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-rw-r--r--clang/test/CodeGenCXX/stmtexpr.cpp75
1 files changed, 75 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/stmtexpr.cpp b/clang/test/CodeGenCXX/stmtexpr.cpp
new file mode 100644
index 0000000..1f0e4ac
--- /dev/null
+++ b/clang/test/CodeGenCXX/stmtexpr.cpp
@@ -0,0 +1,75 @@
+// RUN: %clang_cc1 -Wno-unused-value -emit-llvm -o - %s | FileCheck %s
+// rdar: //8540501
+extern "C" int printf(...);
+extern "C" void abort();
+
+struct A
+{
+ int i;
+ A (int j) : i(j) {printf("this = %p A(%d)\n", this, j);}
+ A (const A &j) : i(j.i) {printf("this = %p const A&(%d)\n", this, i);}
+ A& operator= (const A &j) { i = j.i; abort(); return *this; }
+ ~A() { printf("this = %p ~A(%d)\n", this, i); }
+};
+
+struct B
+{
+ int i;
+ B (const A& a) { i = a.i; }
+ B() {printf("this = %p B()\n", this);}
+ B (const B &j) : i(j.i) {printf("this = %p const B&(%d)\n", this, i);}
+ ~B() { printf("this = %p ~B(%d)\n", this, i); }
+};
+
+A foo(int j)
+{
+ return ({ j ? A(1) : A(0); });
+}
+
+
+void foo2()
+{
+ A b = ({ A a(1); A a1(2); A a2(3); a1; a2; a; });
+ if (b.i != 1)
+ abort();
+ A c = ({ A a(1); A a1(2); A a2(3); a1; a2; a; A a3(4); a2; a3; });
+ if (c.i != 4)
+ abort();
+}
+
+void foo3()
+{
+ const A &b = ({ A a(1); a; });
+ if (b.i != 1)
+ abort();
+}
+
+void foo4()
+{
+// CHECK: call {{.*}} @_ZN1AC1Ei
+// CHECK: call {{.*}} @_ZN1AC1ERKS_
+// CHECK: call {{.*}} @_ZN1AD1Ev
+// CHECK: call {{.*}} @_ZN1BC1ERK1A
+// CHECK: call {{.*}} @_ZN1AD1Ev
+ const B &b = ({ A a(1); a; });
+ if (b.i != 1)
+ abort();
+}
+
+int main()
+{
+ foo2();
+ foo3();
+ foo4();
+ return foo(1).i-1;
+}
+
+// rdar: // 8600553
+int a[128];
+int* foo5() {
+// CHECK-NOT: memcpy
+ // Check that array-to-pointer conversion occurs in a
+ // statement-expression.
+ return (({ a; }));
+}
+