e0ac46e69d
This reverts commit d618f1c3b1.
This commit wasn't reviewed ahead of time and significant concerns were
raised immediately after it landed. According to our developer policy
this warrants immediate revert of the commit.
https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy
Differential Revision: https://reviews.llvm.org/D155509
110 lines
2.2 KiB
C++
110 lines
2.2 KiB
C++
// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -std=c++11 | FileCheck %s
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struct A {
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A();
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A(const A&);
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A(A&);
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~A();
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};
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struct B {
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B();
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B(B&);
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};
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struct C {
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C() {}
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C(C& other, A a = A());
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int i, j;
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};
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struct POD {
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int array[3][4];
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};
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struct D : A, B, virtual C {
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D();
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int scalar;
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int scalar_array[2][3];
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B class_member;
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C class_member_array[2][3];
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POD pod_array[2][3];
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union {
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int x;
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float f[3];
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};
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};
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void f(D d) {
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D d2(d);
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}
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// CHECK-LABEL: define linkonce_odr void @_ZN1DC1ERS_(ptr {{[^,]*}} %this, ptr noundef nonnull align {{[0-9]+}} dereferenceable({{[0-9]+}}) %0) unnamed_addr
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// CHECK: call void @_ZN1AC1Ev
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// CHECK: call void @_ZN1CC2ERS_1A
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// CHECK: call void @_ZN1AD1Ev
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// CHECK: call void @_ZN1AC2ERS_
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// CHECK: call void @_ZN1BC2ERS_
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// CHECK: {{call void @llvm.memcpy.p0.p0.i64.*i64 28}}
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// CHECK: call void @_ZN1BC1ERS_
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// CHECK: br label
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// CHECK: call void @_ZN1AC1Ev
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// CHECK: call void @_ZN1CC1ERS_1A
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// CHECK: call void @_ZN1AD1Ev
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// CHECK: {{icmp eq.*, 3}}
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// CHECK: br i1
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// CHECK: {{icmp eq.*, 2}}
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// CHECK: br i1
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// CHECK: {{call void @llvm.memcpy.p0.p0.i64.*i64 300}}
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// CHECK: ret void
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template<class T> struct X0 { void f0(T * ) { } };
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template <class > struct X1 { X1( X1& , int = 0 ) { } };
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struct X2 { X1<int> result; };
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void test_X2()
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{
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typedef X2 impl;
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typedef X0<impl> pimpl;
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impl* i;
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pimpl pdata;
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pdata.f0( new impl(*i));
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}
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// rdar://problem/9598341
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namespace test3 {
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struct A { A(const A&); A&operator=(const A&); };
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struct B { A a; unsigned : 0; };
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void test(const B &x) {
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B y = x;
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y = x;
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}
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}
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namespace test4 {
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// When determining whether to implement an array copy as a memcpy, look at
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// whether the *selected* constructor is trivial.
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struct S {
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int arr[5][5];
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S(S &);
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S(const S &) = default;
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};
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// CHECK: @_ZN5test42f1
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void f1(S a) {
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// CHECK-NOT: memcpy
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// CHECK: call void @_ZN5test41SC1ERS0_
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// CHECK-NOT: memcpy
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S b(a);
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// CHECK: }
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}
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// CHECK: @_ZN5test42f2
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void f2(const S a) {
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// CHECK-NOT: call void @_ZN5test41SC1ERS0_
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// CHECK: memcpy
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// CHECK-NOT: call void @_ZN5test41SC1ERS0_
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S b(a);
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// CHECK: }
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}
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}
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