}
/// Return true if assignments have a non-void result.
- bool CanCaptureValueOfType(QualType ty) {
+ bool CanCaptureValue(Expr *exp) {
+ if (exp->isGLValue())
+ return true;
+ QualType ty = exp->getType();
assert(!ty->isIncompleteType());
assert(!ty->isDependentType());
// That's the postfix result.
if (UnaryOperator::isPostfix(opcode) &&
- (result.get()->isTypeDependent() || CanCaptureValueOfType(resultType))) {
+ (result.get()->isTypeDependent() || CanCaptureValue(result.get()))) {
result = capture(result.take());
setResultToLastSemantic();
}
ObjCMessageExpr *msgExpr =
cast<ObjCMessageExpr>(msg.get()->IgnoreImplicit());
Expr *arg = msgExpr->getArg(0);
- if (CanCaptureValueOfType(arg->getType()))
+ if (CanCaptureValue(arg))
msgExpr->setArg(0, captureValueAsResult(arg));
}
ObjCMessageExpr *msgExpr =
cast<ObjCMessageExpr>(msg.get()->IgnoreImplicit());
Expr *arg = msgExpr->getArg(0);
- if (CanCaptureValueOfType(arg->getType()))
+ if (CanCaptureValue(arg))
msgExpr->setArg(0, captureValueAsResult(arg));
}
--- /dev/null
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s | FileCheck %s
+// rdar://15118128
+
+template <typename T> struct Quad2 {
+ Quad2() {}
+};
+
+typedef Quad2<double> Quad2d;
+
+@interface Root @end
+
+@interface PAGeometryFrame
+- (const Quad2d &)quad;
+- (void)setQuad:(const Quad2d &)quad;
+@end
+
+@interface PA2DScaleTransform : Root
+@end
+
+@implementation PA2DScaleTransform
+- (void)transformFrame:(PAGeometryFrame *)frame {
+ PAGeometryFrame *result;
+ result.quad = frame.quad;
+}
+@end
+
+// CHECK: [[TWO:%.*]] = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_", !invariant.load !5
+// CHECK: [[THREE:%.*]] = bitcast [[ONET:%.*]]* [[ONE:%.*]] to i8*
+// CHECK: [[CALL:%.*]] = call %struct.Quad2* bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to %struct.Quad2* (i8*, i8*)*)(i8* [[THREE]], i8* [[TWO]])
+// CHECK: [[FOUR:%.*]] = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_2", !invariant.load !5
+// CHECK: [[FIVE:%.*]] = bitcast [[ONET]]* [[ZERO:%.*]] to i8*
+// CHECK: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, %struct.Quad2*)*)(i8* [[FIVE]], i8* [[FOUR]], %struct.Quad2* [[CALL]])
+
+
+struct A {
+ void *ptr;
+ A();
+ A(const A &);
+ ~A();
+};
+
+@interface C
+- (void) setProp: (const A&) value;
+@end
+void test(C *c, const A &a) {
+ const A &result = c.prop = a;
+}
+
+// CHECK: [[ONE1:%.*]] = load %struct.A** [[AADDR:%.*]], align 8
+// CHECK: [[TWO1:%.*]] = load i8** @"\01L_OBJC_SELECTOR_REFERENCES_5", !invariant.load !5
+// CHECK: [[THREE1:%.*]] = bitcast [[TWOT:%.*]]* [[ZERO1:%.*]] to i8*
+// CHECK: call void bitcast (i8* (i8*, i8*, ...)* @objc_msgSend to void (i8*, i8*, %struct.A*)*)(i8* [[THREE1]], i8* [[TWO1]], %struct.A* [[ONE1]])
+// CHECK: store %struct.A* [[ONE1]], %struct.A** [[RESULT:%.*]], align 8