forked from OSchip/llvm-project
54 lines
2.1 KiB
C++
54 lines
2.1 KiB
C++
// RUN: %clang_cc1 -std=c++11 -S -emit-llvm -o - %s -triple x86_64-linux-gnu | FileCheck %s
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struct A { int a, b; int f(); };
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namespace NonAggregateCopyInAggregateInit { // PR32044
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struct A { constexpr A(int n) : x(n), y() {} int x, y; } extern a;
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// CHECK-DAG: @_ZN31NonAggregateCopyInAggregateInit1bE = global %{{.*}} { %[[A:.*]]* @_ZN31NonAggregateCopyInAggregateInit1aE }
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struct B { A &p; } b{{a}};
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// CHECK-DAG: @_ZGRN31NonAggregateCopyInAggregateInit1cE_ = internal global %[[A]] { i32 1, i32 0 }
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// CHECK-DAG: @_ZN31NonAggregateCopyInAggregateInit1cE = global %{{.*}} { %{{.*}}* @_ZGRN31NonAggregateCopyInAggregateInit1cE_ }
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struct C { A &&p; } c{{1}};
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}
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// CHECK-LABEL: define {{.*}}@_Z3fn1i(
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int fn1(int x) {
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// CHECK: %[[INITLIST:.*]] = alloca %struct.A
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// CHECK: %[[A:.*]] = getelementptr inbounds %struct.A, %struct.A* %[[INITLIST]], i32 0, i32 0
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// CHECK: store i32 %{{.*}}, i32* %[[A]], align 4
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// CHECK: %[[B:.*]] = getelementptr inbounds %struct.A, %struct.A* %[[INITLIST]], i32 0, i32 1
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// CHECK: store i32 5, i32* %[[B]], align 4
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// CHECK: call i32 @_ZN1A1fEv(%struct.A* %[[INITLIST]])
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return A{x, 5}.f();
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}
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struct B { int &r; int &f() { return r; } };
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// CHECK-LABEL: define {{.*}}@_Z3fn2Ri(
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int &fn2(int &v) {
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// CHECK: %[[INITLIST2:.*]] = alloca %struct.B, align 8
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// CHECK: %[[R:.*]] = getelementptr inbounds %struct.B, %struct.B* %[[INITLIST2:.*]], i32 0, i32 0
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// CHECK: store i32* %{{.*}}, i32** %[[R]], align 8
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// CHECK: call dereferenceable({{[0-9]+}}) i32* @_ZN1B1fEv(%struct.B* %[[INITLIST2:.*]])
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return B{v}.f();
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}
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// CHECK-LABEL: define {{.*}}@__cxx_global_var_init(
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//
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// CHECK: call {{.*}}@_ZN14NonTrivialInit1AC1Ev(
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// CHECK: getelementptr inbounds {{.*}}, i64 1
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// CHECK: br i1
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//
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// CHECK: getelementptr inbounds {{.*}}, i64 1
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// CHECK: icmp eq {{.*}}, i64 30
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// CHECK: br i1
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//
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// CHECK: call i32 @__cxa_atexit(
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namespace NonTrivialInit {
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struct A { A(); A(const A&) = delete; ~A(); };
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struct B { A a[20]; };
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// NB, this must be large enough to be worth memsetting for this test to be
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// meaningful.
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B b[30] = {};
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}
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