55 lines
1.0 KiB
C++
55 lines
1.0 KiB
C++
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// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -o - -std=c++11 |FileCheck %s
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class x {
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public: int operator=(int);
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};
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void a() {
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x a;
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a = 1u;
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}
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void f(int i, int j) {
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// CHECK: load i32
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// CHECK: load i32
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// CHECK: add nsw i32
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// CHECK: store i32
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// CHECK: store i32 17, i32
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// CHECK: ret
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(i += j) = 17;
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}
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// Taken from g++.old-deja/g++.jason/net.C
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namespace test1 {
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template <class T> void fn (T t) { }
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template <class T> struct A {
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void (*p)(T);
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A() { p = fn; }
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};
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A<int> a;
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}
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// Ensure that we use memcpy when we would have selected a trivial assignment
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// operator, even for a non-trivially-copyable type.
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struct A {
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A &operator=(const A&);
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};
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struct B {
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B(const B&);
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B &operator=(const B&) = default;
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int n;
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};
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struct C {
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A a;
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B b[16];
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};
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void b(C &a, C &b) {
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// CHECK: define {{.*}} @_ZN1CaSERKS_(
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// CHECK: call {{.*}} @_ZN1AaSERKS_(
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// CHECK-NOT: call {{.*}} @_ZN1BaSERKS_(
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// CHECK: call {{.*}} @{{.*}}memcpy
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// CHECK-NOT: call {{.*}} @_ZN1BaSERKS_(
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// CHECK: }
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a = b;
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}
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