88 lines
4.1 KiB
C++
88 lines
4.1 KiB
C++
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// RUN: %clang_cc1 -verify -triple x86_64-apple-darwin -emit-llvm -o - %s -std=c++1y | FileCheck %s
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// expected-no-diagnostics
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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_ = internal 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_ = internal 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_ = internal global i32 10
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// CHECK: @_ZN21ModifyStaticTemporary1cE ={{.*}} global {{.*}} zeroinitializer
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}
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// CHECK: @_ZGRN28VariableTemplateWithConstRef1iIvEE_ = linkonce_odr constant i32 5, align 4
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// CHECK: @_ZN28VariableTemplateWithConstRef3useE ={{.*}} constant i32* @_ZGRN28VariableTemplateWithConstRef1iIvEE_
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namespace VariableTemplateWithConstRef {
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template <typename T>
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const int &i = 5;
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const int &use = i<void>;
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}
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// CHECK: @_ZGRN34HiddenVariableTemplateWithConstRef1iIvEE_ = linkonce_odr hidden constant i32 5, align 4
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// CHECK: @_ZN34HiddenVariableTemplateWithConstRef3useE ={{.*}} constant i32* @_ZGRN34HiddenVariableTemplateWithConstRef1iIvEE_
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namespace HiddenVariableTemplateWithConstRef {
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template <typename T>
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__attribute__((visibility("hidden"))) const int &i = 5;
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const int &use = i<void>;
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}
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// CHECK: @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE1_ = linkonce_odr constant i32 1
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// CHECK: @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE0_ = linkonce_odr global {{.*}} { i32* @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE1_ }
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// CHECK: @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE3_ = linkonce_odr constant i32 2
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// CHECK: @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE2_ = linkonce_odr global {{.*}} { i32* @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE3_ }
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// CHECK: @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE5_ = linkonce_odr constant i32 3
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// CHECK: @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE4_ = linkonce_odr global {{.*}} { i32* @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE5_ }
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// CHECK: @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE7_ = linkonce_odr constant i32 4
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// CHECK: @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE6_ = linkonce_odr global {{.*}} { i32* @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE7_ }
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// CHECK: @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE_ = linkonce_odr global %"struct.VariableTemplateWithPack::S" { {{.*}}* @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE0_, {{.*}}* @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE2_, {{.*}}* @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE4_, {{.*}}* @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE6_ }
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// CHECK: @_ZN24VariableTemplateWithPack1pE ={{.*}} global {{.*}} @_ZGRN24VariableTemplateWithPack1sIJLi1ELi2ELi3ELi4EEEE_
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namespace VariableTemplateWithPack {
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struct A {
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const int &r;
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};
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struct S {
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A &&a, &&b, &&c, &&d;
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};
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template <int... N>
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S &&s = {A{N}...};
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S *p = &s<1, 2, 3, 4>;
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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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