46 lines · cpp
1// RUN: %clang_cc1 -std=c++11 -emit-llvm -o - -triple x86_64-linux-gnu %s | FileCheck %s --check-prefixes=CHECK,CHECK-CXX112// RUN: %clang_cc1 -std=c++2a -emit-llvm -o - -triple x86_64-linux-gnu %s | FileCheck %s --check-prefixes=CHECK,CHECK-CXX2A3 4// CHECK-DAG: @__const._Z1fi.a = private unnamed_addr constant {{.*}} { i32 1, [2 x i32] [i32 2, i32 3], [3 x i32] [i32 4, i32 5, i32 6] }5// CHECK-CXX11-DAG: @_ZN7PR422765State1mE.const = private unnamed_addr constant [2 x { i64, i64 }] [{ {{.*}} @_ZN7PR422765State2f1Ev {{.*}}, i64 0 }, { {{.*}} @_ZN7PR422765State2f2Ev {{.*}}, i64 0 }]6// CHECK-CXX2A-DAG: @_ZN7PR422765State1mE = linkonce_odr constant [2 x { i64, i64 }] [{ {{.*}} @_ZN7PR422765State2f1Ev {{.*}}, i64 0 }, { {{.*}} @_ZN7PR422765State2f2Ev {{.*}}, i64 0 }], comdat7 8struct A { int x, y[2]; int arr[3]; };9// CHECK-LABEL: define{{.*}} i32 @_Z1fi(10int f(int i) {11 // CHECK: call void {{.*}}memcpy{{.*}}({{.*}}, {{.*}} @__const._Z1fi.a12 constexpr A a = {1, 2, 3, 4, 5, 6};13 14 // CHECK-LABEL: define {{.*}}@"_ZZ1fiENK3$_0clEiM1Ai"(15 return [] (int n, int A::*p) {16 // CHECK: br i117 return (n >= 018 // CHECK: getelementptr inbounds [3 x i32], ptr getelementptr inbounds nuw ({{.*}} @__const._Z1fi.a, i32 0, i32 2), i64 0, i64 %19 ? a.arr[n]20 // CHECK: br i121 : (n == -122 // CHECK: getelementptr inbounds i8, ptr @__const._Z1fi.a, i64 %23 // CHECK: load i3224 ? a.*p25 // CHECK: getelementptr inbounds [2 x i32], ptr getelementptr inbounds nuw ({{.*}} @__const._Z1fi.a, i32 0, i32 1), i64 0, i64 %26 // CHECK: load i3227 : a.y[2 - n]));28 }(i, &A::x);29}30 31namespace PR42276 {32 class State {33 void syncDirtyObjects();34 void f1(), f2();35 using l = void (State::*)();36 static constexpr l m[]{&State::f1, &State::f2};37 };38 // CHECK-LABEL: define{{.*}} void @_ZN7PR422765State16syncDirtyObjectsEv(39 void State::syncDirtyObjects() {40 for (int i = 0; i < sizeof(m) / sizeof(m[0]); ++i)41 // CHECK-CXX11: getelementptr inbounds [2 x { i64, i64 }], ptr @_ZN7PR422765State1mE.const, i64 0, i64 %42 // CHECK-CXX2A: getelementptr inbounds [2 x { i64, i64 }], ptr @_ZN7PR422765State1mE, i64 0, i64 %43 (this->*m[i])();44 }45}46