| // RUN: %clang_cc1 -std=c++11 -triple armv7-none-eabi -emit-llvm -o - %s | FileCheck %s |
| |
| struct X { |
| X(); |
| X(const X&); |
| X(const char*); |
| ~X(); |
| }; |
| |
| struct Y { |
| int i; |
| X x; |
| }; |
| |
| // CHECK: @.compoundliteral = internal global [5 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5], align 4 |
| // CHECK: @q = global i32* getelementptr inbounds ([5 x i32], [5 x i32]* @.compoundliteral, i32 0, i32 0), align 4 |
| |
| // CHECK-LABEL: define i32 @_Z1fv() |
| int f() { |
| // CHECK: [[LVALUE:%[a-z0-9.]+]] = alloca |
| // CHECK-NEXT: [[I:%[a-z0-9]+]] = getelementptr inbounds {{.*}}, {{.*}}* [[LVALUE]], i32 0, i32 0 |
| // CHECK-NEXT: store i32 17, i32* [[I]] |
| // CHECK-NEXT: [[X:%[a-z0-9]+]] = getelementptr inbounds {{.*}} [[LVALUE]], i32 0, i32 1 |
| // CHECK-NEXT: call %struct.X* @_ZN1XC1EPKc({{.*}}[[X]] |
| // CHECK-NEXT: [[I:%[a-z0-9]+]] = getelementptr inbounds {{.*}} [[LVALUE]], i32 0, i32 0 |
| // CHECK-NEXT: [[RESULT:%[a-z0-9]+]] = load i32, i32* |
| // CHECK-NEXT: call %struct.Y* @_ZN1YD1Ev |
| // CHECK-NEXT: ret i32 [[RESULT]] |
| return ((Y){17, "seventeen"}).i; |
| } |
| |
| // CHECK-LABEL: define i32 @_Z1gv() |
| int g() { |
| // CHECK: store [2 x i32]* %{{[a-z0-9.]+}}, [2 x i32]** [[V:%[a-z0-9.]+]] |
| const int (&v)[2] = (int [2]) {1,2}; |
| |
| // CHECK: [[A:%[a-z0-9.]+]] = load [2 x i32]*, [2 x i32]** [[V]] |
| // CHECK-NEXT: [[A0ADDR:%[a-z0-9.]+]] = getelementptr inbounds [2 x i32], [2 x i32]* [[A]], i32 0, {{.*}} 0 |
| // CHECK-NEXT: [[A0:%[a-z0-9.]+]] = load i32, i32* [[A0ADDR]] |
| // CHECK-NEXT: ret i32 [[A0]] |
| return v[0]; |
| } |
| |
| // GCC's compound-literals-in-C++ extension lifetime-extends a compound literal |
| // (or a C++11 list-initialized temporary!) if: |
| // - it is at global scope |
| // - it has array type |
| // - it has a constant initializer |
| |
| struct Z { int i[3]; }; |
| int *p = (Z){ {1, 2, 3} }.i; |
| // CHECK: define {{.*}}__cxx_global_var_init() |
| // CHECK: alloca %struct.Z |
| // CHECK: store i32* %{{.*}}, i32** @p |
| |
| int *q = (int [5]){1, 2, 3, 4, 5}; |
| // (constant initialization, checked above) |
| |
| extern int n; |
| int *r = (int [5]){1, 2, 3, 4, 5} + n; |
| // CHECK-LABEL: define {{.*}}__cxx_global_var_init.1() |
| // CHECK: %[[PTR:.*]] = getelementptr inbounds i32, i32* getelementptr inbounds ([5 x i32], [5 x i32]* @.compoundliteral.2, i32 0, i32 0), i32 % |
| // CHECK: store i32* %[[PTR]], i32** @r |
| |
| int *PR21912_1 = (int []){} + n; |
| // CHECK-LABEL: define {{.*}}__cxx_global_var_init.3() |
| // CHECK: %[[PTR:.*]] = getelementptr inbounds i32, i32* getelementptr inbounds ([0 x i32], [0 x i32]* @.compoundliteral.4, i32 0, i32 0), i32 % |
| // CHECK: store i32* %[[PTR]], i32** @PR21912_1 |
| |
| union PR21912Ty { |
| long long l; |
| double d; |
| }; |
| union PR21912Ty *PR21912_2 = (union PR21912Ty[]){{.d = 2.0}, {.l = 3}} + n; |
| // CHECK-LABEL: define {{.*}}__cxx_global_var_init.5() |
| // CHECK: %[[PTR:.*]] = getelementptr inbounds %union.PR21912Ty, %union.PR21912Ty* getelementptr inbounds ([2 x %union.PR21912Ty], [2 x %union.PR21912Ty]* bitcast (<{ { double }, %union.PR21912Ty }>* @.compoundliteral.6 to [2 x %union.PR21912Ty]*), i32 0, i32 0), i32 % |
| // CHECK: store %union.PR21912Ty* %[[PTR]], %union.PR21912Ty** @PR21912_2, align 4 |
| |
| // This compound literal should have local scope. |
| int computed_with_lambda = [] { |
| int *array = (int[]) { 1, 3, 5, 7 }; |
| return array[0]; |
| }(); |
| // CHECK-LABEL: define internal i32 @{{.*}}clEv |
| // CHECK: alloca [4 x i32] |
