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authorRichard Smith <richard-llvm@metafoo.co.uk>2012-11-13 00:54:12 +0000
committerRichard Smith <richard-llvm@metafoo.co.uk>2012-11-13 00:54:12 +0000
commit52c0b58d33385417567a404149570fd2b6895c91 (patch)
treeda657dd4afd3bd24cdce33618b73f79ded26ccda /clang/test/CodeGenCXX/temporaries.cpp
parentedac22a9f3b1355c01ae4fb66958e93db2387ffb (diff)
downloadbcm5719-llvm-52c0b58d33385417567a404149570fd2b6895c91.tar.gz
bcm5719-llvm-52c0b58d33385417567a404149570fd2b6895c91.zip
Fix some wrong-code bugs in implicitly-defined assignment operators:
- In C++11, perform overload resolution over all assignment operators, rather than just looking for copy/move assignment operators. - Clean up after temporaries produced by operator= immediately, rather than accumulating them until the end of the function. llvm-svn: 167798
Diffstat (limited to 'clang/test/CodeGenCXX/temporaries.cpp')
-rw-r--r--clang/test/CodeGenCXX/temporaries.cpp21
1 files changed, 21 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/temporaries.cpp b/clang/test/CodeGenCXX/temporaries.cpp
index e90c94796fa..a369c2e3697 100644
--- a/clang/test/CodeGenCXX/temporaries.cpp
+++ b/clang/test/CodeGenCXX/temporaries.cpp
@@ -537,3 +537,24 @@ namespace PR11365 {
(void) (A [3]) {};
}
}
+
+namespace AssignmentOp {
+ struct A { ~A(); };
+ struct B { A operator=(const B&); };
+ struct C : B { B b1, b2; };
+ // CHECK: define void @_ZN12AssignmentOp1fE
+ void f(C &c1, const C &c2) {
+ // CHECK: call {{.*}} @_ZN12AssignmentOp1CaSERKS0_(
+ c1 = c2;
+ }
+
+ // Ensure that each 'A' temporary is destroyed before the next subobject is
+ // copied.
+ // CHECK: define {{.*}} @_ZN12AssignmentOp1CaSERKS0_(
+ // CHECK: call {{.*}} @_ZN12AssignmentOp1BaSERKS
+ // CHECK: call {{.*}} @_ZN12AssignmentOp1AD1Ev(
+ // CHECK: call {{.*}} @_ZN12AssignmentOp1BaSERKS
+ // CHECK: call {{.*}} @_ZN12AssignmentOp1AD1Ev(
+ // CHECK: call {{.*}} @_ZN12AssignmentOp1BaSERKS
+ // CHECK: call {{.*}} @_ZN12AssignmentOp1AD1Ev(
+}
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