Do not return records with non trivial destructors or copy constructors in

registers.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150035 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/TargetInfo.cpp b/lib/CodeGen/TargetInfo.cpp
index 7c3a23d046fab150cf3fc32e14322499081c7253..97b49a0c6b4ead4e158f288b734d3343845ad897 100644 (file)
--- a/lib/CodeGen/TargetInfo.cpp
+++ b/lib/CodeGen/TargetInfo.cpp
@@ -3215,7 +3215,7 @@ ABIArgInfo MipsABIInfo::classifyReturnType(QualType RetTy) const {
       if (RetTy->isAnyComplexType())
         return ABIArgInfo::getDirect();
 
-      if (!IsO32)
+      if (!IsO32 && !isRecordWithNonTrivialDestructorOrCopyConstructor(RetTy))
         return ABIArgInfo::getDirect(returnAggregateInRegs(RetTy, Size));
     }
 

diff --git a/test/CodeGen/mips64-nontrivial-return.cpp b/test/CodeGen/mips64-nontrivial-return.cpp
new file mode 100644 (file)
index 0000000..8aff9ab
--- /dev/null
+++ b/test/CodeGen/mips64-nontrivial-return.cpp
@@ -0,0 +1,17 @@
+// RUN: %clang -target mips64el-unknown-linux -ccc-clang-archs mips64el -O3 -S -mabi=n64 -o - -emit-llvm %s | FileCheck %s
+
+class B {
+public:
+  virtual ~B() {}
+};
+
+class D : public B {
+};
+
+extern D gd0;
+
+// CHECK: _Z4foo1v(%class.D* noalias nocapture sret
+
+D foo1(void) {
+  return gd0;
+}