48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
// RUN: not %clang_cc1 -verify -triple x86_64-apple-darwin -emit-llvm -o - %s -std=c++1y | FileCheck %s
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struct A {
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constexpr A() : n(1) {}
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~A();
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int n;
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};
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struct B : A {
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A a[3];
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constexpr B() {
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++a[0].n;
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a[1].n += 2;
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a[2].n = n + a[1].n;
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}
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};
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B b;
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// CHECK: @b = global {{.*}} i32 1, {{.*}} { i32 2 }, {{.*}} { i32 3 }, {{.*}} { i32 4 }
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// CHECK-NOT: _ZN1BC
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namespace ModifyStaticTemporary {
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struct A { int &&temporary; int x; };
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constexpr int f(int &r) { r *= 9; return r - 12; }
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A a = { 6, f(a.temporary) };
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// CHECK: @_ZGRN21ModifyStaticTemporary1aE = private global i32 54
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// CHECK: @_ZN21ModifyStaticTemporary1aE = global {{.*}} i32* @_ZGRN21ModifyStaticTemporary1aE, i32 42
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A b = { 7, ++b.temporary };
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// CHECK: @_ZGRN21ModifyStaticTemporary1bE = private global i32 8
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// CHECK: @_ZN21ModifyStaticTemporary1bE = global {{.*}} i32* @_ZGRN21ModifyStaticTemporary1bE, i32 8
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// Can't emit all of 'c' as a constant here, so emit the initial value of
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// 'c.temporary', not the value as modified by the partial evaluation within
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// the initialization of 'c.x'.
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A c = { 10, (++c.temporary, b.x) };
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// CHECK: @_ZGRN21ModifyStaticTemporary1cE = private global i32 10
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// CHECK: @_ZN21ModifyStaticTemporary1cE = global {{.*}} zeroinitializer
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}
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// CHECK: __cxa_atexit({{.*}} @_ZN1BD1Ev {{.*}} @b
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// CHECK: define
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// CHECK-NOT: @_ZGRN21ModifyStaticTemporary1cE
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// CHECK: store {{.*}} @_ZGRN21ModifyStaticTemporary1cE, {{.*}} @_ZN21ModifyStaticTemporary1cE
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// CHECK: add
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// CHECK: store
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// CHECK: load {{.*}} @_ZN21ModifyStaticTemporary1bE
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// CHECK: store {{.*}} @_ZN21ModifyStaticTemporary1cE
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