C++/Darwin/x86: Teach IRgen it can pass reference types in registers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103761 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp
index bcd332ac95fe2076c67e3ad8d4bc8e61061db109..09baf2e83396512c5357aa86f6279a5fba512758 100644 (file)
--- a/lib/CodeGen/TargetInfo.cpp
+++ b/lib/CodeGen/TargetInfo.cpp
@@ -188,7 +188,7 @@ static const Type *isSingleElementStruct(QualType T, ASTContext &Context) {
 }
 
 static bool is32Or64BitBasicType(QualType Ty, ASTContext &Context) {
-  if (!Ty->getAs<BuiltinType>() && !Ty->isAnyPointerType() &&
+  if (!Ty->getAs<BuiltinType>() && !Ty->hasPointerRepresentation() &&
       !Ty->isAnyComplexType() && !Ty->isEnumeralType() &&
       !Ty->isBlockPointerType())
     return false;
@@ -388,7 +388,7 @@ bool X86_32ABIInfo::shouldReturnTypeInRegister(QualType Ty,
   }
 
   // If this is a builtin, pointer, enum, or complex type, it is ok.
-  if (Ty->getAs<BuiltinType>() || Ty->isAnyPointerType() || 
+  if (Ty->getAs<BuiltinType>() || Ty->hasPointerRepresentation() ||
       Ty->isAnyComplexType() || Ty->isEnumeralType() ||
       Ty->isBlockPointerType())
     return true;

diff --git a/test/CodeGenCXX/x86_32-arguments.cpp b/test/CodeGenCXX/x86_32-arguments.cpp
index 3af2746345d41648bbacd387f2b7c386a2171402..a92ba78b9f6d5156a9dc9090cd2a4bfecaa91e2a 100644 (file)
--- a/test/CodeGenCXX/x86_32-arguments.cpp
+++ b/test/CodeGenCXX/x86_32-arguments.cpp
@@ -83,3 +83,7 @@ struct s4_0 { float x; };
 struct s4_1 { float x; };
 struct s4_2 : s4_0, s4_1 { };
 s4_2 f4() { return s4_2(); }
+
+// CHECK: define i32 @_Z2f5v()
+struct s5 { s5(); int &x; };
+s5 f5() { return s5(); }