.cpp
Modified: cfe/trunk/lib/Sema/SemaDeclCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclCXX.cpp?rev=82664&r1=82663&r2=82664&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDeclCXX.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDeclCXX.cpp Wed Sep 23 17:34:00 2009
@@ -3527,10 +3527,15 @@
"Expected a direct reference binding!");
return false;
} else {
- // Perform the conversion.
- // FIXME: Binding to a subobject of the lvalue is going to require more
- // AST annotation than this.
- ImpCastExprToType(Init, T1, CastExpr::CK_Unknown, /*isLvalue=*/true);
+ OwningExprResult InitConversion =
+ BuildCXXCastArgument(Init->getLocStart(), QualType(),
+ CastExpr::CK_UserDefinedConversion,
+ cast<CXXMethodDecl>(Best->Function),
+ Owned(Init));
+ Init = InitConversion.takeAs<Expr>();
+
+ ImpCastExprToType(Init, T1, CastExpr::CK_UserDefinedConversion,
+ /*isLvalue=*/true);
}
break;
Added: cfe/trunk/test/CodeGenCXX/decl-ref-init.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/decl-ref-init.cpp?rev=82664&view=auto
==============================================================================
--- cfe/trunk/test/CodeGenCXX/decl-ref-init.cpp (added)
+++ cfe/trunk/test/CodeGenCXX/decl-ref-init.cpp Wed Sep 23 17:34:00 2009
@@ -0,0 +1,31 @@
+// RUN: clang-cc -triple x86_64-apple-darwin -S %s -o %t-64.s &&
+// RUN: FileCheck -check-prefix LP64 --input-file=%t-64.s %s &&
+// RUN: clang-cc -triple i386-apple-darwin -S %s -o %t-32.s &&
+// RUN: FileCheck -check-prefix LP32 --input-file=%t-32.s %s &&
+// RUN: true
+
+struct A {};
+
+struct B
+{
+ operator A&();
+};
+
+
+struct D : public B {
+ operator A();
+};
+
+extern B f();
+extern D d();
+
+int main() {
+ const A& rca = f();
+ const A& rca2 = d();
+}
+
+// CHECK-LP64: call __ZN1BcvR1AEv
+// CHECK-LP64: call __ZN1BcvR1AEv
+
+// CHECK-LP32: call L__ZN1BcvR1AEv
+// CHECK-LP32: call L__ZN1BcvR1AEv
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